Join host Larry Meiller as he discusses gardening topics with his guests. This program is heard every Friday at 11 a.m. and rebroadcast on Saturday at 6 a.m. on WPR's Ideas Network stations.
We talk about why black currants are making a comeback in our gardens with Lily Hislop of the Savanna Institute. Then Lisa Johnson explains why your tomatoes may not be […]
Melinda Myers is back with suggestions for new perennials that aren’t so new that you can’t find them anywhere. And then, they may not be new, but don’t forget about the benefits of irises in your garden.
There are lots of options if you want to bring fruit into your landscape. We talk with UW fruit experts Amaya Atucha and Christelle Guedot about what to know before you grow. In the second hour of the show Bruce Spangenberg is back to tell us why a wilting plant may not need more water.
Tea as medicine has been around for thousands of years - well talk with a Wisconsin farmer about growing herbs for tea. We also look at the latest research on roses and catch up on summer tree issues.
Dr. Death, Brian Hudelson is back to tell us what plant diseases are lurking in our garden. Then at the top of the hour we’ll look at the best way to grow a fence. Finally we’ll look at a new trend, are you ready to lose control?
Now is the time of year to really enjoy your yard. We share some updates on the latest in patio design with the owner of Hawks Landscape in Wauwatosa. And then we talk with Woody Kerwin about how and where to use lighting.
Gardening expert Patti Nagai is back and gets a bit philosophical about gardening. She also talks about keeping your garden looking good into summer. Then Susan Carpenter talks about what's happening in the UW Arboretum Native Gardens.
Nationally known gardening expert Melinda Myers joins us to talk about how to tweak your garden to make it more pollinator friendly. Then in the last thirty Tovah Martin joins us to talk about how to transition indoor plants outdoors.
Horticulture educator Vijai Pandian is back to talk about what we can do to get through those phases. And in the second hour of the show, long-time guests Irwin Goldman and Jim Nienhuis are getting together for one more time.
With everything costing more, we have less money left over for our garden. Lis Friemoth is back with tips for doing more with less. We also talk with Gardener Scott about growing in raised beds.
Gardening expert Patti Nagai is back to talk about her favorite new vegetable crop - garlic. Then we look at ways to extend the growing season with Shawn Kuhn, the co-founder of Vitruvian Farms.
Pollinators, especially monarch butterflies, still need food. We talk with UW Extension Outreach Specialist Bruce Spangenberg about what plants provide for these insects. And then we check in with plant disease expert Brian Hudelson to see what diseases were the most prevalent this season.
They may flower in the spring but now is the time to dig up your peony plants. We talk to UW Extension Horticulture Outreach Specialist Lisa Johnson about how to make sure your peonies look great next spring. We also talk about chrysanthemums.
Turf expert Doug Soldat is back with his annual fall lawn tutorial. We talk with him about how our humid summer affected our lawns and what to do to get ready for spring. In the last half hour we get an update about how wood is harvested in municipalities and how it is repurposed.
We talk with DNR Forest Health Specialist Paul Cigan about what’s been going on in the state forests this year. We also look at how to add color to your spring lawn.
Some seeds do better when planted in the fall. Prairie expert Neil Diboll is back to share his advice for what to plant now. Then we talk to an extension weed specialist about stiltgrass.
If you want to be a better cook, look to your garden. We talk to Kevin West, the author of a new gardening cookbook about how to grow better tasting vegetables. Then Diana Alfuth is back to answer your questions on what to plant now and how to extend your growing season.
We talk with the UW Extension’s fruit experts about getting your best harvest. We also look into one of the last visible links to Wisconsin’s beet sugar industry.
Record setting rain has left many gardens under water. We talk with UW Extension horticulturist Vijai Pandian about how to save your plants. We also get an update from the Arboretum’s Native Plant Garden Curator Susan Carpenter.
Expert gardener Lis Friemoth is back with a list of great fall plants (click here for her list). And then we talk about plants that shouldn’t be together and how […]
UW Extension educator Lisa Johnson is back to talk about how our winter and spring weather has affected our gardens. Then we talk to folks from Breezy Hill Nursery about […]
Gardening expert Patti Nagai is back to talk about how to decide what and when to plant - even in the winter. Then we look at ways to wisely use water in your garden.
We are once again celebrating northern Wisconsin with our annual live broadcast from Bayfield.
