Garden Math Made Simple
A free, 20-page PDF of the formulas behind every calculator on this site — with worked examples, reference tables, and printable planning worksheets.
What you'll learn:
- How many plants fit: spacing formulas and bed tables for 14 crops
- Seed counts that account for germination rate
- Seed-starting dates, cells, and tray math
- Soil and mulch volume tables, in cubic feet, yards, and bags
- Watering in gallons, plus drip irrigation run times
- Six printable planning worksheets and a quick reference card
Garden Math Made Simple
20-page PDF · free
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