Blossoming Questions

Where on the endless summer stem do I cut the blooms when I want to use in vases or because the bloom is spent and needs to be removed?
How do I prune once the flowers turn brown during summer?
Do I add acidic soil like a normal hydrangea?
I live in zone 8a. Can my BloomStruck take 6 hours of direct sun and evening shade?
What side of the house do you plant summer crush?
Q
WHEN DO I CUT BACK MY HYDRANGEAS? SOME OF THE OLD WOOD STEMS HAVE BUDS AND OTHERS DO NOT.
LOOKING FOR LANDSCAPING HELP IN THE FRONT OF MY HOUSE. MUST BE DEER RESISTANT.
Q
ARE DAHLIAS PERENNIALS?
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