WHAT WOULD YOU RECOMMEND FEEDING THE ENDLESS SUMMER HYDRANGEA? WOULD A 10-10-10 BE OK?

Hydrangeas need phosphorous to help grow flowers. Look for a fertilizer that has a higher middle number on the NPK ratio. And, always avoid a fertilizer that is high in nitrogen as it will help grow lush foliage at the expense of flowers. For additional tips, check out our hydrangea planting and care guide.