Fruit tree comparisons
 Duchess of Oldenburg | |
|---|---|
| An old culinary variety from Russia, popular in North America, and noted for its winter hardiness. | |
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Growing
| Apple tree Duchess of Oldenburg | |
|---|---|
| Gardening skill | Beginner |
| Self-fertility | Not self-fertile |
| Pollination group | 2 |
| Pollinating others | Average |
Using
| Apple tree Duchess of Oldenburg | |
|---|---|
| Picking season | Early |
| Uses | Culinary Traditional cooker |
| Keeping (of fruit) | 1 week |
Disease resistance
| Apple tree Duchess of Oldenburg | |
|---|---|
| General resistance | Good |
| Fireblight | Some susceptibility |
| Scab | Some resistance |
| Cedar apple rust | Some resistance |
| Mildew | Some resistance |
Climate
| Apple tree Duchess of Oldenburg | |
|---|---|
| Cold hardiness (USDA) | Zone 3 (-40C) |
| Summer maximum temperatures | Cold (< 20C / 67F) Cool ( 20-24C / 68-75F) Warm (25-30C / 76-85F) |
Identification
| Apple tree Duchess of Oldenburg | |
|---|---|
| Country of origin | Russia |
| Period of origin | 1750 - 1799 |