Scientific Name:
Crataegus phaenopyrum
Pronunciation:
kruh-TEE-gus fee-noe-PYE-rum
Common Name:
Washington hawthorn
Family Name:
Rosaceae
Plant Type:
Tree - deciduous
Key ID Features:
Stems with thorns to 2cm; leaves to 8cm long, triangular, irregularly toothed and serrate (even at bases - unlike black hawthorn); flowers white, saucer-shape, May-June; fruit orange berry-like pomes. Winter ID: reddish twigs with thorns, persistent fruit.
Habit:
Arching, Upright
Form:
Pyramidal - widely, Round
Texture:
Medium
Mature Height:
7 - 10m
Mature Spread:
4 - 5m
Growth Rate:
Slow
Origin:
U.S. - northeast
Hardiness Rating:
Zone 4: (-34 to -29 °C)
Exposure:
Full sun
Soil/Growing Medium:
Rocky or gravelly or dry, Well-drained
Water Use:
Low
Landscape Uses:
Attract birds, Attract butterflies, Erosion control, Fall interest, Hedge row, Herb, Security/barrier, Specimen plant, Spring interest, Wildlife food, Woodland margin
Additional Info:
Leaf Morphology:
Form:
Simple
Arrangement:
Alternate
Texture/Venation:
Leathery
Surfaces:
Lustrous
Colour in Summer:
Green, Dark-green
Colour in Fall:
Green-yellow, Orange, Red
Shapes:
Deltoid, Ovate
Apices:
Acute
Bases:
Truncate
Margins:
Dentate, Serrate
Inflorescence Type:
Cyme, Floriferous, Corymb-like
Flower Morphology:
Number Of Petals:
5
Corolla Shape:
Rotate/stellate
Colour (petals):
Showy, White
Flower Scent:
Musky, Unpleasant
Flower Time at Peak:
May
Fruit Type:
Edible, Pome
Fruit Colour:
Orange
Fruiting Time:
Sep, Oct
Additional Info:
Showy, Edible, Persistent, pome small with less than six one-seeded nutlets
Bark Morphology:
Plated, Multi-stem trunk
Bark or Stem Colour:
Grey
Leaf Bud Type:
Ovoid, Rounded or globular
Leaf Scar Shape:
Crescent shaped
Organ Modifications:
Thorns
Propagation:
Seed, Cuttings
Pest Susceptibility:
Blight or needle cast, Canker or sap rot, Caterpillar or cutworm, Fungal leaf spot, Heteroptera - true bugs, Leaf miner insect, Mildew, Rust, Scale insects, Stem borer insects (Deer resistant, Rabbit resistant, Drought tolerant)
Specific Pests:
Course(s):
- not used (on campus)
Location(s):
- (TFL) Turf Field Lab
- (TFLN) Turf Field Lab North