ZIP-based
Last Frost Date & USDA Zone by ZIP Code
Find the last spring frost date, first fall frost date, USDA hardiness Zone, and nearest eligible NOAA freeze normals for a five-digit U.S. ZIP code.
Open tool →Garden tools
Plan from local dates to bed dimensions
Start with your ZIP code for climate context, then turn crop timing, spacing, and material dimensions into a practical plan.
ZIP-based
Planting Calendar by ZIP Code
Translate local freeze normals and reviewed crop offsets into spring and fall planting ranges.
Open tool →Calculator
Seed Quantity Calculator
Estimate planting positions, raw seed needs, and a whole-seed recommendation from row length and spacing.
Open tool →Calculator
Plant Spacing Calculator
Estimate rows and plant capacity for square-grid or staggered layouts with an explicit edge margin.
Open tool →Calculator
Garden Soil Volume Calculator
Calculate raw bed volume, extra purchase volume, cubic yards, liters, and whole bags without hiding rounding.
Open tool →Calculator
Garden Mulch Calculator
Estimate mulch volume and bag quantities for one or more rectangular beds at a chosen application depth.
Open tool →Calculator
Raised Bed Planner
Combine transparent soil-volume and plant-capacity estimates for a rectangular raised bed plan.
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