When should I plant Perilla Seeds in Zone 1b?

Start Perilla Seeds seeds indoors around Apr 13. Transplant outdoors after May 25. Expect first harvest around Sep 2.

What is the last frost date for Zone 1b?

The average last spring frost date for Zone 1b is May 25. The first fall frost averages Aug 28, giving a 95-day growing season.

Can I grow Perilla Seeds in Zone 1b?

Zone 1b has a 95-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 1b

Zone 1b has harsh winters and a short growing season. Start Perilla Seeds early indoors to maximize your harvest window. Last frost: May 25. First frost: Aug 28.

Season Too Short

Perilla Seeds needs 135 days to harvest, but Zone 1b has only a 95-day growing season. Consider short-season varieties or season extension techniques (cold frames, row covers).

Zone1b

Last FrostMay 25

First FrostAug 28

Season Length95 days

Days to Harvest135

SunFull Sun

Frost ToleranceNone

Spacing4/sqft (6" apart)

When to Plant Perilla Seeds in Zone 1b

Start Seeds Indoors: Apr 13

Start Perilla Seeds seeds indoors around Apr 13 (6 weeks before last frost). Optimal germination temperature: 75°F. Germinates in 7–14 days.

Transplant Outdoors: May 25

Transplant Perilla Seeds seedlings outdoors after May 25. Wait until soil temperature reaches 60°F. Space plants at 4/sqft (6" apart). Harden off plants for a week before moving outside.

Harvest: Sep 2

First harvest approximately Sep 2 (~100 days from transplant). Continue harvesting until first frost (Aug 28).

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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