Guest Mark Dwyer will suggest plants with fragrance and talk about how to attract pollinators. And then we talk to the author of The Pocket Rhubarb Cookbook.
Gardening expert Melinda Myers joins us to talk about the best plants for attracting hummingbirds. We also talk vegetables with Irwin Goldman.
We talk to the author of the new book “The Future of Gardens.” Then we check in with Susan Carpenter, Native Plant Garden Curator at the University of Wisconsin–Madison Arboretum. […]
Old gardening techniques, like making compost with worms, can still be relevant today. We talk to the Founder and Director of the Low Technology Center about bringing methods from the past into the future. Topics include vermicompost, growing flax and permaculture.
We talk to Wisconsin forager Sam Thayer about food you don’t have to grow. And then in the second hour PJ Liesch is in to talk about garden insects.
We talk with turf expert Doug Soldat about the latest in lawn care. We also look at a new book on edible and medicinal herbs.
Lots to do in the garden in the spring! UW Extension Outreach Specialist Bruce Spangenberg is back to help you with your questions. In the last half hour of the show we take a look at Wisconsin’s Pawpaw Project.
The American Horticultural Society has a new perennial guide out and we look at selecting plants, using them in your landscape and how to get more blooms. In the second hour we talk about some of the newest houseplant offerings and answer questions about the care of indoor plants.
Larry Meiller takes "Garden Talk" on the road to the Alliant Energy Center in Madison for a live show from the 2025 Garden & Green Living Expo. Larry is first joined by PBS Wisconsin Expo Manager Amanda Balistreri to talk about this year's show. Then "Garden Talk" favorites Lisa Johnson and Brian Hudelson join in to talk about a wide variety of gardening topics.
We have a wide variety of topics on this episode of Garden Talk. First we take a look at the 2025 Green Thumb award winning plants, then we talk to the father of straw bale gardening, Joel Karsten, and finally a close up look at growing ferns.
Our first guest talks about the seasonal Orchid Escape display at Olbrich Gardens. And then our second guest gives us a sneak peak of the upcoming Orchid Quest show and helps answer your orchid questions.
We take a look at design elements and plants that add winter interest. Then we’ll check in with DNR Forest Health Specialist Paul Cigan and end the show with a lesson on growing plants indoors.
In the doldrums of winter we talk to the author of a new book that explores how mystery writers have used gardening in their books. And then we talk with an expert about growing succulents.
First Brian Hudelson, talks about his fanciful book of limericks based on common and uncommon plant diseases. Then we talk with Clint Freund about his seed business. And finally we learn how to grow lavender in Wisconsin with Kathy and Randy Meyer of Potter Creek Lavender.
We talk with two Wisconsin entrepreneurs about improving your soil with the use of pellets made from locally sourced wool. Then we talk with an expert on heirloom apple varieties.
Short days and long nights call for cheery plants and hot cups of tea. Tovah Martin is back to talk about caring for holiday plants and we talk to tea expert Christine Parks about growing your own tea plant.
We talk with gardening expert Lis Friemoth about her Twelve Days of Gifting list. It includes things to make gardening easier and things to make you feel as pampered as your garden.
Gardening expert Diana Alfuth is back to talk about why it’s important to fertilize your soil in a balanced way. Then Laura Jull tells us how to select a tree.
We’ll talk about late fall garden tasks with Laura Jull. Then Melinda Myers will give us tips on planting bulbs in pots.
As our growing season is ending we get into the weeds with two authors. First we’ll talk about using the power of science to produce healthier fruit and veggies. And […]
Herb expert, Erin Presley is back to talk about growing herbs and update us on what’s happening at the Olbrich Botanical Gardens. Then we talk with Steve Stoeveken, owner of […]
UW Extension Educator Kevin Schoessow is back to talk about the Spooner Agriculture Research Station. And the food they have donated to local organizations. We also talk about the work […]
Gardening expert Melinda Myers joins us to talk about transitioning the garden from fall to winter. Topics include bringing in house plants, mulching, and caring for tropical bulbs.
We talk with two Wisconsin entrepreneurs about improving your soil with the use of pellets made from locally sourced wool. Then we talk with an expert on heirloom apple varieties.
