Developmental stages of the apple cultivar trial planted at UKREC, Princeton, KY, for the 2004 growing season.
| Code | Phenological Stage |
| ST | Silver Tip |
| GT | Green Tip |
| HG | Half inch green |
| TC | Tight Cluster |
| P | Pink |
| FP | Full Pink |
| 50B | 50% Bloom |
| FB | Full Bloom |
| PF | Petal Fall |
| FS | Fruit Set |
| 2004 | 25-Mar | 29-Mar | 31-Mar | 2-Apr | 5-Apr | 7-Apr | 9-Apr | 12-Apr | 14-Apr | 16-Apr | 19-Apr | 22-Apr |
| Crimson Crisp | GT | TC | P | P | P | 50B | FB | FB | FB | FB | FB | FS |
| Enterprise | HG | P | P | P | P | 50B | FB | FB | FB | FB | FS | FS |
| Florina | HG | TC | P | P | P | FP | 50B | FB | FB | FB | FS | FS |
| Fortune | HG | P | P | P | P | 50B | FB | FB | FB | PF | FS | FS |
| Gala, Big Red | TC | P | P | P | FP | 50B | FB | FB | FB | PF | FS | FS |
| Gala, Rezista | GT | P | P | P | P | P | P | 50B | 50B | FB | PF | FS |
| Ginger Gold | GT | P | P | P | FP | 50B | FB | FB | FB | FB | PF | FS |
| GoldRush | HG | TC | P | P | P | 50B | FB | FB | FB | FB | PF | FS |
| Honeycrisp | ST | HG | HG | HG | HG | TC | P | FB | FB | FB | PF | FS |
| Jonagold De Coster | HG | P | P | FP | 50B | 50B | FB | FB | FB | PF | FS | FS |
| Liberty | HG | P | P | P | FP | 50B | FB | FB | PF | PF | FS | FS |
| Monark | TC | P | 50B | 50B | FB | FB | FB | PF | PF | FS | FS | FS |
| Morren's Jonagored | HG | TC | P | P | P | 50B | FB | FB | FB | PF | FS | FS |
| Pixie Crunch | GT | TC | TC | TC | TC | P | P | P | P | FB | PF | FS |
| Pristine | HG | TC | 50B | 50B | FB | FB | FB | PF | PF | PF | FS | FS |
| Redfree | GT | TC | P | P | P | 50B | FB | FB | FB | FB | PF | FS |
| Rezista ‘Gold’ | HG | TC | TC | P | P | 50B | FB | FB | FB | FB | PF | FS |
| Rezista ‘Jonathan‘ | HG | TC | P | P | P | 50B | FB | FB | FB | FB | PF | FS |
| Rezista ‘Rome’ | ST | HG | HG | HG | HG | HG | HG | P | P | 50B | FB | FS |
| Rubinstar Jonagold | HG | TC | P | P | P | 50B | FB | FB | FB | PF | FS | FS |
| Sansa | HG | P | P | P | P | 50B | FB | FB | FB | FB | PF | FS |
| Scarlet O'Hara | HG | TC | P | P | P | 50B | FB | FB | FB | FB | PF | FS |
| Senshu | HG | TC | P | P | P | FP | 50B | FB | FB | FB | PF | FS |
| Shizuka | HG | TC | P | P | P | 50B | FB | FB | FB | PF | FS | FS |
| Sun Fuji | HG | TC | P | P | P | FP | 50B | FB | FB | FB | FS | FS |
| William's Pride | HG | TC | P | P | 50B | 50B | FB | FB | PF | PF | FS | FS |
| Yataka Fuji | HG | TC | TC | P | P | 50B | FB | FB |