New Growth On Weigelia Bushes Has Unusually Large Leaves

Question From: ILLINOIS
Q: I have just noticed new growth on my weigela bushes and these new leaves are 3 times the size of the older leaves and/or the way the leaf should be. Is this just because of all the extra rain we have been getting? Do I cut off these branches? What do I do?

Let nature take her course, Green is always good. 
Best  Nancy