Growing Green Onion in Phoenix
🇺🇸 Zone 8 Planting Guide · Hot desert climate
Quick Answer: Growing Green Onion in Phoenix
Yes, you can grow Green Onion 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 easy, and Green Onion takes 20-30 days to harvest. Green Onion needs full sun and regular watering.
Climate Match Analysis
Phoenix's climate requires careful timing. Summer highs (41°C) exceed Green Onion's maximum (28°C), so plant early or provide shade. Follow the recommended planting months for success.
Phoenix Climate Data
Green Onion Planting Calendar for Phoenix
Green months show the best time to plant Green Onion in Phoenix
Green Onion Growing Requirements
Sunlight
Full Sun
6+ hours direct sunlight
Water
Regular
Consistent moisture, 1-2 inches/week
Days to Harvest
20-30
From planting to first harvest
Difficulty
Great for beginners
💡 Growing Tips for Green Onion
Can regrow from store-bought roots in water. Succession plant every 2 weeks. 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: Green Onion is frost tolerant — you can plant earlier in spring.
How to Grow Green Onion 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. Green Onion is one of the easiest plants to grow in this climate.
Green Onion thrives in temperatures between 10°C and 22°C, requiring full sun and regular watering. In Phoenix, the best months to plant Green Onion are October, November. Since Green Onion can tolerate frost, you have flexibility to plant earlier in the season or extend into cooler months. Expect to harvest in approximately 20-30 days after planting.
Phoenix receives only 203mm of annual rainfall, so consistent irrigation will be essential for growing Green Onion successfully.
Other Plants That Grow in Phoenix
More plants you can grow alongside Green Onion in Phoenix
Keep Exploring
Frequently Asked Questions
Can I grow green onion in Phoenix?
Yes! Green Onion can be successfully grown in Phoenix, US. Phoenix is in USDA Hardiness Zone 8 with a Hot desert climate. The difficulty level for growing Green Onion here is rated "easy". The best months to plant are October, November.
When should I plant green onion in Phoenix?
In Phoenix, the recommended planting months for Green Onion are October, November. Phoenix has 340 frost-free days per year, with winter lows of 5°C and summer highs of 41°C. Green Onion is frost tolerant, giving you more flexibility with planting dates.
How long does green onion take to grow in Phoenix?
Green Onion typically takes 20-30 days from planting to harvest. In Phoenix's Hot desert climate with 340 frost-free days, you have plenty of time to grow Green Onion to maturity. Can regrow from store-bought roots in water. Succession plant every 2 weeks. 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 green onion indoors in Phoenix?
Green Onion 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 green onion in Phoenix?
Plant Green Onion 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 green onion hard to grow in Phoenix?
Green Onion is rated "easy" to grow in Phoenix. This is a great choice for beginners — it is forgiving and adapts well to this climate. The climate match for Green Onion in Phoenix is Moderate.
What grows well with green onion in Phoenix?
In Phoenix, you can grow many companion plants alongside Green Onion. 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 green onion need full sun in Phoenix?
Green Onion 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.