March guide image
Planting calendar guide

March

Main tasks: Start tomatoes/peppers indoors in many zones; direct sow hardy greens where soil can be worked.

Main tasks: Start tomatoes/peppers indoors in many zones; direct sow hardy greens where soil can be worked.Good candidates: Lettuce, spinach, peas, radish, carrots, brassicas.Timing note: Use frost protection for outdoor seedlings.

Quick facts

Main tasks: Start tomatoes/peppers indoors in many zones; direct sow hardy greens where soil can be worked.

Good candidates: Lettuce, spinach, peas, radish, carrots, brassicas.

Timing note: Use frost protection for outdoor seedlings.

What to do next

  • Find your local first and last frost dates.
  • Sort crops into cool-season and warm-season groups.
  • Start slow with a few reliable crops or herbs.
  • Use containers or row cover to extend the season.
  • Write down what worked so next year is easier.

Watch-outs

A month-by-month calendar is general. Your exact dates depend on ZIP code, frost, heat, rainfall, and microclimate.

FAQ

How do I use this planting calendar guide?

Start with the light, soil, water, symptom, or purpose notes on this page, then make one careful change at a time.

What is the biggest mistake with March?

A month-by-month calendar is general. Your exact dates depend on ZIP code, frost, heat, rainfall, and microclimate.

When should I get more help?

Get local help if the plant is valuable, symptoms are spreading quickly, or outdoor disease and pest problems may affect nearby plants.