Rosaceae

Amur chokecherry

Prunus maackii

Amur chokecherry

Photo: No machine-readable author provided. Sten assumed (based on copyright claims). — CC BY-SA 3.0 · source

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Survives zone 2 through 6

Harvest calendar

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Best planted in early spring after your last frost, or in fall before the ground freezes, depending on your climate.

The small black cherries are astringent and rarely eaten out of hand, but are gathered for jams, jellies, and wine, and are an important late-summer food source for birds. ⚠ Kernels/pits cyanogenic.

Hardiness
Zone 2–6
Habit
Tree
Edible part
Fruit
Ripens
Summer–autumn
Mature size
Tree 10–15 m with peeling amber bark
Light
Full sun to partial
Soil pH
6.0–7.0 (near-neutral)
Environment
Temperate
Native range
Manchuria (northeastern China), the Russian Far East, and Korea
Status
Ornamental
Years to fruit
2–4 yrs
Growth speed
Moderate to fast
Spacing
500 cm (197 in) apart — about 25 m² (269 sq ft) per plant
Leaf shape
Elliptic to oblong-ovate, 5–10 cm long, finely serrate margins, dark green and glossy above.
Root system
Worth knowing that in cultivation this is usually the rootstock's root system, not the species' — most Prunus are sold grafted, and vigour, suckering and soil tolerance follow the stock rather than the top. On its own roots the species is shallow-rooted, with the bulk in the top 40–60 cm spreading well beyond the canopy, so it dislikes cultivation underneath and competes badly with grass.
Fruit description
Small (about 8 mm), nearly black cherries borne in drooping clusters, with thin skin, bitter astringent flesh, and a single small stone.
Propagation
By seed, which shows a mix of non-deep and intermediate physiological dormancy — a warm stratification period (about 30 days near 20°C) followed by cold stratification (about 60 days near 4°C) gives the best germination rates; also grown from softwood cuttings.
Pollination
Hermaphrodite, insect-pollinated flowers — self-fertility isn't specifically documented for this species

The edible parts listed above are a starting point, not a field guide. Identify a plant with certainty — ideally against a local authority — before eating any part of it, and read the full disclaimer. Spotted something wrong? Report it.

Growing guide

Fertilizing. Grows best in fertile, well-drained soil across a wide pH range (5.0–8.0); established trees need feeding only every 2–3 years, applied in early spring, and benefit from a cool root run kept mulched with 7–10 cm of wood chips.

Growing tips. Grown chiefly for its glossy, exfoliating copper-to-golden bark, most striking in winter; tolerant of severe winter cold but stressed by summer heat, so keep the root zone cool and mulched.

Grow journal

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About the data

Zone figures are typical published ranges — microclimate, drainage and siting shift them by a zone in either direction. Store links are found by an automated search, refreshed every six weeks. Availability is seasonal; stock and prices are not tracked.

Venlo — a reference for cold-hardy edible plants