Washington hawthorn

Crataegus phaenopyrum

Washington hawthorn (Crataegus phaenopyrum) is a beautiful and ornamental tree with the following characteristics:

Growth Characteristics
- Scientific Name: Crataegus phaenopyrum
- Height: It typically grows to 6–9 meters, though rarely it can reach up to 12 meters.
- Leaves: The oval to triangular leaves are dark green and turn red or purple in the autumn.
- Flowers: White flowers bloom between May and June; they are small and clustered together.
- Fruit: It bears small red fruits in the autumn, which remain on the tree for a long time through the winter and serve as a food source for birds.

Propagation Methods
- Seeds: It propagates naturally from seeds. Seeds are harvested in the autumn, dried, and stored for later use, then sown in the spring.
- Cuttings: It propagates in the summer using semi-hardwood cuttings.

Cultivation Methods
- Soil: It thrives in fertile, well-drained soil. It prefers a slightly acidic to neutral pH.
- Sunlight: It thrives in areas with ample sunlight but can also grow in partial shade.
- Watering: It is resistant to drought, but proper moisture management is important during the initial stages.
- Fertilizer: Applying slow-release fertilizer in the spring helps with growth.

Uses in the Garden
- In gardens, it is widely used for solitary planting, hedges, and landscaping.
- It is also useful for attracting birds, making it suitable for creating ecological gardens.

Important Pests and Control Methods
- Diseases: Diseases such as pruning disease and leaf spot may occur; prevention is crucial through proper ventilation and maintaining a hygienic garden.
- Pests: Aphids and scale insects are the primary pests. If damage is severe, consider using appropriate insecticides or controlling natural enemies.
- Prevention and Management: Regular pruning and maintaining healthy sphagnum moss are necessary to prevent diseases and pests. Selecting an appropriate planting location is also important to reduce environmental stress. Based on these characteristics, the Washington hawthorn (Phaenophyrum) can be utilized in various ways in the garden and can be grown healthily with basic care tips.

Plant Family	Rosaceae
Height	6~7.5m
Spread	5.4~6m
Colors	white
Bloom Period	April to June
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-30°C

Western hawthorn 'False Scarlet'
Crataegus laevigata 'Paul's Scarlet'

Horned hawthorn
Crataegus crus-galli