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