Posted: 20/07/2014 at 16:33
Helianthus lemon queen gets to 8ft and needs no staking - one for the back. I also never need to stake my phlox, which stand 3-4 ft proud on their own. A couple of judiciously placed shrub roses are good for things to flop on to. Plus heleniums, echinaceas and shasta daisies all hold their own pretty well.
I have to stake my delphiniums, oriental poppies and peonies, but not much else.
hope that helps