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