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