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🥬 Vegetable medium

Growing Pea in Johannesburg

🇿🇦 Zone 7 Planting Guide · Subtropical highland climate

USDA Zone 7 290 frost-free days 55-70 days to harvest

Quick Answer: Growing Pea in Johannesburg

Yes, you can grow Pea in Johannesburg, ZA! Plant during Apr, May, Jun, Jul, Aug 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 Pea takes 55-70 days to harvest. Pea needs full sun and regular watering.

Climate Match Analysis

Moderate Match Johannesburg + Pea

Johannesburg's climate requires careful timing. Summer highs (26°C) exceed Pea's maximum (24°C), so plant early or provide shade. Follow the recommended planting months for success.

Pea tolerates -2°C to 24°C
Optimal: 8°C - 18°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

Pea Planting Calendar for Johannesburg

Green months show the best time to plant Pea in Johannesburg

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

Pea Growing Requirements

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Sunlight

Full Sun

6+ hours direct sunlight

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Water

Regular

Consistent moisture, 1-2 inches/week

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Days to Harvest

55-70

From planting to first harvest

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Difficulty

medium

Some experience helpful

💡 Growing Tips for Pea

Inoculate seeds with nitrogen-fixing bacteria. Provide support for climbing varieties. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Aim for about 2.5 cm of water per week, adjusting for rainfall. Organic mulch around the base helps maintain even moisture.

Frost tolerance: Pea is frost tolerant — you can plant earlier in spring.

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Companion Plants for Pea

Find out which plants grow best alongside Pea — and which to keep apart

How to Grow Pea 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. Pea grows well with some gardening knowledge in this climate.

Pea thrives in temperatures between 8°C and 18°C, requiring full sun and regular watering. In Johannesburg, the best months to plant Pea are April, May, June, July, August. Since Pea can tolerate frost, you have flexibility to plant earlier in the season or extend into cooler months. Expect to harvest in approximately 55-70 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 Pea in Johannesburg

Keep Exploring

Frequently Asked Questions

Can I grow pea in Johannesburg?

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

When should I plant pea in Johannesburg?

In Johannesburg, the recommended planting months for Pea are April, May, June, July, August. Johannesburg has 290 frost-free days per year, with winter lows of 4°C and summer highs of 26°C. Pea is frost tolerant, giving you more flexibility with planting dates.

How long does pea take to grow in Johannesburg?

Pea typically takes 55-70 days from planting to harvest. In Johannesburg's Subtropical highland climate with 290 frost-free days, you have plenty of time to grow Pea to maturity. Inoculate seeds with nitrogen-fixing bacteria. Provide support for climbing varieties. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. 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 pea indoors in Johannesburg?

Pea can potentially be grown indoors in Johannesburg with proper conditions. It requires full sun (6+ hours of direct light — a south-facing window or grow lights recommended). Indoor growing extends your season beyond the Apr, May, Jun, Jul, Aug outdoor planting window. Use containers with good drainage and regular watering.

What month do I plant pea in Johannesburg?

Plant Pea in Johannesburg during April, May, June, July, August. 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 pea hard to grow in Johannesburg?

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

What grows well with pea in Johannesburg?

In Johannesburg, you can grow many companion plants alongside Pea. 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 pea need full sun in Johannesburg?

Pea requires full sun. In Johannesburg, provide at least 6 hours of direct sunlight daily. Most garden locations with southern exposure will work well.

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

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