Crimson clover

Cover crop · cool season · also called clover

Crimson clover in bloom
Photo: Cbaile19, Wikimedia Commons (CC0)

When to plant

  • Sow seeds outdoors about 4 weeks before your average last spring frost.
  • It can also be grown as a fall crop, timed back from your first fall frost.
  • Ready to harvest about 60 days after planting.

Adds nitrogen. Fall-sown in zone 6+ it overwinters and blooms in spring.

Frost dates depend on where you live. Enter your ZIP code to get exact dates.

Growing basics

Not edible.

Sun
Part sun (4–6 hours)
Spacing
Broadcast
Soil temperature
At least 45°F
Time to harvest
About 60 days
Plant family
Bean and pea family (legumes)
Seeds keep
About 3 years

Companions

Keep apart: the onion family (alliums). Onions and garlic can stunt beans and peas.

Keep apart: Sunflower. Sunflowers release compounds that can slow beans.

Pests and problems

Grow it well

Tips

  • Plant a cover crop in fall. Sow cereal rye, oats, or crimson clover in empty beds after harvest. The roots hold the soil through winter, and in spring you cut them down to feed the soil.

More garden tips →

Affiliate links: we may earn a small commission, at no extra cost to you.