|I recently purchased 8 hydraneas. 4 white, 4 red. Their leaves are starting to turn red. They're in 6 hours of morning sun. What's going on? I'm worried.
|Answer from NGA
May 23, 2010
|A reddish cast on the leaves can indicate a need for phosphorus or it can be normal if your red hydrangeas are 'Lady in Red'. If that's what you're growing, the reddish cast is normal. Cold temperatures can also cause the leaves to turn red. This goes away as the summer progresses. Hope this information helps!
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