Turf expert Doug Soldat is back with his annual fall lawn tutorial. We talk with him about the latest in lawn care research. In the last half hour Native Plant […]
Gardens using native plants benefit from planting or seeding at the right time of the year. Internationally recognized native plant expert Neil Diboll is back to tell you what to […]
Gardening expert Patti Nagai is back to explain why she believes fall is the best time to garden. And then DNR Forest Health Specialist Paul Cigan joins us to talk […]
In the heat of August we take some time to talk about shade. First Mark Dwyer offers advice on how to create a successful shade garden. And then at 12:30 […]
Our bird population is in decline. In the first hour of the show we talk about one way to help our fine feathered friends – creating a landscape where they […]
We talk with Vijai Pandian about his latest research on growing blueberries. And then we get tips from Chris Hendrickson about how to keep containers looking good all season long.
As we pass the midpoint of our growing season we take a look at what we need to do to keep our gardens looking good with UW Extension education Bruce […]
We talk with Diana Alfuth about disposing of diseased plants. And then at 12:30 we look at how to design and care for a rock garden.
Lindsay Hendricks from the Green Bay Botanical Garden is back to give you tips on how to pamper your annuals this summer. Then, we get a tour of a small […]
On this episode of “Garden Talk,” Cali Kim tells us how to start a raised bed garden. Then, Meg McAndrews Cowden clues you in to the art of succession gardening.
Now is the time to be on the lookout for insects and diseases in your garden. Gardening gurus Lisa Johnson and Brian Hudelson are back to answer your questions. And […]
It’s pollinator week and to celebrate we talk about gardening for butterflies, bees and other pollinators with two guests from Johnson’s Nursery. And then at 12:30 we learn about the […]
Gardeners are always looking for ways to get more from their garden – whether more yield, a longer season, or adding native plants to attract more pollinators. We talk about […]
Are your plants getting too big for their beds? We talk with gardening expert Lis Friemoth about how to divide and care for perennials and shrubs.
We are once again celebrating northern Wisconsin with our annual live broadcast from Bayfield. This year we have four gardening experts from the area sharing their expertise.
We talk with the new Director of Horticulture at Olbrich Botanical Gardens in Madison, as well as horticulturist Erin Presley about ways to block weeds. At 12:30 we hear about […]
Compact fruit plants and trees, ornamental vegetables are just some of the ways to add edibles to your landscape. We talk with nationally known gardening expert Melinda Myers about how […]
There are many ways to adjust your gardening experience as you get older. We talk with horticulturist Mark Dwyer about ways to continue to enjoy your hobby even with physical […]
The Midwest is home to more than 150 butterfly species. You can welcome these winged pollinators into your backyard with planning and proper plant selection. Horticulture educator Lisa Johnson shares […]
Fluctuations in temperature and precipitation can cause a gardener problems. We talk with plant expert Susan Carpenter about how climate changes affect native plants. UW-Arboretum
Many people are interested in lawns that feed pollinators. We talk with a turf expert about the latest research on non-grass alternatives and answer your lawn care questions.
The air temperatures may be warm but that doesn’t mean your soil is ready for planting. We talk with nationally known gardening expert Melinda Myers about what we can do to heat up the soil faster. We also look at April gardening chores. Get info about Melinda’s free webinars with the Wisconsin Public Libraries here.
Containers are a great option for tricky spots in your garden. We talk about selecting plants, containers and soil for pots. And we look at how to grow seeds inside and successfully transfer them to your garden.
A successful native garden requires planning. We talk with nationally recognized native plant expert Neil Diboll about how to select the right plants and how to determine their location in your garden. We also talk about how to prepare soil and spring prairie maintenance. Click here for list for more info on prairie gardens.
It’s finally time to start seeds inside. We talk with two UW Extension experts about how to get good results from your efforts. We also take a look at pruning landscape trees and shrubs.
Sometimes less is more. We talk with retired UW Extension horticulture specialist Diana Alfuth about what to put in your soil that actually helps your garden. We also talk about the correct way to water in drought conditions.
Our early spring is one more reminder that our climate is changing. We look at how to still get good results in your garden despite changing temperatures and precipitation levels. We also look at how to correctly prune fruit trees.
We talk with Jere Gettle, the founder of Baker Creek Heirloom Seeds, about new seed varieties from around the world. They include six foot beans, accordion tomatoes and dinosaur kale.
