Sweet pea (flower)

Flower · cool season

Pink and purple sweet pea flowers
Photo: Athan, iNaturalist (CC0)

When to plant

  • Sow seeds outdoors about 6 weeks before your average last spring frost.
  • Ready to harvest about 75 days after planting.

Fragrant cut flower. Not edible; unrelated to garden peas.

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

Growing basics

Not edible.

Harmful to pets. The seeds and pods are toxic to cats and dogs.

Sun
Full sun (6+ hours)
Spacing
6 in (trellised)
Soil temperature
At least 40°F
Time to harvest
About 75 days
Containers
At least 2 gallons
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

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