Pear — Ussurian – 'Prairie Gem', 'Mt. Frost'
Pyrus ussuriensis
Pear — Ussurian – 'Prairie Gem', 'Mt. Frost' (Pyrus ussuriensis) 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 15–25 ft tall and 15–20 ft wide, and needs low to medium water. More cold hardy than P. calleryana.
low to medium water15–25 ft tall and 15–20 ft wideXeric / water-wise
Photos



At a glance
- Rating
- Recommended for Most Sites
- Botanical name
- Pyrus ussuriensis
- Variety / cultivar
- Ussurian – 'Prairie Gem', 'Mt. Frost'
- Type
- Tree
- Mature size
- 15–25 ft tall and 15–20 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
- Bloom color
- white
- Bloom time
- mid spring
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 Pear — Ussurian – 'Prairie Gem', 'Mt. Frost' good for the Colorado Front Range?
- Yes. Pear — Ussurian – 'Prairie Gem', 'Mt. Frost' 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 Pear — Ussurian – 'Prairie Gem', 'Mt. Frost' get?
- It matures to about 15–25 ft tall and 15–20 ft wide.
- How much water does Pear — Ussurian – 'Prairie Gem', 'Mt. Frost' need?
- It needs low to medium water once established.
- Is Pear — Ussurian – 'Prairie Gem', 'Mt. Frost' native to Colorado?
- No — it is not a Colorado native, but it grows well on the Front Range.