Canadian Plum, Canada Plum Prunus nigra - Prunus mollis

Detailed Listing For

Botanical Name:

Prunus nigra

Family:

Rosaceae

Genus:

Prunus

Species:

nigra

Common Name:

Canadian Plum, Canada Plum

Height:

30 ft

Minimum Hardiness Zone:

Harvest hemisphere:

Northern

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Prunus nigra

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No Export to These Countries

Australia, Austria, Belgium, Bulgaria, Canada, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovak Republic, Slovenia, South Africa, Spain, Sweden, Switzerland, United Kingdom

Growing Info, follow in order:

Scarification: Soak in water, let stand in water for 24 hours.

Stratification: cold stratify for 90 days.

Germination: sow1 deep, tamp the soil, mulch the seed bed.

Wiki description:

Description It is a deciduous shrub or small tree growing to 10 m tall with a trunk up to 25 cm diameter, with a low-branched, dense crown of stiff, rigid, branches. The bark is gray-brown, older layers coming off in thick plates. The branchlets are bright green at first, later become dark brown tinged with red, and spiny. The winter buds are chestnut brown, acuminate, up to 8 mm long.The leaves are alternate, simple, oblong-ovate or obovate, 5–12 cm long and 3–7 cm broad, wedge-shaped or slightly heart-shaped or rounded at base, doubly crenaulate-serrate, abruptly contracted to a narrow point at the apex, feather-veined, midrib conspicuous; they emerge from the bud convolute, downy, slightly tinged with red, are smooth, becoming bright green above and paler beneath when full grown. The leaf petioles are stout, bearing two large dark glands and early deciduous, lanceolate or three to five-lobed stipules.The flowers are 15–25 mm diameter, with five rounded petals, white fading to pale pink, with a more or less erose margin; they are slightly fragrant, borne in three to four-flowered umbels, with short, thick peduncles, and appear before the leaves in mid to late spring. The flower pedicels are slender and dark red. The calyx is conic, dark red, five-lobed, the lobes acute, finally reflexed, glandular, smooth on the inner surface, imbricate in bud, ovate, with short claws, imbricate in bud. There are 15–20 stamens, inserted on the calyx tube; filaments thread-like; anthers purplish, introrse, two-celled; cells opening longitudinally; the pistil has a superior ovary in the bottom of calyx tube, one-celled, with two ovules.The fruit is an oblong-oval drupe , 25–30 mm long with a tough, thick, orange red skin, free from bloom, yellow flesh adherent to the stone; the stone oval, compressed. It matures in late summer or early autumn. The cotyledons are thick and fleshy. The species grows best in alluvial soils. [ 2 ] [ 3 ] [ 4 ] It can easily be confused with the related Prunus americana , differing most obviously in the leaf margins having blunt, gland-tipped teeth, rather than the sharp, glandless teeth of P. americana leaves. [ 2 ] A fungus in the genus Taphrina often attacks the plums; the young ovaries swell, often much larger than full grown plums, become hollow and often persist on the tree in winter. Known as "plum pockets", they appear pale green, leathery to the touch, and hollow with the exception of a few fibrous bands. The disease reduces regeneration of the plums. [ 3 ] [ 4 ] Uses The fruit is eaten raw or cooked and is made into preserves and jellies. [ 4 ] The wood is bright red brown; heavy, hard, strong and close-grained, with a density of 0.6918. [ 4 ]

Usda description:

More info on http://plants.usda.gov

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