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Botanical Name : Prunus cerasifera
Species: P. cerasifera
Synonyms: Prunus domestica myrobalan.
Common Names: Cherry Plum, Myrobalan Plum, Newport Cherry Plum, Pissard Plum
Prunus cerasifera is a wild type deciduous Tree growing to 9 m (29ft) by 9 m (29ft) at a medium rate, with leaves 4–6 cm (1.6–2.4 inches) long. It is one of the first European trees to flower in spring, often starting in mid-February. The flowers are white and about 2 cm (0.8 inches) across, with five petals. The fruit is a drupe, 2–3 cm in diameter, and yellow or red. It is edible, and reaches maturity from early July to mid-September.
The flowers are hermaphrodite (have both male and female organs) and are pollinated by Bees.Suitable for: light (sandy), medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in heavy clay soil. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil. The plant can tolerates strong winds but not maritime exposure.
Landscape Uses:Specimen. Requires a well-drained moisture retentive soil. Succeeds in light shade but fruits better in a sunny position. Thrives in a loamy soil, doing well on limestone. Grows well in heavy clay soils. Prefers some chalk in the soil but apt to become chlorotic if too much is present. A very ornamental plant, it is sometimes cultivated for its edible fruit, unfortunately this is not often borne in large quantities in Britain, but large crops are produced every 4 years or so. There are some named varieties. Included as a part of P. divaricata by some botanists though others include P. divaricata as a sub-species under this species. Most members of this genus are shallow-rooted and will produce suckers if the roots are damaged. Plants in this genus are notably susceptible to honey fungus. Special Features:Attractive foliage, Not North American native, All or parts of this plant are poisonous, Blooms are very showy.
Seed – requires 2 – 3 months cold stratification and is best sown in a cold frame as soon as it is ripe. Sow stored seed in a cold frame as early in the year as possible. Protect the seed from mice etc. The seed can be rather slow, sometimes taking 18 months to germinate. Prick out the seedlings into individual pots when they are large enough to handle. Grow them on in a greenhouse or cold frame for their first winter and plant them out in late spring or early summer of the following year. Cuttings of half-ripe wood with a heel, July/August in a frame. Softwood cuttings from strongly growing plants in spring to early summer in a frame. Layering in spring. Division of suckers in the dormant season. They can be planted out direct into their permanent positions.
Edible Parts: Fruit; Seed.
Fruit – raw or cooked in pies, tarts, jams etc. The size of a small plum with a thin skin and a nice sweet flavour. The flesh is somewhat mealy but is also juicy. The fruit can hang on the tree until October. The fruit is about 30mm in diameter and contains one large seed. Seed – raw or cooked. Do not eat the seed if it is too bitter – see the notes below on toxicity.
The plant is used in Bach flower remedies – the keywords for prescribing it are ‘Desperation’, ‘Fear of losing control of the mind’ and ‘Dread of doing some frightful thing’. It is also one of the five ingredients in the ‘Rescue remedy’. Although no specific mention has been seen for this species, all members of the genus contain amygdalin and prunasin, substances which break down in water to form hydrocyanic acid (cyanide or prussic acid). In small amounts this exceedingly poisonous compound stimulates respiration, improves digestion and gives a sense of well-being.
Dye; Hedge; Hedge; Rootstock; Shelterbelt.
A green dye can be obtained from the leaves. A dark grey to green dye can be obtained from the fruit. Makes quite a good windbreak hedge though it cannot stand too much exposure. Often used as a rootstock for the cultivated plums, giving them a semi-dwarfing habit.
Known Hazards: Although no specific mention has been seen for this species, it belongs to a genus where most, if not all members of the genus produce hydrogen cyanide, a poison that gives almonds their characteristic flavour. This toxin is found mainly in the leaves and seed and is readily detected by its bitter taste. It is usually present in too small a quantity to do any harm but any very bitter seed or fruit should not be eaten. In small quantities, hydrogen cyanide has been shown to stimulate respiration and improve digestion, it is also claimed to be of benefit in the treatment of cancer. In excess, however, it can cause respiratory failure and even death.
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.