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