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