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🌿 Herb medium

Growing Perilla in Incheon

🇰🇷 Zone 4 Planting Guide · Hot-summer continental (dry winter) climate

USDA Zone 4 210 frost-free days 50-70 days to harvest

Quick Answer: Growing Perilla in Incheon

Yes, you can grow Perilla in Incheon, KR! Plant during Apr, May, Jun, Jul for best results. Incheon is in USDA Zone 4 with a Hot-summer continental (dry winter) climate, offering 210 frost-free days per year. The difficulty level is medium, and Perilla takes 50-70 days to harvest. Perilla needs full sun to partial shade and regular watering.

Climate Match Analysis

Moderate Match Incheon + Perilla

Incheon's climate requires careful timing. Winter lows (-5°C) drop below Perilla's minimum (5°C), so avoid cold months. Follow the recommended planting months for success.

Perilla tolerates 5°C to 35°C
Optimal: 18°C - 28°C
Incheon range -5°C to 29°C

Incheon Climate Data

USDA Zone
4
Frost-Free
210days
Winter Low
-5°C
Summer High
29°C
Rainfall
1234mm/yr
Climate
Dwa
Hot-summer continental (dry winter)

Perilla Planting Calendar for Incheon

Green months show the best time to plant Perilla in Incheon

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Plant Perilla Not recommended

Perilla Growing Requirements

☀️

Sunlight

Full Sun to Partial Shade

2-4 hours direct sunlight

💧

Water

Regular

Consistent moisture, 1-2 inches/week

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Days to Harvest

50-70

From planting to first harvest

📊

Difficulty

medium

Some experience helpful

💡 Growing Tips for Perilla

Self-seeds readily. Essential in Japanese and Korean cuisine. Wait until soil warms to at least 18°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Aim for about 2.5 cm of water per week, adjusting for rainfall. Organic mulch around the base helps maintain even moisture.

Frost tolerance: Perilla is NOT frost tolerant — wait until after the last frost in Incheon.

How to Grow Perilla in Incheon

Incheon, KR is in USDA Hardiness Zone 4 with a Hot-summer continental (dry winter) climate (Köppen Dwa). With winter lows of -5°C and summer highs of 29°C, the growing season spans approximately 210 frost-free days. Perilla grows well with some gardening knowledge in this climate.

Perilla thrives in temperatures between 18°C and 28°C, requiring full sun to partial shade and regular watering. In Incheon, the best months to plant Perilla are April, May, June, July. Perilla is not frost tolerant, so it's important to wait until after the last spring frost before transplanting outdoors. Expect to harvest in approximately 50-70 days after planting.

Incheon receives 1234mm of annual rainfall, which provides good natural moisture for Perilla. Supplement with additional watering during dry spells.

Other Plants That Grow in Incheon

More plants you can grow alongside Perilla in Incheon

Keep Exploring

Frequently Asked Questions

Can I grow perilla in Incheon?

Yes! Perilla can be successfully grown in Incheon, KR. Incheon is in USDA Hardiness Zone 4 with a Hot-summer continental (dry winter) climate. The difficulty level for growing Perilla here is rated "medium". The best months to plant are April, May, June, July.

When should I plant perilla in Incheon?

In Incheon, the recommended planting months for Perilla are April, May, June, July. Incheon has 210 frost-free days per year, with winter lows of -5°C and summer highs of 29°C. Since Perilla is not frost tolerant, make sure to plant after the last frost date.

How long does perilla take to grow in Incheon?

Perilla typically takes 50-70 days from planting to harvest. In Incheon's Hot-summer continental (dry winter) climate with 210 frost-free days, you have plenty of time to grow Perilla to maturity. Self-seeds readily. Essential in Japanese and Korean cuisine. Wait until soil warms to at least 18°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Aim for about 2.5 cm of water per week, adjusting for rainfall. Organic mulch around the base helps maintain even moisture.

Can I grow perilla indoors in Incheon?

Perilla can potentially be grown indoors in Incheon with proper conditions. It requires full sun to partial shade (2-4 hours of indirect light). Indoor growing extends your season beyond the Apr, May, Jun, Jul outdoor planting window. Use containers with good drainage and regular watering.

What month do I plant perilla in Incheon?

Plant Perilla in Incheon during April, May, June, July. These are the optimal months based on Incheon's USDA Zone 4 climate, 210 frost-free days, and temperature range of -5°C to 29°C.

Is perilla hard to grow in Incheon?

Perilla is rated "medium" to grow in Incheon. Some gardening experience is helpful. Pay attention to watering schedules and planting timing. The climate match for Perilla in Incheon is Moderate.

What grows well with perilla in Incheon?

In Incheon, you can grow many companion plants alongside Perilla. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in Incheon's Zone 4 climate.

Does perilla need full sun in Incheon?

Perilla requires full sun to partial shade. Perilla tolerates lower light. In Incheon, a spot with filtered or indirect light for 2-4 hours works well.

Last updated: March 2026 · Climate data from NOAA, FAO, USDA

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