How to propagate hydrangeas (very thorough description for the home gardener)
how to root a hydragnea
Hydrangea Propagation Regrow Hydrangea From Cutting: Growing Your own hydrangeas from cutting stems and change their colors pink and blue. #Tips #Gardening -->> http://www.diyhowto.org/hydrangea-propagation-regrow-hydrangea-from-cutting/
Grow Hydrangea From Cutting I usually just stick "cuttings" that the dog has broken off in a jar of water on my kitchen counter, then plant when they start to root. This looks more scientific.
Bulb planting depths vary depending on their size and species; but as a rule of thumb, most bulbs can be planted at a depth of approximately 3 times their own height.
Rooting Hydrangea Cuttings. Great Hydrangea Idea
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how to propagate hydrangeas from cuttings @learningandyearning / http://learningandyearning.com/propagating-hydrangeas-from-cuttings
illustration of how to use layering method to get more hydrangea shrubs out of one, all about hydrangeas
How to propagate hydrangeas with very little effort!! Wow, I love the makeshift greenhouse idea too.