Crataegus calpodendron
Images by part: leaf (4) · flower (1) · fruit (0) · bark (0) · habit (0) · other (0)

Crataegus calpodendron

Pear hawthorn · Pearthorn · Urn-tree hawthorn · Blackthorn hawthorn · Late hawthorn

Tier 2 Difficulty: easy Water: low Light: full_sun
Temperature
5–32 °C
Soil pH
6–8
Hardiness
Zone 4–8
Click count
97
Observations
6

Description

Source: leafsnap

Crataegus calpodendron is a species of hawthorn native to much of the eastern United States and to Ontario, Canada. The common name late hawthorn refers to the flowering time, which is later than most North American hawthorns.

Care Guide

💧 Water
☀️ Light Full sun

Pear hawthorn comes from open habitats, such as sunny meadows and forest edges, which offer abundant light. It performs best in Full Sun but will also tolerate Partial Sun, adjusting well to different sunlight levels.

Ideal: Full sun
🌡️ Temperature 5–32.2°C

Pear hawthorn is highly adaptable to different climatic conditions, coping with both very hot summers and cold winters. However, it does have an optimal temperature range for growth. If temperatures become too high, the plant is vulnerable to heat and humidity stress, which can lead to its death. In areas where temperatures approach the lower limit of its cold tolerance, providing insulation is important to protect the plant.

Ideal temperature: 5–32.2°C
💨 Humidity
Humidity:
🪴 Soil 6-8
Soil pH: 6-8
🌱 Fertilizer

The timing of fertilizing Pear hawthorn is important. Apply fertilizer in early spring and then monthly up to early summer. Fertilizer promotes attractive blooms and supplies energy during both dormant periods and active growth.

🪴 Pot & Repot

For pear hawthorn to thrive in pots, it needs excellent drainage.

✂️ Pruning
🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Tree, Shrub
Life Cycle
Perennial
Genus
Crataegus
Family
Rosaceae
Hardiness Zone
4-8
Mature Height
3.66 m to 10.97 m
Mature Spread
3.96 m to 6.1 m
Leaf Color
Dark Green, Olive Drab
Leaf Type
Deciduous
Flower Color
White
Flower Size
1.02 cm to 1.52 cm
Bloom Time
Mid spring, Late spring
Planting Time
Spring, Autumn, Winter
Harvest Time
Late summer, Early fall, Mid fall

Tags (7)

Common Names (6)

en Pear hawthorn
en Pearthorn
en Urn-tree hawthorn
en Blackthorn hawthorn
en Late hawthorn
en Urn-fruited hawthorn