Hydrangeas forum→Gatsby Star hydrangea

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Name: Rose
Oquawka, IL (Zone 5a)
Garden Photography Echinacea Dahlias Clematis Region: Illinois Hibiscus
Heucheras Charter ATP Member Birds Hummingbirder Hostas Celebrating Gardening: 2015
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Rose1656
Jun 12, 2020 6:55 AM CST
I have a Gatsby Star hydrangea that is tall and "leggy ". I'd like to keep it more compact. When is a good time to prune these back? Would it survive a hard pruning? I'd like to trim it to about half the height it is now. Any advice would be greatly appreciated.

Thumb of 2020-06-12/Rose1656/ffabec

Name: Luis
Hurst, TX, U.S.A. (Zone 8a)
Dog Lover Region: Texas Salvias Roses Hibiscus Plumerias
luis_pr
Jun 13, 2020 12:09 AM CST
As soon as the blooms turn greenish, you can give it a prune. Or if you get tired of the white blooms, you can start to prune a little. If you are going to do a lot of pruning, it may be best to do it when the plant is dormant in winter and limit the pruning to about 1/3 of the plant per growing season (you can do another third in another year and the remaining 1/3 on the next year).

Pruning normally makes the plant go into "grow mode" and we are close to summer, a time when you do not want to be in grow mode unless your summer temps are not too hot.

The plant in the picture looks fine to me though. It typically gets 6-8' and looks to be under that in the picture. It also gets 6-8' wide. It appears to be close to other plants and may be eventually grow "too much" too close (guesstimate measuring 3' in every direction coming from the base of the stems). Hydrangea Pee Wee would stay more in check (3-4' tall and 3' wide) and away from the other plants.
Name: Rose
Oquawka, IL (Zone 5a)
Garden Photography Echinacea Dahlias Clematis Region: Illinois Hibiscus
Heucheras Charter ATP Member Birds Hummingbirder Hostas Celebrating Gardening: 2015
Image
Rose1656
Jun 13, 2020 5:59 AM CST
Thank you!

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