Ageratum houstonianum-Ageratum, Flossflower. Ageratum typically do well at both the Fargo and Dickinson locations. 'Blue Horizon' was again a top performer in both places while 'Azure Pearl' seemed to do better in Dickinson. 'Blue Hawaii' did well all season in Fargo.
| Fargo | Dickinson | ||||||||
| July 25 | August 30 | July 12 | August 26 | Comments | |||||
| Hgt. | Spr. | Hgt. | Spr. | Hgt. | Spr. | Hgt. | Spr. | ||
| Azure Pearl-WG | 4-6" | 2-8" | 4-6" | 6-12" | 6" | 8-10" | 4-6" | 8-10" | Fargo
- Powder blue; Lacked uniformity in size and bloom time Dickinson - Nicer here-had better uniformity in size and good bloom all season |
| Capri-GS | 4-8 | 4-10 | 4-12 | 6-12 | -- | -- | -- | -- | F -
Blue with white center; Not uniform, one plant was really nice D - Not tested |
| Blue Hawaii-Bod | 4 | 6-8 | 6 | 10 | -- | -- | -- | -- | F -
Blue; Floriferous and uniform all season, nice, dead heads more obvious
in August D - Not tested |
| Blue Horizon-Pk | 18-20 | 10-12 | 18-24 | 12-15 | 12-15 | 10-12 | 18-20 | 12-18 | F -
Blue; Floriferous, uniform and healthy all season, dead heads more obvious
in Aug. D - Vigorous, healthy and floriferous; dead heads also more evident in August |
| Hawaii Royal-Pk | 2-4 | 4-6 | 2-4 | 4-8 | -- | -- | -- | -- | F -
Lavender blue; Lacked vigor early and some plants died, not uniform D - Not tested |
| Silver Pearl-WG | 2-6 | 4-10 | 4-8 | 4-12 | 4-6 | 8-10 | 4-6 | 8-12 | F -
White; Not uniform and dead heads much more obvious than on the blue cultivars D - Not uniform in size or bloom time |