All Your Gardening Tools
Pick a tool below to plan planting windows, optimize spacing, and check your garden plan from first sow to final harvest.
Popular picks: planting schedule calculator , plant spacing calculator , and soil test results calculator.
Start with our top planning tools: plant spacing calculator , raised bed soil calculator , mulch calculator , soil amendment calculator , and companion planting guide.
Plan Your Garden in 3 Steps
Use GardenCal as a practical garden planning calculator workflow. First, set your planting dates so seeds and transplants start on time. Next, calculate spacing so each crop has enough room for airflow and root growth. Then validate your soil strategy with targeted amendments based on soil test results. This process helps you avoid overcrowding, nutrient gaps, and mistimed planting.
1) Timing
Build your seed-starting calendar around your local frost window.
Planting schedule calculator2) Layout
Check how many plants fit and compare square foot, row, and intensive layouts.
Plant spacing calculator3) Soil
Turn soil test numbers into an actionable amendment plan for pH and nutrients.
Soil amendment calculatorGarden Checker: Common Questions
What should I check before planting? Confirm your frost-date timing, spacing plan, and soil test targets first. Those three checks prevent most beginner mistakes.
Can I use these tools for raised beds and small yards? Yes. GardenCal calculators work for containers, raised beds, and in-ground plots. Enter your area and crop details to get custom recommendations.
Which tools should I use together? Pair the companion planting checker with spacing and schedule planning to reduce disease pressure and improve harvest consistency.