| Campanula persicifolia, with its spikes of blue and white cup-shape flowers, will rebloom when cut, and it also self-sows. |
| If the fall is warm and long, it will often rebloom. |
| If it should stop flowering, cut it back by half and wait for rebloom. |
| These hearty beauties bloom early in the season and rebloom up to two times in certain USDA Zones. |
| What you may not know about California poppies is that they have the capacity to rebloom if their spent flowers are removed in a timely manner. |
| Granted, they were hybrids in the Wave series, developed by the Ball Seed company to rebloom without constant deadheading. |