Growing your own food is one of the benefits of gardening. In this episode we take a fresh look at what a vegetable garden looks like. We also talk about the history of the Wild Ones organization and how they have been promoting native gardening since the late 1970’s.
We tend to focus our plant selections on flowers, but foliage can be just as important to our gardens. Mark Dwyer is back with suggestions for plants that can add the wow factor to your landscape.
As our climate changes and weather becomes more unpredictable our garden plants need to be more tolerant. We get recommendations for hardy plants from a seasoned expert.
Nationally recognized native plant expert Neil Diboll talks about an option for no mow turfgrass. He also answers your questions about fall prairie maintenance.
Whether it's a new lawn or filling bare spots, now is the perfect time to seed your lawn. Our sod expert is with us to talk about the best methods to follow.
As the gardening season changes from summer to fall it’s a good time to take stock of your garden. We talk with a native garden specialist from the UW Arboretum about what you can plant, how to collect seeds and why weeding is still important.
Another invasive plant is causing problems in Wisconsin. We talk about the Tree of Heaven and why you don’t want to grow it. We also look at how to make sure you don’t plant invasive species.
There is lots to do in your garden at this time of year. We talk about keeping your edible plants healthy and productive and how to plan for the fall harvest season.
Lack of rain is stressing fruit plants this season. We talk with three experts about how to make sure your trees, shrubs and vines survive the drought.
Learning more about gardening in Wisconsin is only a mouse click away. Our horticulture guests from the UW Extension share information on taking Master Gardener classes and answer your gardening questions.
Containers can add a lot to a garden but they can require more attention than plants in beds. We talk to nationally known gardening expert Melinda Myers about how to care for containers, what plants work best and how to combine them.
A botanical garden is not a static place, plants are different in every season and gardens are always being added. We take a look at what's new at the Green Bay Botanical Garden with Horticulture Manager Lindsay Hendricks.
A botanical garden is not a static place, plants are different in every season and gardens are always being added. We take a look at what's new at the Green Bay Botanical Garden with Horticulture Manager Lindsay Hendricks.
What happens when you combine modern science and innovation, with respect for biodiversity. You get a garden that works with, not against, nature. Our guest can help you take organic gardening to the next level.
Gardeners today have to cope with weather extremes and other effects of a rapidly changing climate. We talk about how with the right techniques, practices, and equipment you can grow a resilient garden.
Container gardening is great for those with limited space and/ or limited sun. We get tips for growing vegetables, herbs and flowers in pots. We also look at how to care for your garden during a drought.
Wisconsin Celebrates Pollinator Week this month. We have two horticulturists from the UW Extension with us to talk about what we can grow to help pollinators thrive in our gardens.
With trees and shrubs leafing out, damage from wildlife and winter weather is apparent. We talk about what to do if you have dieback. We also look at how to keep weeds and insects off your plants.
The wrong tree of shrub in a small place can cause a lot of problems. Our guest offers suggestions for which varieties will do well in the tight spaces in your landscape.
The time between spring and summer weather seems to be lessening. We talk with a native garden specialist from the UW Arboretum about how climate change is affecting native gardens.
As any gardener can tell you, you can spend a lot of money pursuing a great harvest. We talk to nationally known gardening expert Melinda Myers about how to be successful no matter your experience level, the size of your budget, or space limitations.
Many people would like to grow more of their own food but don’t have room for a traditional garden. Our guest is the author of a new book about how to use containers and vertical gardening to solve that problem.
Finding native plants that survive in shaded areas can be difficult. Our guest from the Olbrich Botanical Gardens talks about what spring ephemeral and native plants grow without a lot of sun.
Maintaining your lawn at home can be a lot of work but keeping a golf course or baseball stadium green takes a professional. We talk with a turf expert about how the pros do it and answer your lawn care questions.
What makes a good garden? Our guest says it’s growing the healthiest fruits and vegetables possible - but it’s also about giving back. We talk about attracting pollinators, nurturing soil and attracting native wildlife.
Growing raspberries and blackberries can be very rewarding. We talk about how to keep them happy and healthy. We also look at how to grow asparagus.
Whether your yard is big or small, raised beds are the perfect fit. We talk with the author of a new book that contains all the info you need to build and grow a raised bed garden.
For St. Patrick’s Day we talk about the growing of the green. We hear about shamrocks, green flowers, early season veggies, and early fragrance options.
