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