Pepper, Shishito illustration 🫑

🫑 Growing Pepper, Shishito in Zone 3a

Zone 3a has harsh winters and a short growing season. Start Pepper, Shishito early indoors to maximize your harvest window. Last frost: May 22. First frost: Sep 12.

Planting Calendar

Indoor
Outdoor
Harvest
Mar 27Sep 12

Season: May 22 – Sep 12 (113 days)

Zone3a
Last FrostMay 22
First FrostSep 12
Season Length113 days
Days to Harvest60
SunFull Sun
Frost ToleranceNone
Spacing1/sqft (12" apart)

When to Plant Pepper, Shishito in Zone 3a

Start Seeds Indoors: Mar 27

Start Pepper, Shishito seeds indoors around Mar 27 (8 weeks before last frost). Optimal germination temperature: 85°F. Germinates in 8–21 days.

Transplant Outdoors: Jun 5

Transplant Pepper, Shishito seedlings outdoors after Jun 5. Wait until soil temperature reaches 65°F. Space plants at 1/sqft (12" apart). Harden off plants for a week before moving outside.

Harvest: Aug 9

First harvest approximately Aug 9 (~65 days from transplant). Continue harvesting until first frost (Sep 12).

Plan Your Pepper, Shishito Garden

Track Pepper, Shishito from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

Start Free Pepper, Shishito Growing Guide