Elm — 'Frontier'
Ulmus minor x U. parvifolia
Elm — 'Frontier' (Ulmus minor x U. parvifolia) 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 40–50 ft tall and 25–30 ft wide, and needs low to medium water. Subject to early fall frost.
low to medium water40–50 ft tall and 25–30 ft wideXeric / water-wiseDeer-resistant
Photos
At a glance
- Rating
- Recommended for Most Sites
- Botanical name
- Ulmus minor x U. parvifolia
- Variety / cultivar
- 'Frontier'
- Type
- Tree
- Mature size
- 40–50 ft tall and 25–30 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
Site factors to consider
- Critical: Cold Hardiness
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 Elm — 'Frontier' good for the Colorado Front Range?
- Yes. Elm — 'Frontier' 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 Elm — 'Frontier' get?
- It matures to about 40–50 ft tall and 25–30 ft wide.
- How much water does Elm — 'Frontier' need?
- It needs low to medium water once established.
- Is Elm — 'Frontier' native to Colorado?
- No — it is not a Colorado native, but it grows well on the Front Range.
Find Elm — 'Frontier' near you
See also
Related trees
Elm — American – 'Valley Forge', 'New Harmony', 'Princeton'
Ulmus americana
Elm — David, GREENSTONE®, CHOICECITY®
Ulmus davidiana
Elm — ACCOLADE® ('Morton')
Ulmus davidiana var. japonica
Elm — NORTHERN EMPRESS®
Ulmus davidiana var. japonica
Elm — 'Prospector'
Ulmus davidiana var. japonica
Elm — 'New Horizon'
Ulmus japonica x U. pumila 'New Horizon'