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Pisum sativum

Sugar Snap Peas

A crisp cool-season climber that goes from direct sowing to frequent harvest quickly.

Grows in Zones 4–12Reviewed guide
Sugar Snap Peas growing or ready to harvestPhoto: Forest and Kim Starr · CC BY 3.0 US

Set your expectations

How long until you can harvest?

50–90 days from seed
Cold-weather notePeas tolerate cool weather; beans are damaged by frost.
Start withSeeds planted directly in the garden
Life cycleAnnual
DifficultyEasy

Your seasonal plan

When to grow sugar snap peas in Zone 6.

Planting usually begins later in spring than it does in warmer zones. These are useful planning windows, not exact weather guarantees.

Typical planting windowMarch–May and August–September
Typical harvest windowMay–August and October–December

Growing essentials

What sugar snap peas need to thrive.

Use the practical details below with your Zone 6 timeline. Current weather and the variety you choose can shift timing.

LightFull sun
SoilWell-drained soil with moderate fertility, pH about 6.0–7.0
Planting depth1–1½ in
Spacing2 in with trellis
WaterKeep evenly moist during flowering and pod fill; water at soil level.
Best conditionsMatch the crop to the season: peas and favas prefer cool weather; beans and cowpeas need warmth.

How to plant

Plant it well.

Plant seeds directly in the garden; peas and beans dislike root disturbance. Install support before vining types begin to climb.

Indoors or containers

Best outdoors. Dwarf types can grow in deep containers with strong light and a trellis.

Keep it growing

Care through the season.

  • Avoid excess nitrogen, which produces leaves instead of pods.
  • Guide vines onto support and keep pods picked to extend production.
  • Rotate away from other legumes when practical.
What to avoid

Too much nitrogen produces many leaves but fewer pods.

Ready to harvest

Know the cue, not just the date.

  • Pick when pods are plump yet crisp and bright; harvest every 1–3 days.
  • Harvest during the cool part of the day when practical. Use clean tools, then cool, store or use the harvest promptly.

Detailed plant guide

Peas prefer cool soil and plant seeds directly in the gardening.

Best timing: Early spring or fall where winters are mild.

  1. 1

    Install the trellis before sowing.

  2. 2

    Plant seeds 1–1½ inches deep and about 2 inches apart.

  3. 3

    Keep the seedbed evenly moist but never saturated.

How we know

Reviewed, traceable guidance.

This guide summarizes guidance from university Extension programs and combines it with practical seasonal planning.

Growing peas in home gardensUniversity of Minnesota Extension

October 2026