Will Two Different Varieties Of Hydranga Cross Pollinate If Too Near Each Other.

Question

I have two plain pink hydrangas. I also have two newer varieties, one is white with deep frilly pink edges, the other is the white cone shaped flowers variety. I don’t have a lot of space to put them. (They are all in tubs). If I put them very near to each other (the leaves and flowers will be touching) are they likely to cross pollinate and I might end up with 4 plain pink ones, which I don’t want to happen, the newer varieties are beautiful and were very expensive!

Answer 1

Nothing could happen to the ones you have, but any new shrubs that pop up might be from the big leaf pink hydrangeas. The others are different species so they shouldn't cross.