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🥬 Vegetable easy

Growing Radish in Melbourne

🇦🇺 Zone 8 Planting Guide · Oceanic / Marine west coast climate

USDA Zone 8 300 frost-free days 22-30 days to harvest

Quick Answer: Growing Radish in Melbourne

Yes, you can grow Radish in Melbourne, AU! Plant during Apr, May, Jun, Jul, Aug for best results. Melbourne is in USDA Zone 8 with a Oceanic / Marine west coast climate, offering 300 frost-free days per year. The difficulty level is easy, and Radish takes 22-30 days to harvest. Radish needs full sun and regular watering.

Climate Match Analysis

Moderate Match Melbourne + Radish

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

Radish tolerates 2°C to 24°C
Optimal: 10°C - 18°C
Melbourne range 5°C to 26°C

Melbourne Climate Data

USDA Zone
8
Frost-Free
300days
Winter Low
5°C
Summer High
26°C
Rainfall
648mm/yr
Climate
Cfb
Oceanic / Marine west coast

Radish Planting Calendar for Melbourne

Green months show the best time to plant Radish in Melbourne

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

Radish 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

22-30

From planting to first harvest

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Difficulty

easy

Great for beginners

💡 Growing Tips for Radish

Sow directly. Don't let soil dry out or roots will be pithy. 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: Radish is frost tolerant — you can plant earlier in spring.

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Companion Plants for Radish

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

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Grow Radish Indoors

No garden? Learn how to grow Radish indoors with our complete guide

How to Grow Radish in Melbourne

Melbourne, AU is in USDA Hardiness Zone 8 with a Oceanic / Marine west coast climate (Köppen Cfb). With winter lows of 5°C and summer highs of 26°C, the growing season spans approximately 300 frost-free days. Radish is one of the easiest plants to grow in this climate.

Radish thrives in temperatures between 10°C and 18°C, requiring full sun and regular watering. In Melbourne, the best months to plant Radish are April, May, June, July, August. Since Radish can tolerate frost, you have flexibility to plant earlier in the season or extend into cooler months. Expect to harvest in approximately 22-30 days after planting.

With 648mm of annual rainfall, Melbourne provides moderate natural moisture. You'll likely need to supplement with regular watering, especially during the growing season.

Other Plants That Grow in Melbourne

More plants you can grow alongside Radish in Melbourne

Keep Exploring

Frequently Asked Questions

Can I grow radish in Melbourne?

Yes! Radish can be successfully grown in Melbourne, AU. Melbourne is in USDA Hardiness Zone 8 with a Oceanic / Marine west coast climate. The difficulty level for growing Radish here is rated "easy". The best months to plant are April, May, June, July, August.

When should I plant radish in Melbourne?

In Melbourne, the recommended planting months for Radish are April, May, June, July, August. Melbourne has 300 frost-free days per year, with winter lows of 5°C and summer highs of 26°C. Radish is frost tolerant, giving you more flexibility with planting dates.

How long does radish take to grow in Melbourne?

Radish typically takes 22-30 days from planting to harvest. In Melbourne's Oceanic / Marine west coast climate with 300 frost-free days, you have plenty of time to grow Radish to maturity. Sow directly. Don't let soil dry out or roots will be pithy. 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 radish indoors in Melbourne?

Radish can potentially be grown indoors in Melbourne 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 radish in Melbourne?

Plant Radish in Melbourne during April, May, June, July, August. These are the optimal months based on Melbourne's USDA Zone 8 climate, 300 frost-free days, and temperature range of 5°C to 26°C.

Is radish hard to grow in Melbourne?

Radish is rated "easy" to grow in Melbourne. This is a great choice for beginners — it is forgiving and adapts well to this climate. The climate match for Radish in Melbourne is Moderate.

What grows well with radish in Melbourne?

In Melbourne, you can grow many companion plants alongside Radish. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in Melbourne's Zone 8 climate.

Does radish need full sun in Melbourne?

Radish requires full sun. In Melbourne, 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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