Ageratum "bury their dead," which means they are so floriferous and fast growing that there is no need to deadhead spent blooms—the plant will quickly grow past it and take care of itself.
How do you pinch in ageratum?
Simply pinch out or cut off the last inch of the largest growing tip. This will place the plant's energy from leggy shoot to numerous side buds. Ageratum are small plants grown as annuals with a dense growth habit. Flowers are rounded clusters borne from midsummer until first frost.
How do you look after ageratum?
Ageratum Growing Guide
- Miscellaneous ●
- Fertile, well-drained soil.
- Full sun to partial shade.
- None. ...
- Mix a light application of a balanced organic fertiliser into the soil prior to planting. ...
- Sow tiny ageratum seeds atop moist seed starting mix and gently press them into the surface.
