39. Houseplants

Houseplants have surged into a $2 billion annual industry, with sales nearly doubling from 2019 to 2021 per the National Gardening Association. This episode explores the economics behind mass producers like Costa Farms, rare plant breeders like Brian Williams of Brian's Botanicals, and the tensions from breeding innovations and propagation tech.

Mass Production for Everyday Buyers

Costa Farms, a family-run operation with over 5,200 acres across Florida, the Carolinas, and the Dominican Republic, supplies big retailers like Lowe's, Home Depot, Walmart, IKEA, and Costco. They grow hundreds of varieties, split between reliable staples like golden pothos, heartleaf philodendron, and snake plants, and newer introductions like Zamio colcus from Africa, prized for its rubbery, plastic-like leaves and low-maintenance appeal.

Their process starts with plant hunter Mike Rimland sourcing "mother plants" from growers, backyard breeders, and trade shows—never wild harvesting. Key criteria include "domestic durability": thriving in average homes with low light and infrequent watering. Plants undergo employee home tests and the "closet test," where they're left in an air-conditioned closet for two weeks untouched. Survivors must also endure truck shipping and retail shelf time.