One of the most important decisions a gardener makes during the year is to choose which varieties to plant. Our guests talk about how seeds are developed and ways to share information about them with other gardeners.
Growing tomatoes can be a challenge. We talk with the founder of straw bale gardening about how his method works and why it helps produce healthy fruit.
The earthy flavor of beets can turn off many vegetable eaters. Our guests have been working on a new variety, it’s called the Badger Flame Beet. We talk about the breeding process and answer other vegetable questions.
The PBS Wisconsin Garden Expo is coming up on February 10 through the 13 in Madison. We talk about what you can find there and also look at winter burn, pruning and a new disease called lipstick rust.
Orchids need different growing conditions than other houseplants. We talk with an expert about how to choose a plant and how to keep it happy.
Winter is the perfect time to prune most trees and shrubs. We talk about which ones to prune, the best tools for the process, and how to figure out what to remove.
There are several ways to grow new houseplants from your existing collection. We talk to nationally known gardening expert, Melinda Myers, about what techniques work best.
Now is the perfect time to make a small garden - in your home. We talk with gardening expert Tovah Martin about plant selection, care, and maintenance. We also look at using everyday objects as containers.
Having blooming plants inside adds warmth and beauty to your home. Our guest talks about ways to encourage bloom and all the ins and outs of caring for these beautiful plants.
Looking for some great gift ideas for gardeners on your list - or for yourself? Our experienced gardening guest has lots of suggestions for you.
There is still time to plant, but the clock is ticking. We look at how to successfully get those woody plants in the ground, what you can compost from your vegetable garden, and how to prepare your garden for winter.
It’s time to select your Christmas trees and garlands. We talk with a tree expert about what trees are best and how to keep them fresh longer. We also talk about woody perennials.
Winter can do a number on your trees, especially those that were planted this year. We talk about how to protect your investment from wind and fluctuating temperatures.
Rooms just feel better with plants, especially if various heights are used. We talk about how to create a natural environment by using tall, medium and small sized plants.
Fresh herbs have many uses and growing most of them isn’t too difficult. Our guest from the Olbrich Botanical Gardens talks about how to be successful, even when you are limited by time, space, or experience.
It’s the perfect time to collect native plant seeds. We talk with two experts about the best ways to save them, and when and how to plant. We’ll also talk about pollinator gardens.
Growing berries in Wisconsin can be tricky. We talk with an expert about getting your plants through the winter months and how to get a bumper crop next season.
Ornamental grasses can create a beautiful element to your garden. We talk about what varieties to choose and also look at selecting conifers that add visual interest to your winter landscape.
As the old saying goes, an ounce of prevention is worth a pound of cure, and that is especially true with trees. We talk with a forest specialist about what you can do to keep your trees healthy.
Have you dreamed of creating a classic English country garden? It’s not as easy as it may look. We talk with a horticulturist about how to plan and care for one. We also look at spring blooming bulbs and how to over winter cold sensitive plants.
Do you wish the growing season was longer? We talk with a horticulturist and award winning author about how to extend your growing season by using protective covers to create controlled spaces for vegetables to survive and thrive.
Plants are still growing but it’s time to start preparing for colder weather. We talk with an extension educator about getting your garden ready for cold weather and upcoming gardening classes.
As the season turns, it is time to start thinking about how to care for your lawn. Our turf expert is back to talk about what you can do to have a healthy lawn next spring.
Native gardens offer great interest at all times of the year. We talk with a native garden specialist from the UW Arboretum about what plants shine in late summer.
Knowing when to harvest is key to getting the most out of your garden. We look at ways to boost flavor, nutritional value, and productivity.
It’s time to start thinking about transitioning our gardens into the fall and winter seasons. We talk with an ornamental plant expert about fall gardening tasks and how to prepare for colder temperatures.
The best way to treat plant disease is to stop it from starting. We talk with an expert about keeping disease out of your garden.
The mid-summer garden is full of growth - and challenges. We talk about how to deal with pests, how to know when to harvest and planting late season vegetables.
We talk with an expert organic gardener about using natural approaches to cope with the challenges of a changing climate. We look at regenerative gardening, agroecology, and permaculture―all to help your green space thrive.
Growing your own fruit can be fun, but not necessarily easy. We talk with three experts about how to select and plant varieties that fit your location and the diseases and insects that can affect your harvest.
