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