Arnold Hawthorn (Anomala)

The Arnold Hawthorn (Anomala) is generally described as a perennial tree. This is native to the U.S. (United States) . Leaves are not retained year to year.

Uses of : Landscaping, Medicinal, Culinary, etc.

Economic: Hawthorn fruits can be made into jams and jellies. The wood is very hard and strong and is ideal for tool handles and other small items.

Medicinal: Hawthorn fruits have been shown to have a tonic effect on the heart. They are often used in the treatment of weak heart conditions, especially if it is accompanied by high blood pressure.

Landscaping & Wildlife: Crataegus arnoldiana is a beautiful flowering species that is suitable for shading patios, decorating lawns, and lining streets. This shrub or small tree is often used to provide cover and food for a variety of birds and mammals. The fruit is useful for wildlife as it is held late into the year.

Agroforestry: Arnold hawthorn is used in forested riparian buffers to help reduce stream bank erosion, protect water quality, and enhance aquatic environments. Occasionally, it is used as a single row shelterbelt, which is often added in with other varieties to create diversities.

General Characteristics

General: Arnold hawthorn is a very easily grown deciduous shrub or small tree growing fifteen to thirty feet tall. The leaves are simple, oval-shaped, 1.5 to 3 cm long with serrated edges. The fruit is clusters of white flowers that are born on the tips of branches in the spring and are followed by red fruit that ripen in mid summer and remain on twigs until early autumn. The twigs are gray to brown branches and stems that bear large stout thorns.

Required Growing Conditions

Arnold hawthorn is native to Eastern Canada. For current distribution, please consult the Plant profile page for this species is on the PLANTS Web site.

Adaptation Arnold hawthorn prefers rich, moist well-drained soils. It succeeds in excessively moist soils and can tolerate droughty conditions for a short pirior of time. This species is found on the slopes of coulees in open woods. This shrub or small tree grows best in a location with full sunlight. It can also be grown in exposed locations as well as tolerate city living. It can also tolerate atmospheric pollution.

Cultivation and Care

Propagation from Seed: Seed is best sown as soon as it is ripe in a cold frame. It is important to protect the seeds from mice or any seed-eating creatures. Seeds can be slow to germinate. One way to reduce the waiting time is to harvest seeds just before it is fully ripe, when the embryo has fully developed but before the seedcoat hardens and sow it immediately in a cold frame. If you are growing large quantities of plants, it is best to sow them directly outdoors in a seedbed until they are large enough to out-plant. If growing small quantities, pot the seedlings as soon as they are large enough to handle and grow them in individual pots for the first year. Plant them in the late spring into nursery beds or their final positions.

General Upkeep and Control

Trees should be bought and planted when they are no more than eight feet in height. The best time to plant is in the fall or spring. Ball and burlap trees should be planted in the early spring. Pruning should be done in the winter or very early spring. CRBE2"Seedlings develop taproot, thus should not be kept in seedbeds longer than one year. If transplanted in autumn, amend soil, fertilize, water thoroughly, mulch adequately and avoid winter salt spray. Pruning should be done in the winter or early spring in order to maintain a clear shoot leader on young trees and/or remove the weakest branches to allow more light to pass through. Suckers or stems arising from the roots should be removed when they become noticeable.

Pest and Potential Problems Cedar hawthorn rust affects the fruit, foliage and stems. Potential pests include leaf blotch miner. "

Plant Basics
General Type Tree
Growth Duration Perennial
Plant Nativity Native to U.S.
Physical Characteristics
Displays Fall Colors No
Flower Conspicuousness No
Gardening Characteristics
Cold Stratification Required No
Toxic to Nearby Plants No
Toxic to Livestock No
After-Harvest Resprout Ability No
Responds to Coppicing No
Growth Requirements
pH Range 0–0 pH
Precipitation Range 0–0 inches/yr
Planting Density 0–0 indiv./acre
Minimum Frost-Free Days 0 day(s)
Sustainability & Use
Leaf Retention No
Fire Resistant No

Source: USDA, NRCS, PLANTS Database,
National Plant Data Center, Baton Rouge, LA 70874-4490 USA