These estimates for how long Cyanea knudsenii 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 Cyanea knudsenii to germinate?
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Days to Transplant How long until I can plant out Cyanea knudsenii?
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Days to Maturity How long until Cyanea knudsenii is ready for harvest / bloom?
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Total Growing Days How long does it take to grow Cyanea knudsenii?