Perilla Seeds illustration

Growing Perilla Seeds in Zone 5a

Zone 5a 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)

Zone5a
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 5a

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

Frequently Asked Questions

When should I plant Perilla Seeds in Zone 5a?

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 5a?

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

Can I grow Perilla Seeds in Zone 5a?

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

What is the best month to plant Perilla Seeds in Zone 5a?

The best time to start Perilla Seeds in Zone 5a is Mar. Begin seeds indoors around Mar 17, then transplant outdoors after the last frost date of Apr 28.

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 5a, expect your first harvest around Aug 6.

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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