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Can You Grow Onion in Rhode Island?
US · USDA Zone 6b · zones 6a, 6b
Onions grow well here — plant sets or transplants in early spring for a summer harvest.
Plant zones
Rhode Island last frost
Rhode Island first frost
Days to harvest
When to plant Onions in Rhode Island
Start indoors
Transplant
Harvest
Dates are approximate, based on Rhode Island's average frost dates. Your exact yard may vary by microclimate.
About Onion
Onions are a staple crop that stores well and can be grown as sets transplants or from seed.
Growing from sets is easiest for beginners. Plant in early spring — onions are frost-tolerant. Day-length sensitive — choose short-day long-day or day-neutral varieties based on your latitude.
Gardening in Rhode Island
Rhode Island has a humid continental climate moderated by the ocean. A small state with a single primary zone of 6b in most areas. Four seasons with a productive growing window.
Frequently asked questions
Can you grow Onion in Rhode Island?
Onions grow well here — plant sets or transplants in early spring for a summer harvest.
What zone is Rhode Island?
Rhode Island spans USDA Zone 6b (6a, 6b).
When do you plant Onions in Rhode Island?
Plant Onions around mid-March (start indoors Jan 17), harvest Jun 13 – Jul 13.