Could someone offer an opinion on how far limelight hydrangea plants should be spaced for hedging purposes.
hans - see if any of these help. I hope you enjoy your hedge!
Here is a link that might be useful: previous threads on limelight hedge spacing
I planted 75 Limelights last year and the spacing was exactly 4' from center to center. this year, their edges are already overlapping. I expect that by next year, the outermost 30% of branches will have knitted together. I would go with 4', no closer. 5' would be OK too for economical reasons, but 6' may be too far if you want the hedge to connect within 2-3 years. In time, though, it should still connect, since Limelight is supposed to get to 8' wide, though maybe only in the outermost branches, and not densely, uniformly intergrowing.