| Disease | Zone Adapatation¹ | |||||||||
| Variety | Type | Pollination | Resistance | 4 | 5 | 6 | 7 | 8 | 9² | 10 |
| Blue Damson | E | B | BK- | · | · | · | ||||
| Burbank | J | D | · | · | · | · | · | |||
| Ember | J | E | · | · | · | · | · | |||
| Green Gage | E | B | · | · | · | |||||
| Italian Prune (Fellenberg) | EPP | F | · | · | · | · | ||||
| Methley | J | C | BK | · | · | · | · | · | ||
| Ozark Premier | J | D | · | · | · | · | · | |||
| President | E | A | BK+ | · | · | · | · | · | ||
| Santa Rosa | J | C | BK | · | · | · | · | · | ||
| Shiro | J | D | BK | · | · | · | · | · | ||
| Stanley | EPP | F | BK- | · | · | · | · | · | ||
| Underwood | J | E | · | · | · | · | · | |||
| ¹ Based on USDA Plant Climate Zone Map. |
| ² California only. |
TYPES
E European blue plum
EPP European prune plum
J Japanese red plum
POLLINATION KEY DISEASE KEY
A Not self-fruitful, pollinate with a B.
BK+ Resistant to black knot. B Self-fruitful, no pollinator necessary.
BK Fairly resistant to black knot. C Self-fruitful, but crop is improved by a pollinator; use a D.
BK- Highly susceptible to black knot. D Not self-fruitful, pollinate with another D.
E Ember and Underwood cross-pollinate well.
F Self-fruitful, but crop is improved by a pollinator; use an F.