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Hydrangea bloom not coloring
As I stated above soil pH determines the color. Alkaline for blue, acid for
pink but they start out green until they mature. The plant itself tends to like acid soil which is what we have down here but my nikko (2yrs old) still is blue so far just maybe not a brilliant blue. Hopefully that will not change. Elaine in Ga Zone 7b "John Savage" wrote in message om... "scfundogs" writes: I have a Nikko hydrangea, planted a couple of months ago, that has grown quite a bit and looks very healthy. I purchased it from a nursery with one mophead already on it but it was still green. The mophead has also grown but hasn't colored at all. The colour of the blooms is determined by the soil's pH or something, and you can swap over their colour by adding the appropriate mineral to the soil. The actual brilliance of the colour is determined largely by the hydrangea's genes I guess. So I'm wondering whether your new acquisition is planted in soil that is different from what the others are growing in? Maybe there is a lot of lime or cement waste or something in its soil? You haven't mentioned adding blueing (or pinking) compound to its soil, have you tried that? I think any mushroom compost added to the soil would have made it a bit acid. -- John Savage (my news address is not valid for email) |
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