River Hawthorn
Crataegusrivularis

Family: Rosaceae (ro-ZAY-see-ee)
Genus: Crataegus (krah-TEE-gus)
Species: rivularis (riv-yoo-LAIR-iss)

Category
Edible Fruits and Nuts
Trees

Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun
Sun to Partial Shade
Light Shade

Foliage
Deciduous
Textured

Foliage Color

Height
12-15 ft. (3.6-4.7 m)

Spacing
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)

Hardiness
USDA Zone 5a: to -28.8 °C (-20 °F)

Where to Grow

Danger
Plant has spines or sharp edges; use extreme caution when handling

Bloom Color
White/Near White

Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant

Bloom Size

Bloom Time
Late Spring/Early Summer

Other details

Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
8.6 to 9.0 (strongly alkaline)
over 9.1 (very alkaline)

Patent Information
Non-patented

Propagation Methods
From seed; direct sow outdoors in fall
From seed; sow indoors before last frost
Scarify seed before sowing
Self-sows freely; deadhead if you do not want volunteer seedlings next season

Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Remove fleshy coating on seeds before storing
Seed does not store well; sow as soon as possible