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How to make new rose, lavender, and rosemary plants from cuttings & mini-greenhouses. Some plants, like willow, make their own rooting hormones. If you soak willow branch cuttings in water, that infusion encourages rooting as much as expensive root hormone powder does.
Propogating rosemary and basil - I picked up some sticks of 'fresh' rosemary from the grocery store, trimmed a few inches up from the stick, and stuck in a shot glass of water. We'll see how they do - 2 days in, and they haven't gone limp leaved or brown, so...
We were talking about this at the last meeting. Propagating basil is really just as simple as cutting, stripping the lower leaves and keeping it in a water for a few weeks. Viola, a ready to plant basil and the mother plant will usually benefit from the trim.