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Habitat :Crataegus aestivalis is native to south-eastern N. America – North Carolina to Mississippi. It is found on the outer coastal plain in seasonally flooded depressions, in floodplains or in uplands. It is commonly found in river swamps, pond areas, and along stream banks.
Crataegus aestivalis is a deciduous Shrub growing to a height of 30 feet with a rounded canopy that spreads to 35 feet or more. The dark green, deciduous leaves are often three-lobed and have red/brown undersides. The leaves display no appreciable fall color. The sparkling white, showy springtime flowers appear before the new leaves unfurl and are followed by the production of large, red-dotted fruits. The spreading, low branching habit of growth makes this best suited for planting in a large open area of turf.
It is not frost tender. It is in flower in March, and the seeds ripen from May to June. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Midges.Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and can grow in heavy clay soil. Suitable pH: acid, neutral and basic (alkaline) soils and can grow in very acid soils.
It can grow in semi-shade (light woodland) or no shade. It prefers moist or wet soil and can tolerate drought. The plant can tolerates strong winds but not maritime exposure.It can tolerate atmospheric pollution.
A very easily grown plant, it prefers a well-drained moisture retentive loamy soil but is not at all fussy. Once established, it succeeds in excessively moist soils and also tolerates drought. It grows well on a chalk soil and also in heavy clay soils. It thrives in acid soils. A position in full sun is best when plants are being grown for their fruit, they also succeed in semi-shade though fruit yields and quality will be lower in such a position. It succeeds well in exposed positions and tolerates atmospheric pollution. A very hardy species, tolerating temperatures down to about -30°c. This species is closely related to C. opaca and is included in that species by some botanists. Hybridizes freely with other members of this genus. Seedling trees take from 5 – 8 years before they start bearing fruit, though grafted trees will often flower heavily in their third year. The flowers have a foetid smell somewhat like decaying fish. This attracts midges which are the main means of fertilization. When freshly open, the flowers have more pleasant scent with balsamic undertones. Seedlings should not be left in a seedbed for more than 2 years without being transplanted. Occasionally cultivated for its fruit in America, there are some named varieties. Special Features:North American native, Attractive flowers or blooms.
Seed – this is best sown as soon as it is ripe in the autumn in a cold frame, some of the seed will germinate in the spring, though most will probably take another year. Stored seed can be very slow and erratic to germinate, it should be warm stratified for 3 months at 15°c and then cold stratified for another 3 months at 4°c. It may still take another 18 months to germinate. Scarifying the seed before stratifying it might reduce this time. Fermenting the seed for a few days in its own pulp may also speed up the germination process. Another possibility is to harvest the seed ‘green’ (as soon as the embryo has fully developed but before the seedcoat hardens) and sow it immediately in a cold frame. If timed well, it can germinate in the spring. If you are only growing small quantities of plants, it is best to pot up the seedlings as soon as they are large enough to handle and grow them on in individual pots for their first year, planting them out in late spring into nursery beds or their final positions. When growing larger quantities, it might be best to sow them directly outdoors in a seedbed, but with protection from mice and other seed-eating creatures. Grow them on in the seedbed until large enough to plant out, but undercut the roots if they are to be left undisturbed for more than two years.
Fruit – raw or cooked. Juicy and acid with a pleasant flavour. It is up to 2cm in diameter. The fruit is frequently used and much prized in parts of southern N. America where it is often gathered in quantity from the wild. Its acid flavour makes it a favourite for preserves and jellies. The fruit can also be dried for later use. There are up to five fairly large seeds in the centre of the fruit, these often stick together and so the effect is of eating a cherry-like fruit with a single seed.
Although no specific mention has been seen for this species, the fruits and flowers of many hawthorns are well-known in herbal folk medicine as a heart tonic and modern research has borne out this use. The fruits and flowers have a hypotensive effect as well as acting as a direct and mild heart tonic. They are especially indicated in the treatment of weak heart combined with high blood pressure. Prolonged use is necessary for it to be efficacious. It is normally used either as a tea or a tincture.
Shelterbelt; Soil stabilization; Wood.
Because it tolerates a wide variety of sites, this species can be used to stabilize banks, for shelterbelts, and to give protection from wind and water erosion. Wood – heavy, hard and strong, but not large enough for commercial use. Useful for making tool handles, mallets and other small items.
Landscape Uses:Border, Espalier, Pollard, Specimen, Street tree.
Disclaimer : The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplement, it is always advisable to consult with your own health care provider.