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Climbing Hydrangea
This can be one monstrous plant if allowed to develop.
Climbs Anything
It never met a tree or wall it didnt like to climb and having seen some that reach into the 60 tall range in full flower, I can tell you they are spectacular while in bloom.
It grows in full sun to part shade and seems to grow best in part shade.
Hardiness Of Climbing Hydrangea
It is hardy from USDA zones 4 through 7 (warmer climates dont give it the dormancy it wants to create flower buds).
It holds onto structures by twining as well as rootlike holdfasts that attach themselves to almost any roughened surface.
Takes Time To Develop
Climbing hydrangea is a slow plant to establish itself.
The old nursery line that it sleeps, it creeps, it leaps applies to this plant very well. Once the roots are established, (and this can take several years) it will grow very quickly. I regularly get queries asking why this plant doesnt grow well after 2-3 years and the answer is always the same, Wait and did you plant it properly in good soil? (see below).
If you didnt add lots of compost at planting time, start putting several shovels full around the plant every spring.
The white flowers start in late June to early July and last for 2-3 weeks before browning.
Big Hole
Youll want to install this vine in your best soil. It wants a very fertile soil, high in organic matter, well-drained with no standing water. Do not simply dig a hole and put this vine in and expect it to grow. Dig a bushel basket sized hole, make the best soil you can by adding at least one shovel of compost and one shovel of peat for every three shovels of soil you put back into the hole.You can propagate climbing hydrangea by cuttings but it is not easy get growth before the stems turn brown. Good seed germinates reliably and youll get some as soon as you have flowers.
Do you have a question about Climbing Hydrangea?
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