✓ 2 in stock at the nursery
White Knock Out® keeps the series' iron constitution in crisp white, with dark foliage that makes each bloom pop and a slightly more compact habit.
Six hours of sun and well-drained soil; cut back in late winter. White pairs with everything, glows at twilight, and never needs a spray program.
| Part Sun, Sun | |
| No | |
| 4-6 ft | |
| 3-5 ft | |
| Fall, Spring, Summer | |
| Yes | |
| White | |
| None |