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Vacherie
LSU Fan
Baton Rouge
Member since Dec 2017
228 posts

Have You Had Success Growing Hydrangeas?
I’m in south Louisiana and would like to know the secret to successfully growing Hydrangeas. I just bought 25 plants online and they will be arriving in 2 weeks. I hear they need morning sun but how much sun can they take? I’m thinking about putting them in large pots and placing them around my porch.


bayoubengals88
Wisconsin Fan
LA
Member since Sep 2007
13353 posts

re: Have You Had Success Growing Hydrangeas?
quote:

I hear they need morning sun but how much sun can they take? I’m thinking about putting them in large pots and placing them around my porch.


That will be your best approach. They can’t take any direct sun AT ALL. Wilt city.
Filtered morning sun should be ok.

Mine were getting morning sun, but just 90 minutes of direct sun from 12:30 to 2:00 was enough to where they were struggling to bounce back by the next morning.

They are now in pots and indoors. A friend of mine said they’re all over the place in Scotland where it’s often cloudy and rarely exceeds 70 degrees.

If it thrives in Scotland it probably won’t thrive during Louisiana summers.


bayoubengals88
Wisconsin Fan
LA
Member since Sep 2007
13353 posts

re: Have You Had Success Growing Hydrangeas?
You got me curious so I got up to look...
Even indoors it’s not doing so great next to a window with part sun this morning.

It was doing really well in a fairly dark room a few days ago. Just moved it back...

Shade lovers!


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CrawDude
LSU Fan
Baton Rouge
Member since Apr 2019
1910 posts

re: Have You Had Success Growing Hydrangeas?
What kind of hydrangeas did you buy? There are several different types that do have different growing requirements.
This post was edited on 4/3 at 12:20 pm


TheBoo
Nicholls St. Fan
South to Louisiana
Member since Aug 2012
2621 posts

re: Have You Had Success Growing Hydrangeas?
quote:

That will be your best approach. They can’t take any direct sun AT ALL. Wilt city.
Filtered morning sun should be ok.


THIS. They like a dose of morning sun but after around 09:30 - 10:00 they will start drooping. I transplanted some a few months ago and they are getting ready to bloom for the first time.


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BlackenedOut
The Big Sleazy
Member since Feb 2011
5227 posts

re: Have You Had Success Growing Hydrangeas?
Two summers ago I planted a whole bunch of them in a south facing position. They got slaughtered by the sun and started getting fungus and all sorts of problems, pretty much a failure to thrive diagnosis.

Last spring/summer, I dug them up and moved them to a east facing position with a fence behind them to block afternoon sun. They have taken off.

Again, as someone else mentioned, depends on the exact type of hydrangeas, but in general lots of shade, and dont let them get soggy feet.


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Antib551
LSU Fan
Houma, LA
Member since Dec 2018
45 posts

re: Have You Had Success Growing Hydrangeas?
quote:

What kind of hydrangeas did you buy?


^This all the way. I'm no expert, but I think the only hydrangeas that do well in South La are limelight hydrangeas.

I have 9 limelights in a bed in my backyard that do amazingly well. They get about half sun/half shade. Honestly, the ones that get the most sun do the best. I prune them back in late winter each year to about 6-8 inches. Throw a little fert and they spring up to about 4-5ft tall each year.



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30
Cdawg
Houston Astros Fan
TigerFred's Living Room
Member since Sep 2003
53854 posts

re: Have You Had Success Growing Hydrangeas?
quote:

I just bought 25 plants online and they will be arriving in 2 weeks.

What type or variety are they?


Alleman
LSU Fan
St. George
Member since Apr 2013
646 posts

re: Have You Had Success Growing Hydrangeas?
quote:

moved them to a east facing position with a fence behind them to block afternoon sun
How will hydrangeas do if planted along a north facing wall with perpetual shade and will never have direct sunlight?

Guess which way my house faces...


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10
Vacherie
LSU Fan
Baton Rouge
Member since Dec 2017
228 posts

re: Have You Had Success Growing Hydrangeas?
quote:

What type or variety are they?


Not sure. They had them rated in Zone 9a. They are a purple variety. Not endless summer.


CrawDude
LSU Fan
Baton Rouge
Member since Apr 2019
1910 posts

re: Have You Had Success Growing Hydrangeas?
Sounds like you have mophead or lace cap hydrangea’s on the way.

Here is a good brief LSU AgCenter article on the optimal requirements for mopheads, and other types of hydrangeas. LINK Follow the guidelines as best you can. I think as another poster mentioned, many hydrangeas types may not thrive as well in our hot, humid climate as in cooler areas, but doesn’t mean they won’t do great if you do everything according to guidelines for our region.

I’ve have several limelight’s and a couple little lime hydrangeas (paniculata), been in the ground 2 years and they seem to be doing fine. I’ve only planted one mophead and it did not do well, but the failure was probably my fault - likely over-watering, which caused root rot.


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RedPop4
USA Fan
Santiago de Compostela
Member since Jan 2005
11803 posts

re: Have You Had Success Growing Hydrangeas?
I don't know what kind they are, but I've had hydrangeas for 25 years, some of them were from cuttings stuck directly in the ground on an angle. House has a west face, but I have a dying, now, oversized photinia protecting them a bit.

Guess we're just lucky. Never had to do any special work with them.


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