Open dataset of 1,972 plant varieties with growing requirements, USDA hardiness zones, planting calendars, companion plants, and nutrition data. CC BY 4.0.
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Updated
May 26, 2026
Open dataset of 1,972 plant varieties with growing requirements, USDA hardiness zones, planting calendars, companion plants, and nutrition data. CC BY 4.0.
A tool for estimating USDA plant hardiness zones worldwide for arbitrary plant species.
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