When should I plant Perilla Seeds in Zone 5b?

Start Perilla Seeds seeds indoors around Mar 17. Transplant outdoors after Apr 28. Expect first harvest around Aug 6.

What is the last frost date for Zone 5b?

The average last spring frost date for Zone 5b is Apr 28. The first fall frost averages Oct 8, giving a 163-day growing season.

Can I grow Perilla Seeds in Zone 5b?

Yes. Perilla Seeds needs 135 days to harvest. Zone 5b has a 163-day growing season, which is sufficient.

Growing Perilla Seeds in Zone 5b

Zone 5b has cold winters and a moderate growing season. Timing is key for Perilla Seeds in this zone. Last frost: Apr 28. First frost: Oct 8.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 17Oct 8

Season: Apr 28 – Oct 8 (163 days)

Zone5b

Last FrostApr 28

First FrostOct 8

Season Length163 days

Days to Harvest135

SunFull Sun

Frost ToleranceNone

Spacing4/sqft (6" apart)

When to Plant Perilla Seeds in Zone 5b

Start Seeds Indoors: Mar 17

Start Perilla Seeds seeds indoors around Mar 17 (6 weeks before last frost). Optimal germination temperature: 75°F. Germinates in 7–14 days.

Transplant Outdoors: Apr 28

Transplant Perilla Seeds seedlings outdoors after Apr 28. 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 6

First harvest approximately Aug 6 (~100 days from transplant). Continue harvesting until first frost (Oct 8).

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

Plan Your Perilla Seeds Garden

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

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