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