Fruit tree comparisons
 Opal | |
|---|---|
| Opal is an early European plum variety with a good flavor, self-fertile and very easy to grow. | |
| remove |
Growing
| Plum tree Opal | |
|---|---|
| Gardening skill | Beginner |
| Self-fertility | Self-fertile |
| Pollination group | 3 |
| Pollinating others | Average |
Using
| Plum tree Opal | |
|---|---|
| Picking season | Early |
| Uses | Eating fresh |
| Keeping (of fruit) | 1-3 days |
Disease resistance
| Plum tree Opal | |
|---|---|
| General resistance | Good |
Climate
| Plum tree Opal | |
|---|---|
| Cold hardiness (USDA) | Zone 4 (-34C) |
| Summer maximum temperatures | Cold (< 20C / 67F) Cool ( 20-24C / 68-75F) Warm (25-30C / 76-85F) |
Identification
| Plum tree Opal | |
|---|---|
| Country of origin | Sweden |
| Period of origin | 1900 - 1949 |
| Fruit color | Red |