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