Time to Prepare Hydrangeas for Winter

It happened again – sudden freezing temps hit before my hydrangeas had a chance to harden off. Not a frost, but a solid freeze at 27 F that turned the birdbath turned into a skating rink. So sad to go outside and see what those temps did to my big leaf and mountain hydrangeas. Time…

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Report on 2020 Winter Impact on Hydrangeas

Hydrangea Macrophylla Blue Wave

It’s time to report on 2020 winter impact on my hydrangeas, a little later than I would have liked. I test both new and old introductions to the big leaf (macrophylla) and mountain (serrata) hydrangea families. Invariably, some plants produce few or no flowers. Then I examine why that happened. You can read previous reports…

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HYDRANGEA CARE in JULY: Make your plants thrive

Landscape Hydrangeas

You should be having a fabulous hydrangea year. The relatively mild winter and forgiving spring is giving gardeners in the Northeast a fantastic show. Just about every big leaf hydrangea (macrophylla) is flowering. If your plants aren’t performing, take a minute to read a post I just did  for the National Garden Bureau. In July it’s…

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PRUNING YOUR HYDRANGEAS

Hydrangea Paniculata 'Tickled Pink' Mid-Season

If your hydrangeas live in the milder parts of the U.S. and Europe, and the spirit moves you, you can consider pruning only your new wood blooming hydrangeas now. It’s hard to conceive of that when you live where I do. Last March we had 3 Nor’easters. Not only did they bury everything, but the…

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Hydrangea Leaf Spots

Leaf spots on hydrangea

On my recent garden visits, I’ve noted an abundance of unsightly foliage and hydrangea leaf spots. They can be bacterial leaf spot from an infection by Xanthomonas campestris, or Cercospora which grows from the pathogen Cercospora hydrangeae. I’m also seeing powdery mildew on many plants. You can thank Erysiphe friesii var. friesii (formerly Microsphaera friesii).…

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Pruning Your Old Wood Hydrangeas

Is it time to prune this big leaf hydrangea or time to wait?

Pruning your old wood hydrangeas may be possible now. But not all of them which is a source of much confusion.Which ones should you examine for this task? Your old wood plants include big leaf hydrangeas (macrophylla), mountain hydrangeas (serrata), oak leaf hydrangeas (quercifolia),  and climbing hydrangeas (petiolaris). Even if your plant is a rebloomer…

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Preparing Your Hydrangeas For Winter

Winter view of ornamental grass

It’s time to start preparing your hydrangeas for winter. With autumn’s official start right around the corner on September 22, it’ a good time to start to get your plants ready for winter while the weather is still pleasant and mild.

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Pinch Prune Your Hydrangeas

Big Leaf hydrangea in mid-season

Just when you thought you were finished w/pruning your hydrangeas, now I tell you it’s time to “pinch prune” them. But wait – someone said I’m not supposed to cut them at all! Yes and no.

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