Crataegus phaenopyrum

Leaves: Deciduous. Thin leaves are nearly deltoid or triangular in shape and have 3-5 lobes. They are 1-3" long and  ¾-2¼” wide, with a sharply serrated leaf edge with several small lobes. Dark green color and glossy. Orange to red fall color.

Bark/Twigs: Dark red-green to grayish colored bark. It is shreddy, scaly or sometimes blocky when young. Weakly furrowed, ridged, scaly, and often fluted or knotted when older.  Numerous 1-3" long, slender thorns.

Flowers/Fruit: Flowers are white, ½" diameter, and bloom in small clusters. Blooms early June for 7-10 days.  Fruit a ¼" diameter berry (pome), bright orange-red when mature and glossy. Fruit persists into winter and attracts birds.

Mature size and shape: Medium. 25-30’h x 20-25’w. Broadly oval to rounded shape, dense and thorny tree.

General information/special features: Plant in full sun. Shade intolerant. Fairly tough, drought tolerant and pH adaptable.

Landscape use and Maintenance: Good ornamental tree that can be planted in small groups or as a specimen. Average growing rate. Average maintenance.

USDA Hardiness Zone: 4-8

Family/Origin: Rosaceae – Rose. Native to much of the eastern U.S.

Campus use: Somewhat uncommon. Can be found northeast of Eyring Chemistry Building (Bld 85).

Crataegus x lavallei

Leaves: Deciduous. Leaves are shiny dark green on top with fine hairs beneath. Leaves are elliptical 2-4” long and ½ as wide with serrations on the upper outside edge. The lower ⅓ to ⅔ of the leaf edge is smooth. Dark, glossy green color in summer. Fall color is red to purple-red or bronze/copper.

Bark/Twigs: Trunk has an interesting exfoliating appearance. Branches have a few stout, thick thorns.

Flowers/Fruit: White flowers have five petals and are ¼” in diameter. Flowers grow in 3” wide clusters. Blooms late spring or early summer (May to June). Fruit is a fairly large ⅝ - ¾" marble-sized berry (pome). Bright orange-red when mature and remain on the tree throughout winter attracting birds.

Mature size and shape: Small to medium.  15-25’h and ⅔ as wide.

Rounded tree with dense branching pattern, especially dense among the smaller branches.

General information/special features: Plant in full sun. Moist, well-drained soil is best. Does fairly well in somewhat drier conditions.

Landscape use and Maintenance: Good specimen tree. Can be planted in parkstrips. Slow to medium growing rate. Average maintenance.

USDA Hardiness Zone: 5-7

Family/Origin: Rosaceae – Rose. A hybrid of C. crusgalli and probably C. pubescens.

Campus use: Common. Can be found on southeast part of President's Circle or south of University Bookstore (Bld 67). The tree in President’s Circle is on the Utah Big Tree Registry.

Crataegus crus-galli

Leaves: Deciduous. Leaves are 1-4" long and  ½ -1 ½ ” wide, with a finely serrated leaf edge and oval shape with a blunt tip. They are dark green in color and glossy. Redish-purple fall color.

Bark/Twigs: Red-brown to grayish colored bark. It is scaly or sometimes blocky when young. Weakly furrowed, ridged, scaly, and often fluted or knotted when older.  Numerous 1-3" long, slender thorns. Plant thornless variety inermis.

Flowers/Fruit: Flowers are white, ½" diameter, and bloom in small clusters. Blooms early June for 7-10 days.  Fruit a ¼- ½ " diameter berry (pome), bright orange-red to red-purple when mature. Fruit persists into winter and attracts birds.

Mature size and shape: Small. 15-25’h x 10-20’w. Broadly oval to rounded shape, dense and thorny tree. Becomes flat-topped with age.

General information/special features: Plant in full sun. Shade intolerant. Fairly tough, drought and salt tolerant and pH adaptable.

Landscape use and Maintenance: Nice ornamental tree that can be planted in small groups or as a specimen. Average growing rate. Average maintenance. Plant thornless varieties if available.

USDA Hardiness Zone: 3-7

Family/Origin: Rosaceae – Rose. Native to much of the eastern U.S.

Campus use: Somewhat uncommon. Can be found south of the Union Building (Bld 53).