
How Houseplants Get Made: Plant Breeding, Trend Forecasting and What It Takes to Grow Millions of Plants
Growing Joy with Plants - Wellness Rooted in Nature, Houseplants, Gardening and Plant CareShow Notes
Have you ever picked up a plant at the garden center and wondered how the houseplants even get here? I didn't think about it much until I was invited to speak at Cultivate, one of the biggest horticulture industry conferences, and I spent the whole time walking the halls. I'd been caring for plants for years. But I had no idea how much love and time go into getting one plant onto a store shelf. So I asked my friend Justin Hancock to walk us through it. Justin is a horticulturist at Costa Farms, the largest houseplant grower in the world. We talked about plant hunters, secret R&D areas in greenhouses, years of testing, and literally millions of cuttings before a plant ever makes it onto a store shelf! Let's dive in!
In this episode, we learn: [01:33] Come hang out with me over on Substack! [02:58] Welcome back, Justin Hancock! [05:19] Why the horticulture industry is so grounded and generational [06:30] What has Justin’s experience in the horticulture industry been like? [07:38] Why many horticulture businesses are passed down through generations [09:29] How a plant gets from discovery to your local garden center [11:12] What is a plant hunter, and how do you become one? [12:14] What makes a good new houseplant [14:00] How long does a plant spend in R&D before it hits shelves? [14:11] How growers forecast plant trends years ahead of social media [15:51] Meet the plant rebels who changed history in Rebel Gardeners by Camilla Anderson! [17:43] Plant hunting vs. plant breeding [19:35] Why aureums are so shy to flower… [20:52] What happens after a plant passes R&D? (propagating from one cutting to thousands) [22:40] Costa's five-point testing process and why variegated plants are so tricky to produce [24:40] The other roles that touch plants before they reach the garden center [25:19] How Costa is making its potting mixes more sustainable and locally sourced [26:33] How many plants make it out of R&D (and the Monstera subpinnata that flopped) [28:37] How tissue culture fits into plant hunting and production [29:33] What is tissue culture, and how is it different from growing from a cutting? [30:53] Should everyday plant parents buy tissue culture plants? [34:01] When trends move faster than production: the pink princess philodendron [36:12] What's hot right now and the new genera coming out of R&D [38:55] Inside Justin's book, The New Complete Guide to Houseplants [40:40] Bonus plant profiles and signed copies when you pre-order through Costa Farms! [42:31] Rapid-fire questions: underrated & overhyped houseplants [44:00] The plant Justin always kills, and the one he grows best! [45:30] The one thing he wishes every person understood about their houseplants
Mentioned in our conversation: The New Complete Guide to Houseplants by Justin Hancock Mike Rimland (Plant hunter at Costa Farms) Monstera Bulbasaur Growing Joy 357: Motherhood, Seasons of Life and Changing Plant Passions with Becca De La Plants Growing Joy 300: Exploring the Different Types of Pothos: From Marble Queen to Albo to Climbing Giants with Justin of Costa Farms
Where do your favorite houseplants come from? Check out the full show notes and blog to find out!
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Thank you to our episode sponsor: Quarto: Rebel Gardeners by Camilla Anderson Grab your copy of Rebel Gardeners at quarto.com, wherever books are sold, or through your local bookstore.
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