Hazelnut, Turkish Filbert/Hazelnut
Corylus colurna
Hazelnut, Turkish Filbert/Hazelnut (Corylus colurna) is a tree suited to the Colorado Front Range, rated "Recommended for Most Sites" on the 2024 Front Range Tree Recommendation List. It matures to about 40–60 ft tall and 25–35 ft wide, needs low to medium water, and prefers full sun to partial shade to dappled sun.
low to medium water40–60 ft tall and 25–35 ft wideXeric / water-wiseDeer-resistant
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At a glance
- Rating
- Recommended for Most Sites
- Botanical name
- Corylus colurna
- Variety / cultivar
- Turkish Filbert/Hazelnut
- Type
- Tree
- Mature size
- 40–60 ft tall and 25–35 ft wide
- Mature form
- Pyramidal
- Spacing / clearance
- ~35 ft of clearance
- Hardiness zones
- USDA 4–8
- Growth rate
- Moderate
- Lifespan
- Medium
- Water needs
- low to medium water
- Sun
- Best in full sun; tolerates partial shade, dappled sun.
- Colorado native
- No
- Foliage
- Deciduous
- Soil
- clay, loam
- Soil pH
- 6.0–8.2
- Hail tolerance
- moderate
- Wind tolerance
- moderate
- Salt tolerance
- moderate
- Pollinator value
- low
Site factors to consider
- Watch: TransplantsIt resents being moved, so start with smaller stock, plant in spring, and get the spot right the first time.
Wildlife & ecology
- Pollinator value
- low
- Deer
- Generally deer-resistant
Planting & establishment
Water deeply every 7–10 days through the first 2 summers. Winter water 1–2×/month October–March when soil is dry and unfrozen, winter desiccation is a top killer of newly-planted trees. Year 3: taper to 2×/month in summer, then rely on natural precipitation.
Frequently asked questions
- Is Hazelnut, Turkish Filbert/Hazelnut good for the Colorado Front Range?
- Yes, Hazelnut, Turkish Filbert/Hazelnut is a well-suited tree for Colorado's Front Range, rated "Recommended for Most Sites" on the 2024 Front Range Tree Recommendation List.
- How big does Hazelnut, Turkish Filbert/Hazelnut get?
- It matures to about 40–60 ft tall and 25–35 ft wide.
- How much room does Hazelnut, Turkish Filbert/Hazelnut need?
- Give Hazelnut, Turkish Filbert/Hazelnut about 35 ft of clearance from buildings, fences, and other trees so the mature canopy isn't crowded.
- What shape does Hazelnut, Turkish Filbert/Hazelnut grow into?
- Hazelnut, Turkish Filbert/Hazelnut typically grows into a pyramidal, conical outline that is widest at the base. This is the species' usual mature form, named cultivars (columnar, weeping, or compact selections) can differ, so check the specific cultivar.
- Is Hazelnut, Turkish Filbert/Hazelnut hardy on the Front Range?
- Hazelnut, Turkish Filbert/Hazelnut is hardy in USDA 4–8. The Colorado Front Range spans roughly USDA 4b–6a, so it is well within range.
- How much water does Hazelnut, Turkish Filbert/Hazelnut need?
- It needs low to medium water once established.
- How fast does Hazelnut, Turkish Filbert/Hazelnut grow?
- Hazelnut, Turkish Filbert/Hazelnut is a moderate-growing tree. Growth rate depends on water and site conditions on the Front Range.
- How long does Hazelnut, Turkish Filbert/Hazelnut live?
- Hazelnut, Turkish Filbert/Hazelnut has a moderate lifespan for a Front Range tree. Actual lifespan varies with site, water, and care.
- Is Hazelnut, Turkish Filbert/Hazelnut native to Colorado?
- No. It is not a Colorado native, but it grows well on the Front Range.
- Is Hazelnut, Turkish Filbert/Hazelnut deer-resistant?
- Hazelnut, Turkish Filbert/Hazelnut is generally considered deer-resistant, though no plant is deer-proof when browse pressure is high.
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See also
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