It’s been a dry spring and summer for most of Wisconsin. We talk about ways to use less water in your garden, including options for grass.
Plants in nature don’t need us to survive. We talk about how to use the lessons of Mother Nature to design our own more sustainable and eco friendly gardens.
We talk about modern homesteading, not the traditional way of living entirely off the land but by reducing your footprint and living a more sustainable life. We talk with our guest about growing organically, no matter the size of your yard.
For a full sensory experience, fragrance in the garden is a must. We talk about what varieties add scent and also look at ways to add healing elements to your garden.
We're broadcasting live from the beautiful shores of Lake Superior. Join us at the Bayfield Pavilion as we kick off " Bayfield in Bloom ." We'll have experts in vegetable, flower, herb and perennial gardening on hand, as well as an expert on forest health.
Part of the fun of gardening is finding new plant varieties to try. We give suggestions for unusual and under used flowering trees, shrubs and perennials.
June is National Pollinator Month. To celebrate we talk about what you can do in your garden to create more and better habitat for bees, butterflies and other pollinators.
Science tells us that some plants help each other when grown together. We talk with a UW Extension educator about selecting plant combinations and the benefits they can bring to your garden.
Planting season is finally here. Before you get those trees, shrubs and perennials in the ground make sure you know how to plant them correctly.
If you have been thinking of adding native plants to your garden now is the perfect time. We talk with an expert about how to choose, plant and care for natives.
Weeds are a challenge faced by every gardener. We look at practical organic approaches to weed prevention and control with the author of a new book.
Now is the time to give some attention to your lawn. We talk with a sod expert about lawn alternatives, how and when to fertilize, and No Mow May.
Signs of spring are everywhere, birds are back, hibernators are emerging, and insects are stirring. We talk with a native garden specialist from the UW Arboretum about why native plants are so important to this natural transition.
Many people have discovered the joy of gardening in the last few years, bringing new ideas and methods. We look at how gardening is changing with the hosts of the PBS Wisconsin show “Let’s Grow Stuff.”
What started as a simple observation has now reached 60 countries. We talk to the father of straw bale gardening about the benefits for individuals and communities with this method of growing plants.
Growing and caring for houseplants has become a popular hobby for many people in the last few years. We talk with the author of a new book about how keeping plants happy can make you happy too.
Not all seeds are created equal and not all are created for your garden. We talk with two experts about how to select the right seeds and how to access performance data before you buy.
Many gardeners are adding plants that produce fruit and nuts to their landscapes. Our guests are authors of a new book that focuses on easy to grow and disease resistant varieties that will add diversity to your garden.
Adding plants you can eat to your garden is a great way to utilize growing space. Our guests from Madison’s Allen Centennial Garden share plans for adding edibles to their garden and talk about upcoming events.
As winter turns to spring, gardeners start to think about new plants. Our expert gardener has suggestions for annuals, perennials, shrubs and vegetables that are easy and fun.
This is the perfect time to do pruning on most trees and shrubs. We talk with two experts about what to know before you start. We also look at the damage winter salting can do to gardens.
Seed shortages are still a problem in the gardening industry. We talk with the founder of Baker Creek Heirloom Seeds about what his company is doing to meet the demands. We also look at new seed varieties from around the world.
Orchids may seem exotic, but with the right care most make great houseplants. We talk with an expert about how to choose the right variety, how to get them to bloom and how to propagate.
The best way to control bad bugs in your garden is to attract beneficial bugs and let them do the work. We talk to a horticulturist about those good insects, how they work, and what they eat.
Wouldn’t it be nice to have fresh vegetables year round? We talk to a greenhouse builder and a horticulturist about how you can achieve just that.
When exposed to severe conditions, some trees and shrubs can suffer from winter burn. We talk about how to recognize this common problem, how to prevent it, and how to save plants that have been damaged.
Many gardeners are embracing naturalistic plantings based on wild spaces. We talk with the director of the Greater Des Moines Botanical Garden about designing and growing landscapes that are true to nature.
Did you get a beautiful poinsettia for the holidays? Are you wondering how to keep it alive? Wonder no more, author and plant expert Tovah Martin is back with tips to help you care for those holiday plants.
At this time of the year many gardeners turn their attention to indoor plants. We talk with an expert about what you need to provide to keep them healthy - and the right light is key.