These estimates for how long Purple-flowered onion takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.
Days to Germination How long does it take Purple-flowered onion to germinate?
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Days to Transplant How long until I can plant out Purple-flowered onion?
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Days to Maturity How long until Purple-flowered onion is ready for harvest / bloom?
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Total Growing Days How long does it take to grow Purple-flowered onion?