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Crataegus Opaca

Crataegus Opaca

Description

Crataegus Opaca, commonly known as the thicket hawthorn, is a deciduous shrub or small tree that belongs to the rose family (Rosaceae). It is native to the eastern United States, from Maine to Florida, and westward to Texas and Kansas. This plant is popular for its ornamental value and is grown in gardens for its beautiful flowers and berries.

Taxonomic Information

Domain Eukarya
Kingdom Plantae
Phylum Tracheophyta
Class Magnoliopsida
Order Rosales
Family Rosaceae
Genus Crataegus

Appearance

The thicket hawthorn can grow up to 25 feet tall and has a spread of up to 20 feet. Its leaves are simple, alternate, and have serrated edges. The flowers are white, pink, or red, and bloom in late spring. The fruit is a round, red or yellow pome, which ripens in the fall and persists throughout the winter. The bark is grayish-brown and has a rough texture.

Care Guide

The thicket hawthorn prefers moist, well-drained soil and full sun to partial shade. It is tolerant of a wide range of soil types but prefers slightly acidic soil. Water the plant deeply once a week, especially during dry spells. Fertilize in spring with a slow-release fertilizer. Prune in late winter or early spring to shape the plant and remove dead or damaged branches. The hardiness zones for this plant are 4 to 8.

Common Pests & Diseases

The thicket hawthorn is generally resistant to pests and diseases. However, it may be susceptible to fire blight, leaf spot, and rust. Common pests include aphids, scale insects, and spider mites. These can be controlled with insecticidal soap or horticultural oil.

Habitat

The thicket hawthorn is commonly found in wetlands, along streams and rivers, and in open woods. It is also grown as an ornamental plant in gardens and parks.

Question and Answer

Q: Is the thicket hawthorn a good plant for attracting wildlife?
A: Yes, the thicket hawthorn is a great plant for attracting birds and other wildlife to your garden.

Q: How often should I prune my thicket hawthorn?
A: Prune your thicket hawthorn once a year in late winter or early spring to shape the plant and remove dead or damaged branches.

Q: Can I grow thicket hawthorn in a container?
A: Yes, thicket hawthorn can be grown in a container, but it is best planted in the ground where it can grow to its full size.

Q: What is the best time to plant thicket hawthorn?
A: The best time to plant thicket hawthorn is in the fall or early spring when the soil is cool and moist.

Related Plants

  • Crataegus laevigata
  • Crataegus monogyna
  • Crataegus phaenopyrum
  • Crataegus prunifolia

References

  • “Crataegus opaca.” Missouri Botanical Garden. Accessed September 1, 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=281208.
  • “Crataegus opaca.” Plant Database. Accessed September 1, 2021. https://www.wildflower.org/plants/result.php?id_plant=CROP.
  • “Thicket Hawthorn.” NC State Extension. Accessed September 1, 2021. https://plants.ces.ncsu.edu/plants/crataegus-opaca/.

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