When should I plant Perilla Seeds in Zone 9b?

Start Perilla Seeds seeds indoors around Jan 27. Transplant outdoors after Mar 10. Expect first harvest around Jun 18.

What is the last frost date for Zone 9b?

The average last spring frost date for Zone 9b is Mar 10. The first fall frost averages Nov 15, giving a 250-day growing season.

Can I grow Perilla Seeds in Zone 9b?

Yes. Perilla Seeds needs 135 days to harvest. Zone 9b has a 250-day growing season, which is sufficient.

Growing Perilla Seeds in Zone 9b

Zone 9b has warm winters and an extended growing season — excellent for heat-loving crops like Perilla Seeds. Last frost: Mar 10. First frost: Nov 15.

Planting Calendar

Indoor

Outdoor

Harvest

Jan 27Nov 15

Season: Mar 10 – Nov 15 (250 days)

Zone9b

Last FrostMar 10

First FrostNov 15

Season Length250 days

Days to Harvest135

SunFull Sun

Frost ToleranceNone

Spacing4/sqft (6" apart)

When to Plant Perilla Seeds in Zone 9b

Start Seeds Indoors: Jan 27

Start Perilla Seeds seeds indoors around Jan 27 (6 weeks before last frost). Optimal germination temperature: 75°F. Germinates in 7–14 days.

Transplant Outdoors: Mar 10

Transplant Perilla Seeds seedlings outdoors after Mar 10. Wait until soil temperature reaches 60°F. Space plants at 4/sqft (6" apart). Harden off plants for a week before moving outside.

Harvest: Jun 18

First harvest approximately Jun 18 (~100 days from transplant). Continue harvesting until first frost (Nov 15).

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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