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Growing Perilla in Johannesburg

🇿🇦 Zone 7 Planting Guide · Subtropical highland climate

USDA Zone 7 290 frost-free days 50-70 days to harvest

Quick Answer: Growing Perilla in Johannesburg

Yes, you can grow Perilla in Johannesburg, ZA! Plant during Aug, Sep, Oct, Nov for best results. Johannesburg is in USDA Zone 7 with a Subtropical highland climate, offering 290 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 Johannesburg + Perilla

Johannesburg's climate requires careful timing. Winter lows (4°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
Johannesburg range 4°C to 26°C

Johannesburg Climate Data

USDA Zone
7
Frost-Free
290days
Winter Low
4°C
Summer High
26°C
Rainfall
713mm/yr
Climate
Cwb
Subtropical highland

Perilla Planting Calendar for Johannesburg

Green months show the best time to plant Perilla in Johannesburg

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

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Water

Regular

Consistent moisture, 1-2 inches/week

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Days to Harvest

50-70

From planting to first harvest

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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 Johannesburg.

How to Grow Perilla in Johannesburg

Johannesburg, ZA is in USDA Hardiness Zone 7 with a Subtropical highland climate (Köppen Cwb). With winter lows of 4°C and summer highs of 26°C, the growing season spans approximately 290 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 Johannesburg, the best months to plant Perilla are August, September, October, November. 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.

With 713mm of annual rainfall, Johannesburg provides moderate natural moisture. You'll likely need to supplement with regular watering, especially during the growing season.

Other Plants That Grow in Johannesburg

More plants you can grow alongside Perilla in Johannesburg

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Frequently Asked Questions

Can I grow perilla in Johannesburg?

Yes! Perilla can be successfully grown in Johannesburg, ZA. Johannesburg is in USDA Hardiness Zone 7 with a Subtropical highland climate. The difficulty level for growing Perilla here is rated "medium". The best months to plant are August, September, October, November.

When should I plant perilla in Johannesburg?

In Johannesburg, the recommended planting months for Perilla are August, September, October, November. Johannesburg has 290 frost-free days per year, with winter lows of 4°C and summer highs of 26°C. Since Perilla is not frost tolerant, make sure to plant after the last frost date.

How long does perilla take to grow in Johannesburg?

Perilla typically takes 50-70 days from planting to harvest. In Johannesburg's Subtropical highland climate with 290 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 Johannesburg?

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

What month do I plant perilla in Johannesburg?

Plant Perilla in Johannesburg during August, September, October, November. These are the optimal months based on Johannesburg's USDA Zone 7 climate, 290 frost-free days, and temperature range of 4°C to 26°C.

Is perilla hard to grow in Johannesburg?

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

What grows well with perilla in Johannesburg?

In Johannesburg, 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 Johannesburg's Zone 7 climate.

Does perilla need full sun in Johannesburg?

Perilla requires full sun to partial shade. Perilla tolerates lower light. In Johannesburg, 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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