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Hydrangeas: My first hydrangea - Altona??

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Forum: HydrangeasReplies: 2, Views: 36
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Bartlett, TN
(Zone 7b)

June 2, 2009
2:52 AM

Post #6629057

I bought this a few weeks ago at the Memphis Botanic Garden, but it didn't have an id tag.
From a little research, I think it's Altona, but not sure. The color was bluer but is changing as I have read it will do.

Can anyone tell me if this is an Altona & what is the best soil type to keep the color the same?
We have clay here, but I planted it in humus & the flower is turning greenish.

thanks for any info!

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Dublin, CA
(Zone 9a)

June 2, 2009
3:03 AM

Post #6629123

Since hydrangea flower color varies so much based on pH it may be difficult to figure out exactly which cultivar you have--could be one that you never would have considered because people's pictures of it are really pink or really blue because their pH is different than yours. From looking at the shape of the flowers it could be Altona, but there may be other possibilities as well.

Soil pH is what determines blue vs pink--if your soil is a bit alkaline and you really want blue flowers then you can use something like sulfur or aluminum sulfate to make the soil acidic. You'll have to keep amending your soil on a regular basis though since over time it'll tend to drift back towards where it wants to be naturally. I'm too lazy to be constantly amending, so I've learned to love pink hydrangeas! LOL
Bartlett, TN
(Zone 7b)

June 4, 2009
12:35 PM

Post #6640222

thanks ecrane. I like the blue or the pink. This is my first one, so I'm just happy to have it. Something new is always fun. :D

I have read about the soil amending as you mentioned but seems like a lot of work to me also.
Don't think I want to do all of that, so maybe I'll just let nature take it's course & go with the flow to see what happens. lol
Right now it's kinda greenish looking, but read that is because I just planted it.

Thanks for you help!


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