Pollinators like bees and butterflies are essential for global food production but face severe decline due to habitat loss and pesticides. A recent assessment highlights that over one in five North American pollinators risks extinction. Home gardeners can help by planting native species to provide critical nectar sources.
Pollinators support more than 87% of the world's flowering plant species and contribute to about 35% of global crop production. However, a 2025 assessment of North American pollinators revealed that at least one in five native species faces elevated extinction risk, with 34.7% of native bees particularly threatened. Primary factors include climate change, habitat loss, and pesticide use. Globally, around 40% of invertebrate pollinators, such as bees and butterflies, are at risk. The eastern monarch butterfly population has dropped by roughly 80% in recent decades, and some bumble bee species have seen hive occupancy decline by 57% or more since 1998.
Residential gardens play a vital role in urban areas, producing 85% of nectar sugar according to research in the Journal of Ecology. A 2024 study found that gardens supply 50% to 95% of available nectar during periods when farmland sources diminish. To support pollinators, experts recommend planting native species that have co-evolved with local insects, providing nectar, pollen, and larval host plants.
Tools like the National Wildlife Federation’s Native Plant Finder and the Xerces Society’s regional lists help select appropriate plants by ZIP code. The USDA Plant Hardiness Zone Map, updated in November 2023, shows many areas have warmed by half a zone, expanding viable plant options. Key tips include planting flowers of varied sizes, shapes, and colors; avoiding modern hybrids that produce less nectar; grouping plants in drifts for visibility; skipping heavy mulch to aid ground-nesting bees (70% of native species); and leaving dead wood for nesting.
Regional recommendations vary: for the Midwest, Northeast, and Northwest, options include Sweet Black-Eyed Susan, Purple Coneflower, Mountain Mint, and Smooth Blue Aster. In the Deep South, native wildflowers like Blanket Flower, Texas Bluebonnet, and Black-Eyed Susan suit hotter climates. Along the Pacific Coast, California poppies, native Lupines, and Coyote Mint support year-round blooming amid a 57% decline in western bumble bee hives since 1998.
Gardeners should avoid neonicotinoid pesticides, which are toxic to pollinators. As of January 2025, California bans their retail sales, joining 12 states with restrictions. Additional steps involve ensuring year-round blooms with early and late flowers like Crocus and Goldenrod, providing shallow water sources, reducing mowing to let clover and dandelions flower, and connecting habitats with neighbors. Pollinators add over $15 billion annually to North American agriculture, making home efforts crucial for food security.
