🧅 Can I Plant Green Onion in Arlington, TX?
Temperature conditions are suitable for Green Onion. Highs near 104°F are on the warm side — make sure plants have plenty of water.
Growing Green Onion in Arlington
Arlington, between Dallas and Fort Worth in Zone 8a, enjoys a long growing season of about 245 days. The clay-heavy North Texas soil benefits from annual organic matter additions, but once amended it supports excellent vegetable production. Fall gardening from September is outstanding, and the spring window from March through June before summer heat peaks is highly productive for warm-season crops.
In Arlington (last frost around March 15), green onion can go out around February — approximately 4 weeks before the last expected frost, making it an early-season opportunity. Starting seeds indoors 8 weeks before the last frost date gives you a significant head start.
Green Onion thrives between 50°F and 80°F. It tolerates temperatures as low as 35°F, making it a candidate for early spring planting before the last frost date. Expect 60–80 days from transplant to first harvest. Easy and fast. Direct sow in early spring or fall. Harvest young.
Frequently Asked Questions
When can I plant green onion in Arlington, TX?
In Arlington (last frost around March 15), green onion can go out around February — approximately 4 weeks before the last expected frost, making it an early-season opportunity. For best results, start seeds indoors 8 weeks before that — giving you strong transplants ready to go out at the right time.
What is the USDA hardiness zone for Arlington?
Arlington, TX is in USDA Plant Hardiness Zone 8a. The last expected spring frost is around March 15, and the first fall frost arrives around November 17. This zone classification helps you understand which perennials survive winter and when annual vegetables can safely go outdoors.
Is it safe to plant green onion outside in Arlington right now?
That depends on the current weather forecast. Green Onion needs temperatures above 35°F (ideally 50–80°F) to thrive. CanIPlant checks your real 7-day forecast and any active frost alerts to give you a live YES, NO, or WAIT answer — just enter your ZIP code.
Can I grow green onion in Arlington 2026?
Yes — Green Onion grows well in Arlington, TX. With a Zone 8a climate and a growing season of ~247 days, Arlington is well-suited for warm-season crops like green onion. As a frost-tolerant crop, green onion can even go out a few weeks before the last frost date.
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