Original data
Plant data studies
Original, citable analyses built from our plant database — compiled from RHS, Missouri Botanical Garden and pomology sources. Free to reuse under CC BY 4.0.
How Many Plants Can You Grow in Each USDA Zone?
The number of species suited to each USDA hardiness zone, charted, tabulated and cross-cut by category.
Read the study →Which Crops Adapt to the Widest Range of Climates?
Species ranked by climate breadth — how many USDA zones each tolerates. The safest bets for uncertain climates.
Read the study →