Perilla Seeds illustration

Growing Perilla Seeds in Zone 9a

Zone 9a has warm winters and an extended growing season — excellent for heat-loving crops like Perilla Seeds. Last frost: Mar 20. First frost: Nov 12.

Planting Calendar

Indoor
Outdoor
Harvest
Feb 6Nov 12

Season: Mar 20 – Nov 12 (237 days)

Zone9a
Last FrostMar 20
First FrostNov 12
Season Length237 days
Days to Harvest135
SunFull Sun
Frost ToleranceNone
Spacing4/sqft (6" apart)

When to Plant Perilla Seeds in Zone 9a

Start Seeds Indoors: Feb 6

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

Transplant Outdoors: Mar 20

Transplant Perilla Seeds seedlings outdoors after Mar 20. 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 28

First harvest approximately Jun 28 (~100 days from transplant). Continue harvesting until first frost (Nov 12).

Companion Planting

✅ Pepper✅ Sesame

Frequently Asked Questions

When should I plant Perilla Seeds in Zone 9a?

Start Perilla Seeds seeds indoors around Feb 6. Transplant outdoors after Mar 20. Expect first harvest around Jun 28.

What is the last frost date for Zone 9a?

The average last spring frost date for Zone 9a is Mar 20. The first fall frost averages Nov 12, giving a 237-day growing season.

Can I grow Perilla Seeds in Zone 9a?

Yes. Perilla Seeds needs 135 days to harvest. Zone 9a has a 237-day growing season, which is sufficient.

What is the best month to plant Perilla Seeds in Zone 9a?

The best time to start Perilla Seeds in Zone 9a is Feb. Begin seeds indoors around Feb 6, then transplant outdoors after the last frost date of Mar 20.

What companion plants grow well with Perilla Seeds?

Good companion plants for Perilla Seeds include Pepper, Sesame.

How long does Perilla Seeds take to harvest?

Perilla Seeds takes approximately 135 days from planting to harvest. In Zone 9a, expect your first harvest around Jun 28.

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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