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Growing Radish in Las Vegas

🇺🇸 Zone 7 Planting Guide · Hot desert climate

USDA Zone 7 280 frost-free days 22-30 days to harvest

Quick Answer: Growing Radish in Las Vegas

Yes, you can grow Radish in Las Vegas, US! Plant during Oct, Nov for best results. Las Vegas is in USDA Zone 7 with a Hot desert climate, offering 280 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 Las Vegas + Radish

Las Vegas's climate requires careful timing. Summer highs (40°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
Las Vegas range 2°C to 40°C

Las Vegas Climate Data

USDA Zone
7
Frost-Free
280days
Winter Low
2°C
Summer High
40°C
Rainfall
110mm/yr
Climate
BWh
Hot desert

Radish Planting Calendar for Las Vegas

Green months show the best time to plant Radish in Las Vegas

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 Las Vegas

Las Vegas, US is in USDA Hardiness Zone 7 with a Hot desert climate (Köppen BWh). With winter lows of 2°C and summer highs of 40°C, the growing season spans approximately 280 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 Las Vegas, the best months to plant Radish are October, November. 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.

Las Vegas receives only 110mm of annual rainfall, so consistent irrigation will be essential for growing Radish successfully.

Other Plants That Grow in Las Vegas

More plants you can grow alongside Radish in Las Vegas

Keep Exploring

Frequently Asked Questions

Can I grow radish in Las Vegas?

Yes! Radish can be successfully grown in Las Vegas, US. Las Vegas is in USDA Hardiness Zone 7 with a Hot desert climate. The difficulty level for growing Radish here is rated "easy". The best months to plant are October, November.

When should I plant radish in Las Vegas?

In Las Vegas, the recommended planting months for Radish are October, November. Las Vegas has 280 frost-free days per year, with winter lows of 2°C and summer highs of 40°C. Radish is frost tolerant, giving you more flexibility with planting dates.

How long does radish take to grow in Las Vegas?

Radish typically takes 22-30 days from planting to harvest. In Las Vegas's Hot desert climate with 280 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 Las Vegas?

Radish can potentially be grown indoors in Las Vegas 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 Oct, Nov outdoor planting window. Use containers with good drainage and regular watering.

What month do I plant radish in Las Vegas?

Plant Radish in Las Vegas during October, November. These are the optimal months based on Las Vegas's USDA Zone 7 climate, 280 frost-free days, and temperature range of 2°C to 40°C.

Is radish hard to grow in Las Vegas?

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

What grows well with radish in Las Vegas?

In Las Vegas, 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 Las Vegas's Zone 7 climate.

Does radish need full sun in Las Vegas?

Radish requires full sun. In Las Vegas, provide at least 6 hours of direct sunlight daily. During peak summer heat, some afternoon shade can help prevent heat stress.

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

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