Oak — English 'Columnaris'
Quercus robur
Oak — English 'Columnaris' (Quercus robur) 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 45–55 ft tall and 10–15 ft wide, and needs low to medium water. Borer susceptibility — keep tree vigorous with regular deep watering.
low to medium water45–55 ft tall and 10–15 ft wideXeric / water-wise
Photos
At a glance
- Rating
- Recommended for Most Sites
- Botanical name
- Quercus robur
- Variety / cultivar
- English 'Columnaris'
- Type
- Tree
- Mature size
- 45–55 ft tall and 10–15 ft wide
- Water needs
- low to medium water
- Colorado native
- No
- Foliage
- Deciduous
- Soil
- clay, loam, sandy
- Soil pH
- 6.0–8.2
- Hail tolerance
- moderate
- Wind tolerance
- moderate
- Salt tolerance
- low
Site factors to consider
- Critical: Cold Hardiness
- Critical: Salt Tolerance
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 Oak — English 'Columnaris' good for the Colorado Front Range?
- Yes. Oak — English 'Columnaris' is included in the Front Range Plant Finder as a tree suited to Colorado's Front Range, rated "Recommended for Most Sites" on the 2024 Front Range Tree Recommendation List.
- How big does Oak — English 'Columnaris' get?
- It matures to about 45–55 ft tall and 10–15 ft wide.
- How much water does Oak — English 'Columnaris' need?
- It needs low to medium water once established.
- Is Oak — English 'Columnaris' native to Colorado?
- No — it is not a Colorado native, but it grows well on the Front Range.
