Malus sylvestris
Crab apple
Species Tolerances
- Drought Tolerance: High
- Shade Tolerance: Yes
- Waterlogging Tolerance: Low
- Frost Tolerance (trees from warmer climates may be frost tolerant, but their flowers may not be): Yes
- RHS Hardiness: H6
- Optimum Conditions for Growth:
Tolerates a wide range of soil, sand to clay, and pH mildly acidic to mildly alkaline. Prefers a deep, nutrient rich loam. Some cultivars may be less hardy than the species. - Susceptibility to Pest/Disease:
Can be susceptible to bacterial disease fire blight, and fungal disease apple scab
Service to Pollinators
- Summary of Service to Pollinators:
A good source of nectar and pollen and for encouraging pollinators. Can be used as a tree for cross pollination with Malus domestica. - Nectar Value to Pollinators: 3 (of 0-3)
- Honeydew Value to Pollinators: 0 (of 0-3)
- Pollen Value to Bees: 3 (of 0-3)
- Flowering Period: April-May
Risks
- Human Toxicity: Non-toxic
- Livestock Toxicity: Non-toxic
- Invasive Risk: No
- Suckering: No
Products
- Edible Fruit: Yes
- Edible Leaves: No
- Edible Sap: No
- Edible Seeds: No
- Honey, major source in UK: Yes
- For any medicinal potential, see 'Further Details' below.
- Timber: No
- Livestock Fodder: Yes
- Other Products:
Some cultivars bear inedible fruit, but the species can throw up some specimen trees with extremely edible fruit.
Utility
- Nitrogen Fixation: No
- Organic Matter Accumulation: Yes
- Phytoremediation: Yes
- Deacidification: Insufficient Data
- Windbreak: No
- Soil Erosion Control: Yes
- Shade or Shelter: Yes
- Plant Support: Insufficient Data
- Integrated Pest Management: Insufficient Data
- Wildlife Value: Yes
- Wildlife Value Summary:
Good for biodiversity referring to invertebrate diversity feeding on the tree, especially insects. Caterpillars of many species of moth feed on the leaves. Seeds and fruit are available to a large range of birds and mammals. - Graduated Nativeness Classification ⓘ: 1 (of 1-10)1. Historic Native
2. Historic Introduction
9. Neutral Introduction
Further Details
The species is often used as a rootstock for cultivar trees.