'Johnson's Blue' is a tall, old-fashioned variety with large, rich, purple-blue flowers that appear in June over soft billowy mounds of gray-green, quilted foliage.
| Perennial | |
| Geranium | |
| Cranesbill | |
| Zone 4 | |
| 4-6+ hours | |
| Clay, Moist, Sandy | |
| Accent border perennial | |
| Woodland underplantings | |
| 24-36" | |
| 24-36" | |
| Spring, Summer | |
| Blue | |
| 1.5-2" | |
| Plant-tone | |
| Orange, Red | |
| Yes | |
| Yes | |
| Crocosmia, Achillea, Hemerocallis, Monarda |