The Butterfly Effect
BARBARA KELLER-WILLY remembers her reaction when fellow Texas gardeners told her that native milkweed, a plant essential for the survival of the monarch butterfly, was nearly impossible to grow: How hard could it be? It was 2009, and Keller-Willy had just quit her job as an engineering executive. She was spending her time volunteering for local nature and prairie restoration projects.
Keller-Willy had been a corporate problem-solver for most of her professional career. Learning that milkweed was resistant to even the most green-thumbed growers’ coaxing only tempted her to confront the challenge. So she planted 300 seeds at her home in Sugar Land. Only three survived. “It was sobering,” she says. “It made me think this isn’t as easy as I thought it was going to be.”
For the last two decades, gardeners and butterfly enthusiasts have been trying to grow native milkweed to help monarch butterflies, which lay their eggs exclusively on the plant and depend on it for food. Monarchs are revered throughout North and Central America for their beauty, ability to pollinate many wildflowers and sophisticated two-way migration, unique among butterflies. But since the 1990s, monarch numbers have declined by 90 percent,
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