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