Gardening Tools websites

USDA Plant Hardiness Zone Map

planthardiness.ars.usda.gov

★ 92

The U.S. Department of Agriculture's interactive 2023 map for finding plant hardiness zones by ZIP code or location.

NC State Extension Gardener Plant Toolbox

plants.ces.ncsu.edu

★ 90

A university-backed plant database with detailed filters for site conditions, uses, resilience, wildlife value and appearance.

Milpa Gardens

milpa.garden

★ 89

An evidence-conscious garden planner combining planting dates, companion planting, bed layouts and a private seasonal journal.

Dibble

dibblegarden.com

★ 88

A private-by-design planting calendar and garden planner that adapts crop tasks to local frost, heat and rain.

Plant Planner Australia

plantplanner.com.au

★ 87

An Australian raised-bed planner using postcode, bed dimensions and household needs to guide crop choice and timing.

Planter

planter.garden

★ 86

A cross-platform garden planner for laying out beds, choosing plants and calculating location-based planting dates.

Verdantly

verdantly.io

★ 85

A beginner-oriented food-growing guide that converts space, season and ZIP code into a dated plan with cited extension advice.

GardenCAD

gardencad.org

★ 84

A free browser-based garden design tool with scaled geometry, plant spacing, sun modelling, shade maps and local season estimates.

grove Bed Planner

grove.eco

★ 83

A year-round vegetable-bed planner focused on companion planting, crop rotation, task scheduling and harvest continuity.

GARDENA myGarden

gardena.com

★ 78

A free visual garden planner for drawing outdoor layouts from scratch or adapting editable example gardens.