#short day onions

Learn when to plant onions in San Diego with specific dates for Zone 10b. Compare 6 varieties, get planting timeline, and discover which onions thrive in Southern California.

Learn when to plant onions in Phoenix with specific dates for Zone 9b. Compare 6 varieties, get a complete timeline, and discover which onions grow best in Arizona.

Plant onions in Houston October-December for spring harvest. Zone 9a requires short-day varieties like Texas Super Sweet for proper bulbing.