Best Return on Investment in the Garden Ladies, This seasons best bloomers was between the double knockout roses and the hydrangeas. But the longest lasting blooms award definitely goes to my hydrangea friends. I’m swooning over their gorgeous blooms that lasted five months from March until August. After five months, the blooms started to look too tattered to keep. I gave them a major pruning once I saw new buds and blossoms and once the old blooms were off, all of that energy diverted to the new blooms and they matured faster for another round of gorgeous blossoms. Economical Landscaping When we moved into this rental house six months ago,…