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Growing Lime in Johannesburg

🇿🇦 Zone 7 Planting Guide · Subtropical highland climate

USDA Zone 7 290 frost-free days 365-730 days to harvest

Quick Answer: Growing Lime in Johannesburg

Yes, you can grow Lime 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 Lime takes 365-730 days to harvest. Lime needs full sun and regular watering.

Climate Match Analysis

Moderate Match Johannesburg + Lime

Johannesburg's climate requires careful timing. Winter lows (4°C) drop below Lime's minimum (8°C), so avoid cold months. Follow the recommended planting months for success.

Lime tolerates 8°C to 38°C
Optimal: 20°C - 32°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

Lime Planting Calendar for Johannesburg

Green months show the best time to plant Lime in Johannesburg

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

Lime Growing Requirements

☀️

Sunlight

Full Sun

6+ hours direct sunlight

💧

Water

Regular

Consistent moisture, 1-2 inches/week

📅

Days to Harvest

365-730

From planting to first harvest

📊

Difficulty

medium

Some experience helpful

💡 Growing Tips for Lime

More cold-sensitive than lemons. Excellent container plant. Wait until soil warms to at least 20°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: Lime is NOT frost tolerant — wait until after the last frost in Johannesburg.

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

Lime thrives in temperatures between 20°C and 32°C, requiring full sun and regular watering. In Johannesburg, the best months to plant Lime are August, September, October, November. Lime is not frost tolerant, so it's important to wait until after the last spring frost before transplanting outdoors. Expect to harvest in approximately 365-730 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 Lime in Johannesburg

Keep Exploring

Frequently Asked Questions

Can I grow lime in Johannesburg?

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

When should I plant lime in Johannesburg?

In Johannesburg, the recommended planting months for Lime 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 Lime is not frost tolerant, make sure to plant after the last frost date.

How long does lime take to grow in Johannesburg?

Lime typically takes 365-730 days from planting to harvest. In Johannesburg's Subtropical highland climate with 290 frost-free days, you have plenty of time to grow Lime to maturity. More cold-sensitive than lemons. Excellent container plant. Wait until soil warms to at least 20°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 lime indoors in Johannesburg?

Lime 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 Aug, Sep, Oct, Nov outdoor planting window. Use containers with good drainage and regular watering.

What month do I plant lime in Johannesburg?

Plant Lime 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 lime hard to grow in Johannesburg?

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

What grows well with lime in Johannesburg?

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

Lime 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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