Professor Sprenger crab-apple
Malus x zumi
A well-proportioned crab-apple with profuse white blossom, and golden-orange fruitlets in autumn.
Professor Sprenger crab-apple identification images
All images copyright Orange Pippin unless otherwise stated.
USDA identification images for Professor Sprenger
The identification paintings in the USDA Pomological Watercolor Collection span the years 1886 to 1942.
Citation: U.S. Department of Agriculture Pomological Watercolor Collection. Rare and Special Collections, National Agricultural Library, Beltsville, MD 20705.
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Tree register
We don't have any registered trees for this variety yet. If you have a Professor Sprenger tree you can register it here.
Origins
- Species: Malus species - Crab-apple
Identification
- Fruit colour: Orange
- Flower colour: White
- Leaf colour: Green
- Flowering month: April
- Annual cycle: Deciduous
- Flowering duration: Average (2-3 weeks)
- Flower form: Single flower (5-8 petals)
- Leaf colour - young: Green
- Flower size: Medium
- Fruit size: Average
- Leaf colour - autumn: Yellow
- Fruit shape: Oval
Using
- Garden type: Small town garden
Growing
- Gardening skill: Beginner
- Flowering group: 3
- Pollinating others: Good
- Vigour: Average vigour
- Growth habit: Spreading / Flat-topped
- Attractive features: Attractive flowers
- Attractive features: Attractive fruit
- Attractive features: Attractive tree / plant
- Self-fertility: Self-fertile
- Height after 10 years: 3m-5m / 10ft-16ft
- Growth rate: Average
- Sunlight: Prefers full sun
- Useful for: Small gardens
- Useful for: Specimen planting
- Soil type: Normal
Climate
- Cold hardiness (USDA): Zone 4 (-34C)
- Cold-hardiness: Cold-hardy
- Summer average maximum temperatures: Cool ( 20-24C / 68-75F)
- Summer average maximum temperatures: Warm (25-30C / 76-85F)
- Summer average maximum temperatures: Cold (< 20C / 67F)
Other qualities
- Disease resistance: Good
- Scab (Apple and Pear): Very resistant
- Powdery mildew: Very resistant
Where to buy trees
The following tree nurseries offer Professor Sprenger crab-apple trees for sale:
- Orange Pippin Fruit Trees (UK) United Kingdom
Professor Sprenger crab-apple trees - Pippin Trees United Kingdom
Professor Sprenger crab-apple trees
Where to buy fresh fruit
No orchards have registered as growing this variety. If you grow this and want to register please go to our Orchard Registration form.