Oak — CRIMSON SPIRE®, STREETSPIRE®
Quercus alba x robur
Oak — CRIMSON SPIRE®, STREETSPIRE® (Quercus alba x robur) is a tree suited to the Colorado Front Range, rated "Recommended" on the 2024 Front Range Tree Recommendation List. It matures to about 40–50 ft tall and 12–18 ft wide, and needs low to medium water. Columnar forms.
low to medium water40–50 ft tall and 12–18 ft wideXeric / water-wise
Photos
At a glance
- Rating
- Recommended
- Botanical name
- Quercus alba x robur
- Variety / cultivar
- CRIMSON SPIRE®, STREETSPIRE®
- Type
- Tree
- Mature size
- 40–50 ft tall and 12–18 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
- moderate
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 — CRIMSON SPIRE®, STREETSPIRE® good for the Colorado Front Range?
- Yes. Oak — CRIMSON SPIRE®, STREETSPIRE® is included in the Front Range Plant Finder as a tree suited to Colorado's Front Range, rated "Recommended" on the 2024 Front Range Tree Recommendation List.
- How big does Oak — CRIMSON SPIRE®, STREETSPIRE® get?
- It matures to about 40–50 ft tall and 12–18 ft wide.
- How much water does Oak — CRIMSON SPIRE®, STREETSPIRE® need?
- It needs low to medium water once established.
- Is Oak — CRIMSON SPIRE®, STREETSPIRE® native to Colorado?
- No — it is not a Colorado native, but it grows well on the Front Range.
