Tools

Garden tools and calculators

Free, personalized to your location, and built on the same USDA and NOAA data that backs every plant guide on the site.

Planting Calendar by ZIP

Enter your ZIP and get personalized sow, transplant, and harvest dates for frost-dated crops, built from local frost normals.

Separate winter cold tolerance from local frost timing.

See your average first and last frost dates and USDA hardiness zone from the nearest NOAA weather station.

Compare your ZIP's official 2012 and 2023 USDA hardiness-zone listings and see the listed half-zone difference.

Turn bed dimensions and cited crop relationships into practical plans.

Calculate bed capacity for 31 vegetables and herbs using densities from one named UF/IFAS Extension guide.

Calculate cubic feet, cubic yards, bags, topsoil, and compost for any rectangular raised bed.

Choose a crop and explore only the direct companion relationships recorded in cited plant sources.