// SPECIES PROFILE · TREE · NATIVE · WILDLIFE / TIMBER
The largest of NE Oklahoma's native cherries — a forest-canopy tree of the Ozark uplands and bottomland edges, with elongated white flower racemes in May, small dark fruit gobbled by birds and bears through August, the unmistakable "burnt-cornflakes" bark of mature trunks, and the famous reddish-brown heartwood that has been the premier American cabinet timber for two centuries. Black cherry is also one of the most ecologically valuable trees in eastern North America — over 450 species of native Lepidoptera use it as a host plant per Doug Tallamy's insect-host research, the highest count in the entire Prunus genus and one of the highest of any single eastern tree species.
[ field key — burnt-cornflakes bark · pendant racemes · serrated lance-leaves · bitter-almond inner bark ]
Young trees: smooth, lustrous, reddish-brown to dark gray with prominent horizontal lenticels (just like the bark of the cultivated sweet cherry, only darker). Mature trees: bark breaks into the unmistakable "burnt-cornflakes" pattern — small, dark gray-black, slightly upturned scaly plates. The transition happens over decades and the two patterns co-exist on the same trunk for years. Crushed inner bark smells distinctly of bitter almonds (the cyanogenic glycoside prunasin) — a fast confirmation in the field.
Alternate, simple, narrowly elliptic to lance-shaped, 2–6 in long, finely incurved-serrate on the margins (the teeth point forward and curl in toward the leaf tip — a diagnostic Prunus serotina feature). Upper surface lustrous dark green; lower surface paler, with a distinctive line of rust-colored hairs along the midrib (look closely; this is the easiest P. serotina field confirmation). Petiole bears two reddish glands near the leaf blade. Fall color clean clear yellow with rose tones.
Flowers in elongated pendant racemes 4–6 in long at the tips of the current-year shoots in mid May — this elongated raceme is the easy way to distinguish black cherry from chokecherry (whose racemes are similar but typically borne on shorter shoots and ripening to red), and from American plum (whose flowers are clustered, not raceme-borne). Each flower 8–12 mm across, white, fragrant, attracting bees and small flies. Fruit a small dark purple-black drupe ~8–10 mm, bitter-sweet, with a single hard pit; ripens July–August; stains pavement and cars heavily.
Most often confused with Prunus virginiana (chokecherry), which is shrubby or small-tree, has rounder leaves, ripens to red rather than black, and lacks the rust-hair midrib. P. mexicana (Mexican plum) has solitary or umbel-clustered flowers, not racemes. P. americana (American plum) has clustered flowers and larger reddish plums. The cultivated sweet cherry (P. avium) has solitary or umbel-clustered flowers and large red-yellow edible cherries.
Prunus serotina is one of the most widely distributed trees of eastern North America — native from Nova Scotia to Florida and west to Oklahoma and Texas, with disjunct mountain populations as far south as Guatemala. In NE Oklahoma it is genuinely common across the Ozark uplands of Cherokee, Adair, Delaware, Mayes, and northern Sequoyah counties, in Cross Timbers oak-hickory transition forests, along bottomland forest margins, in fence-rows, and as a pioneer in old field edges and second-growth woods throughout the Tulsa region.
Black cherry is a classic opportunistic forest tree: it germinates readily in disturbed forest gaps, grows fast for the first 20–40 years on good sites, and is shade-tolerant enough to recruit slowly under a partial canopy. Birds (especially American robin, cedar waxwing, and many thrushes) move enormous quantities of seed each summer, which is why black cherry seedlings are one of the most reliable volunteers in any disturbed woodland edge in NE Oklahoma. The species reaches its best development on deep moist Ozark loams; it tolerates rocky uplands and clay but stays smaller and shorter-lived on poor sites.
[ host plant · fruit mast · pollinator · forest succession ]
Doug Tallamy's USDA-funded research at the University of Delaware documented ~450+ species of native Lepidoptera larvae using Prunus serotina as a host plant in the eastern US — among the highest counts of any single eastern tree species, second only to native oaks (Quercus) and slightly above willows (Salix). Notable species supported include cecropia moth, promethea moth, eastern tiger swallowtail (one of several hosts), red-spotted purple, viceroy, eastern tent caterpillar (the famous early-spring webs are Malacosoma americanum, the most visible of the cherry's lepidopteran associates), and dozens of small geometrid and noctuid moths. Black cherry is not just a nice tree — it is an ecological powerhouse.
Roughly 70 species of birds are documented eating black cherry fruit — including American robin, cedar waxwing, eastern bluebird, gray catbird, red-eyed and warbling vireo, summer tanager, scarlet tanager, rose-breasted grosbeak, northern cardinal, eastern kingbird, and most thrushes. Mammals include black bear (in the Ouachita ecoregion), raccoon, gray and red fox, opossum, eastern chipmunk, and squirrels. The seed passes through bird and mammal guts intact — gut passage actually improves germination — making frugivores the primary dispersal mechanism.
The pendant white racemes are an important early-to-mid-May nectar source for honey bees, bumble bees, native solitary bees, and small flies. Most of the pollination is done by bees and small flies; the fragrance is strongest at midday. Cherry honey is occasionally sold by NE Oklahoma beekeepers as a specialty.
Black cherry is a classic mid-successional species — pioneer enough to colonize disturbed sites, shade-tolerant enough to persist in mixed-canopy forest. It is one of the dominant trees of the Allegheny hardwood forest type (PA/NY) where it reaches its highest commercial value. In NE Oklahoma it is more of a co-dominant in oak-hickory and bottomland mixed forest, less dominant than in its Appalachian center.
[ siting · planting · pruning · pests · cultivars ]
Bare-root or container in late winter (February–March) before bud break, or fall (October–November). Direct-sown seed germinates after cold-moist stratification for 90–120 days — outdoor fall sowing (broadcast under leaf litter) is the easiest method.
Prune in late summer (July–August), not in dormant season. Cherry is a bleeder when pruned in spring — sap flow is heavy and wounds dry slowly — and it is highly susceptible to silver-leaf and bacterial canker through dormant-season wounds. Light formative pruning for structure; remove dead, crossing, or rubbing limbs. Old field-grown trees often have heavy lower limbs that should be limbed up early to encourage clean trunk development.
| Cultivar | Form | Distinguishing feature | Notes |
|---|---|---|---|
| Wild type | Tall forest tree | Standard species form | The best ecological choice; also the source of the timber industry's stock. |
| 'Cartilaginea' | Smaller, denser | Glossier, somewhat thicker leaves | Older European nursery selection; rare. |
| 'Pendula' / weeping forms | Weeping | Pendant branches | Top-grafted ornamental; uncommon in OK trade. |
| Allegheny / PA timber-grade selections | Tall straight bole | Grown for cabinet timber in PA/NY/WV | Not sold as a landscape cultivar; a forestry industry stock. |
For most NE Oklahoma planting purposes, the wild-type local seed is the best choice — locally adapted to drought, clay, and the regional pest community.
Black cherry has perhaps the deepest material-culture record of any native eastern tree — a centuries-long history as a furniture wood, a cordial flavor, a folk-medicinal cough remedy, and a wildlife and game-cover staple.
[ guild · polyculture · cross-layer pairings ]
In a shaded woodland understory, black cherry pairs naturally with: american beautyberry (Callicarpa americana), crossvine (Bignonia capreolata), american alumroot (Heuchera americana), inland sea oats (Chasmanthium latifolium), cosmos (Cosmos bipinnatus), and downy serviceberry (Amelanchier arborea).
black cherry works best as a canopy partner above the herbaceous and shrub layers.