Growing Perilla in St. Louis
🇺🇸 Zone 4 Planting Guide · Humid subtropical climate
Quick Answer: Growing Perilla in St. Louis
Yes, you can grow Perilla in St. Louis, US! Plant during Apr, May, Jun, Jul for best results. St. Louis is in USDA Zone 4 with a Humid subtropical 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
St. Louis's climate requires careful timing. Winter lows (-6°C) drop below Perilla's minimum (5°C), so avoid cold months. Follow the recommended planting months for success.
St. Louis Climate Data
Perilla Planting Calendar for St. Louis
Green months show the best time to plant Perilla in St. Louis
Perilla Growing Requirements
Sunlight
Full Sun to Partial Shade
2-4 hours direct sunlight
Water
Regular
Consistent moisture, 1-2 inches/week
Days to Harvest
50-70
From planting to first harvest
Difficulty
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 St. Louis.
How to Grow Perilla in St. Louis
St. Louis, US is in USDA Hardiness Zone 4 with a Humid subtropical climate (Köppen Cfa). With winter lows of -6°C and summer highs of 32°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 St. Louis, 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.
St. Louis receives 1016mm of annual rainfall, which provides good natural moisture for Perilla. Supplement with additional watering during dry spells.
Other Plants That Grow in St. Louis
More plants you can grow alongside Perilla in St. Louis
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Frequently Asked Questions
Can I grow perilla in St. Louis?
Yes! Perilla can be successfully grown in St. Louis, US. St. Louis is in USDA Hardiness Zone 4 with a Humid subtropical 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 St. Louis?
In St. Louis, the recommended planting months for Perilla are April, May, June, July. St. Louis has 210 frost-free days per year, with winter lows of -6°C and summer highs of 32°C. Since Perilla is not frost tolerant, make sure to plant after the last frost date.
How long does perilla take to grow in St. Louis?
Perilla typically takes 50-70 days from planting to harvest. In St. Louis's Humid subtropical 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 St. Louis?
Perilla can potentially be grown indoors in St. Louis 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 St. Louis?
Plant Perilla in St. Louis during April, May, June, July. These are the optimal months based on St. Louis's USDA Zone 4 climate, 210 frost-free days, and temperature range of -6°C to 32°C.
Is perilla hard to grow in St. Louis?
Perilla is rated "medium" to grow in St. Louis. Some gardening experience is helpful. Pay attention to watering schedules and planting timing. The climate match for Perilla in St. Louis is Moderate.
What grows well with perilla in St. Louis?
In St. Louis, 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 St. Louis's Zone 4 climate.
Does perilla need full sun in St. Louis?
Perilla requires full sun to partial shade. Perilla tolerates lower light. In St. Louis, a spot with filtered or indirect light for 2-4 hours works well.