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Hydrangea or alternative to plant in north facing landscape

Posted by PghDave 6B (My Page) on
Thu, May 16, 13 at 9:40

Looking for some help with choosing a flowering shrub to finish my landscape here... The spot where the rocks are is where I am looking to plant. It gets direct sun until about 10:00a.m. Will that be enough for a hydrangea to do well in my area (Pgh,PA)? If so, do some varieties do better with less direct sun? Are there any other favorite flowering shrubs that do well in partial shade you might recommend?


Follow-Up Postings:

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RE: Hydrangea or alternative to plant in north facing landscape

Yes, that should be fine and enough to produce good bloomage. I grow some hydrangeas on the north side with no direct sun; the area around the plants is brightly lit by the sun though so, I would say my shaded area has a "bright" shade.

The space on the picture may be tight for many hydrangeas though. But it hard to tell the dimensions from the picture.

Measure how wide can the plant be without touching the existing shrubbery but assume the existing shrubbery has reached their mature sizes. For example, if those shrubs will get 1 feet wide when mature and that shrinks the available space down to 3 feet, look for hydrangeas that get no wider than 3' when mature.

You usually want the hydrangea's width to fit in the planting space with some leeway... some separation between the hydrangea and the other plants. This improves the air flow between plants and minimizes fungal infections on the leaves.


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RE: Hydrangea or alternative to plant in north facing landscape

There's about 4.5-5' from the house. Any favorite varieties that I could try? I put a Glowing Embers in my back yard that seems happy. It has 10 or so buds.


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RE: Hydrangea or alternative to plant in north facing landscape

I'd throw an ES, Penny Mac, or David Ramsey there. A Nikko would also do well against a building but may grow past the window...

I have ES against an addition room that's just as wide as the wall in your pic with two windows in the exact same spots, all facing north. They do great there!


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RE: Hydrangea or alternative to plant in north facing landscape

A rebloomer would "change" things as new blooms appear and old ones are deadheaded.

Just wondering... how many sets of blooms for a complete growing season do you guys get from rebloomers in PA? One around late May maybe? Plus how many more? Two more?


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RE: Hydrangea or alternative to plant in north facing landscape

I'd say two cycles total, in most cases. Late May would be right, then anywhere from July-Sept. depending on how much rain, etc. Right now everything in my yard has up to 1" florets, but nothing larger. So it will probably be June before any actual color is seen.

Garaged pots did break dormancy in March, and they're just starting to bloom now.

Imagine there'd be three cycles, if everything broke dormancy in March, got plenty of rain, and encountered no other adverse conditions through October...


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RE: Hydrangea or alternative to plant in north facing landscape

Penny Mac in. Thanks for the advice!


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RE: Hydrangea or alternative to plant in north facing landscape

Looks good! My PM is right on the northeast corner as well - didn't suffer much dieback and there are tons of buds on old and new wood. That one there will likely bloom a second time once you cut the spent ones off in a month or so. Congrats...


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