When should I plant Perilla Seeds in Zone 3a?

Start Perilla Seeds seeds indoors around Apr 10. Transplant outdoors after May 22. Expect first harvest around Aug 30.

What is the last frost date for Zone 3a?

The average last spring frost date for Zone 3a is May 22. The first fall frost averages Sep 12, giving a 113-day growing season.

Can I grow Perilla Seeds in Zone 3a?

Zone 3a has a 113-day growing season, which may be too short for Perilla Seeds (135 days needed). Consider short-season varieties or season extension techniques.

Growing Perilla Seeds in Zone 3a

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

Season Too Short

Perilla Seeds needs 135 days to harvest, but Zone 3a has only a 113-day growing season. Consider short-season varieties or season extension techniques (cold frames, row covers).

Zone3a

Last FrostMay 22

First FrostSep 12

Season Length113 days

Days to Harvest135

SunFull Sun

Frost ToleranceNone

Spacing4/sqft (6" apart)

When to Plant Perilla Seeds in Zone 3a

Start Seeds Indoors: Apr 10

Start Perilla Seeds seeds indoors around Apr 10 (6 weeks before last frost). Optimal germination temperature: 75°F. Germinates in 7–14 days.

Transplant Outdoors: May 22

Transplant Perilla Seeds seedlings outdoors after May 22. Wait until soil temperature reaches 60°F. Space plants at 4/sqft (6" apart). Harden off plants for a week before moving outside.

Harvest: Aug 30

First harvest approximately Aug 30 (~100 days from transplant). Continue harvesting until first frost (Sep 12).

Companion Planting

✅ Pepper✅ Sesame

Perilla Seeds in Other Zones

1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13b

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

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