Growing Kohlrabi in Phoenix
🇺🇸 Zone 8 Planting Guide · Hot desert climate
Quick Answer: Growing Kohlrabi in Phoenix
Yes, you can grow Kohlrabi in Phoenix, US! Plant during Oct, Nov for best results. Phoenix is in USDA Zone 8 with a Hot desert climate, offering 340 frost-free days per year. The difficulty level is medium, and Kohlrabi takes 45-60 days to harvest. Kohlrabi needs full sun and regular watering.
Climate Match Analysis
Phoenix's climate requires careful timing. Summer highs (41°C) exceed Kohlrabi's maximum (24°C), so plant early or provide shade. Follow the recommended planting months for success.
Phoenix Climate Data
Kohlrabi Planting Calendar for Phoenix
Green months show the best time to plant Kohlrabi in Phoenix
Kohlrabi Growing Requirements
Sunlight
Full Sun
6+ hours direct sunlight
Water
Regular
Consistent moisture, 1-2 inches/week
Days to Harvest
45-60
From planting to first harvest
Difficulty
Some experience helpful
💡 Growing Tips for Kohlrabi
Harvest when tennis-ball sized. Larger ones become woody. 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: Kohlrabi is frost tolerant — you can plant earlier in spring.
How to Grow Kohlrabi in Phoenix
Phoenix, US is in USDA Hardiness Zone 8 with a Hot desert climate (Köppen BWh). With winter lows of 5°C and summer highs of 41°C, the growing season spans approximately 340 frost-free days. Kohlrabi grows well with some gardening knowledge in this climate.
Kohlrabi thrives in temperatures between 10°C and 20°C, requiring full sun and regular watering. In Phoenix, the best months to plant Kohlrabi are October, November. Since Kohlrabi can tolerate frost, you have flexibility to plant earlier in the season or extend into cooler months. Expect to harvest in approximately 45-60 days after planting.
Phoenix receives only 203mm of annual rainfall, so consistent irrigation will be essential for growing Kohlrabi successfully.
Other Plants That Grow in Phoenix
More plants you can grow alongside Kohlrabi in Phoenix
Keep Exploring
Frequently Asked Questions
Can I grow kohlrabi in Phoenix?
Yes! Kohlrabi can be successfully grown in Phoenix, US. Phoenix is in USDA Hardiness Zone 8 with a Hot desert climate. The difficulty level for growing Kohlrabi here is rated "medium". The best months to plant are October, November.
When should I plant kohlrabi in Phoenix?
In Phoenix, the recommended planting months for Kohlrabi are October, November. Phoenix has 340 frost-free days per year, with winter lows of 5°C and summer highs of 41°C. Kohlrabi is frost tolerant, giving you more flexibility with planting dates.
How long does kohlrabi take to grow in Phoenix?
Kohlrabi typically takes 45-60 days from planting to harvest. In Phoenix's Hot desert climate with 340 frost-free days, you have plenty of time to grow Kohlrabi to maturity. Harvest when tennis-ball sized. Larger ones become woody. 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 kohlrabi indoors in Phoenix?
Kohlrabi can potentially be grown indoors in Phoenix 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 kohlrabi in Phoenix?
Plant Kohlrabi in Phoenix during October, November. These are the optimal months based on Phoenix's USDA Zone 8 climate, 340 frost-free days, and temperature range of 5°C to 41°C.
Is kohlrabi hard to grow in Phoenix?
Kohlrabi is rated "medium" to grow in Phoenix. Some gardening experience is helpful. Pay attention to watering schedules and planting timing. The climate match for Kohlrabi in Phoenix is Moderate.
What grows well with kohlrabi in Phoenix?
In Phoenix, you can grow many companion plants alongside Kohlrabi. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in Phoenix's Zone 8 climate.
Does kohlrabi need full sun in Phoenix?
Kohlrabi requires full sun. In Phoenix, provide at least 6 hours of direct sunlight daily. During peak summer heat, some afternoon shade can help prevent heat stress.