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