Callery - 'Bradford'
Pyrus calleryana
Callery - 'Bradford' (Pyrus calleryana) is a tree suited to the Colorado Front Range, rated "Not Recommended" on the 2024 Front Range Tree Recommendation List. It matures to about 30–50 ft tall and 20–35 ft wide, fast-growing, needs medium water, and prefers full sun. Callery pear is invasive in many regions and structurally weak, suckers, splits, and reseeds prolifically. Do not plant.
medium water30–50 ft tall and 20–35 ft wide
Online from $269.99 at 1 retailerPhotos
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At a glance
- Rating
- Not Recommended
- Botanical name
- Pyrus calleryana
- Variety / cultivar
- Callery - 'Bradford'
- Type
- Tree
- Mature size
- 30–50 ft tall and 20–35 ft wide
- Mature form
- Pyramidal
- Spacing / clearance
- ~35 ft of clearance
- Hardiness zones
- USDA 5–9
- Growth rate
- Fast
- Lifespan
- Short-lived
- Fall color
- Red, purple, orange
- Water needs
- medium water
- Sun
- Best in full sun.
- Colorado native
- No
- Foliage
- Deciduous
- Soil
- clay, loam, sandy
- Soil pH
- 6.0–8.2
- Hail tolerance
- moderate
- Wind tolerance
- moderate
- Salt tolerance
- high
- Bloom color
- white
- Bloom time
- mid spring
- Pollinator value
- high
Site factors to consider
- Critical: Cold HardinessThe real knock is not cold; Callery pear splits apart in storms as it ages and reseeds into wild land, so most agencies now steer away from it.
- Watch: Short LivedFast but not forever; this one runs short lived here, so enjoy it and plan a successor rather than treating it as a legacy tree.
- Watch: SuckersIt throws up shoots from the roots and base, so plan on cutting suckers to keep it from turning into a thicket.
Wildlife & ecology
- Pollinator value
- high
- Deer
- Not deer-resistant
Common problems on the Front Range
- Fireblight (bacterial)
These are general tendencies for this group of plants on the Front Range, not a diagnosis. Many are stress-driven and preventable with good siting and watering. For a specific plant or an active problem, consult a certified arborist or your local CSU Extension office.
Frequently asked questions
- Is Callery - 'Bradford' good for the Colorado Front Range?
- Yes, Callery - 'Bradford' is a well-suited tree for Colorado's Front Range, rated "Not Recommended" on the 2024 Front Range Tree Recommendation List.
- Why is Callery - 'Bradford' not recommended on the Front Range?
- The main catches here: The real knock is not cold; Callery pear splits apart in storms as it ages and reseeds into wild land, so most agencies now steer away from it.
- How big does Callery - 'Bradford' get?
- It matures to about 30–50 ft tall and 20–35 ft wide.
- How much room does Callery - 'Bradford' need?
- Give Callery - 'Bradford' about 35 ft of clearance from buildings, fences, and other trees so the mature canopy isn't crowded.
- What shape does Callery - 'Bradford' grow into?
- Callery - 'Bradford' 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 Callery - 'Bradford' hardy on the Front Range?
- Callery - 'Bradford' is hardy in USDA 5–9. The Colorado Front Range spans roughly USDA 4b–6a, so it is at its cold edge here. Site it in a warm microclimate and protect young plants. That said, it carries a cold-hardiness caution: The real knock is not cold; Callery pear splits apart in storms as it ages and reseeds into wild land, so most agencies now steer away from it.
- How much water does Callery - 'Bradford' need?
- It needs medium water once established.
- How fast does Callery - 'Bradford' grow?
- Callery - 'Bradford' is a fast-growing tree. Growth rate depends on water and site conditions on the Front Range.
- How long does Callery - 'Bradford' live?
- Callery - 'Bradford' is relatively short-lived for a tree, so plan to replace it sooner than a long-lived shade tree. Actual lifespan varies with site, water, and care.
- What color does Callery - 'Bradford' turn in fall?
- Callery - 'Bradford' turns red, purple, and orange in autumn. Fall color intensity varies with the season and site on the Front Range.
- Is Callery - 'Bradford' native to Colorado?
- No. It is not a Colorado native, but it grows well on the Front Range.
- Is Callery - 'Bradford' deer-resistant?
- No. Callery - 'Bradford' is not considered deer-resistant and may need protection where deer browse.
- Is Callery - 'Bradford' prone to pests or disease on the Front Range?
- Callery - 'Bradford' can be affected by fireblight (bacterial). These are general tendencies, not a diagnosis, many are stress-driven and preventable with good siting and watering. For a specific plant or an active problem, consult a certified arborist or CSU Extension.
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