Cornus — 35 species
Botanical species in the genus Cornus recorded in the PlantPeers database.
Cornus alba
Cornus alba
Family: Cornaceae
Cultivation
Cornus alba is a very cold-hardy tree, tolerating temperatures down to around -35°c when dormant Succeeds in full sun or light shade. An easily grown plant, it succeeds in any soil of good or moderate fertility, though it prefers an organically rich, medium moisture, well-drained soil. Grows well in heavy clay soils and in dry soils.
Full cultivation guide →Cornus alternifolia
Cornus alternifolia
Family: Cornaceae
Cultivation
Cornus alternifolia is a very cold-hardy plant, tolerating temperatures down to about -25°c when dormant. In order to thrive, however, it also needs warm, sunny summers and is often a failure when grown in areas with cool summers, even if the winters are mild. Succeeds in full sun or light shade.
Full cultivation guide →Cornus amomum
Cornus amomum
Family: Cornaceae
Cultivation
Cornus amomum is a very cold-hardy plant, tolerating temperatures down to around -25°c when dormant. Succeeds in full sun or light shade. Prefers a moist, organically rich, slightly acidic soil in partial shade, though it is very tolerant and succeeds in any soil of good or moderate fertility, ranging from acid to shallow chalk.
Full cultivation guide →Cornus asperifolia
Cornus asperifolia
Family: Cornaceae
Cultivation
Cornus asperifolia is recorded in as only being hardy in zone 9, which means that it is unlikely to succeed outdoors in any but the milder areas of the temperate zone. However, since its native range in southeastern USA covers hardiness zones from 7 - 9, the plant is likely to be somewhat hardier and is likely to be able to tolerate winter temperatures down to at least -10°c. Succeeds in full sun or light shade.
Full cultivation guide →Cornus canadensis
Cornus canadensis
Family: Cornaceae
Cultivation
Cornus canadensis is a very cold-hardy plant, tolerating temperatures down to around -40°c when dormant. Growing within the Arctic circle in the north of its range, it is also found at higher elevations as far south as Virginia in N. America.
Full cultivation guide →Cornus capitata
Cornus capitata
Family: Cornaceae
Cultivation
Cornus capitata is not a very cold-hardy tree, tolerating temperatures down to between -5 and -10°c when dormant. It grows very well in the maritime climate of southwestern England, self-sowing and fruiting prolifically in Cornish woodland gardens and even doing well by the coast where it tolerates sea winds. Plants are not generally hardy, however, in the London area, sometimes being killed even when protected by a south-facing wall.
Full cultivation guide →Cornus chinensis
Cornus chinensis
Family: Cornaceae
Cultivation
Cornus chinensis is not generally considered to be very cold-tolerant based on plants grown from collections made in Assam which will only succeed outdoors only in areas where winter temperatures do not fall below about -5°c. More recent collections from Sichuan, however, are proving to be much more cold tolerant, perhaps to as low as -15°c. A specimen growing in a fairly open sunny position at Kew Gardens in April 1999 was about 10 years old and 2 metres tall.
Full cultivation guide →Cornus controversa
Cornus controversa
Family: Cornaceae
Cultivation
Cornus controversa is a very cold-hardy tree, tolerating temperatures down to around -25°c when dormant. It usually does not grow well in areas with hot summers. Succeeds in full sun or light shade, requiring afternoon shade in areas with warmer summers.
Full cultivation guide →Cornus drummondii
Cornus drummondii
Family: Cornaceae
Cultivation
Cornus drummondii is a moderately cold-hardy plant, tolerating temperatures down to around -20°c when dormant. The plant withstands extreme cold and very dry spells in its native habitat. Succeeds in full sun or light shade, flowering and fruiting best in a sunny position.
Full cultivation guide →Cornus florida
Cornus florida
Family: Cornaceae
Cultivation
Cornus florida is very cold-hardy, tolerating temperatures down to about -25°c when dormant. although the flowers and young growth in spring are subject to damage by late frosts. The plant grows best in areas with warm or hot summers in order to fully ripen its wood - in cool summer areas the wood can be damaged in the winter even if the weather is mild. Succeeds in full sun or light shade.
Full cultivation guide →Cornus foemina
Cornus foemina
Family: Cornaceae
Cultivation
Cornus foemina is not a very cold-hardy plant, tolerating temperatures down to around -8°c when dormant. Succeeds in ful sun and also in partial shade. Tolerant of many soil types, it requires a moist soil and will also succeed in wetter conditions.
Full cultivation guide →Cornus glabrata
Cornus glabrata
Family: Cornaceae
Cultivation
Cornus glabrata is a moderately cold-hardy plant, tolerating temperatures down to around -20°c when dormant Succeeds in full sun or light shade. An easily grown plant, it succeeds in any soil of good or moderate fertility, ranging from acid to shallow chalk. Grows well in heavy clay soils.
Full cultivation guide →Cornus hemsleyi
Cornus hemsleyi
Family: Cornaceae
Cultivation
Cornus hemsleyi is a moderately cold-hardy plant, tolerating temperatures down to around -20°c when dormant An easily grown plant, it succeeds in any soil of good or moderate fertility, ranging from acid to shallow chalk. Grows well in heavy clay soils. Succeeds in full sun or light shade.
Full cultivation guide →Cornus hongkongensis
Cornus hongkongensis
Family: Cornaceae
Cultivation
Cornus hongkongensis is not a very cold-hardy tree, tolerating temperatures down to around -5°c when dormant. It grows best in areas with hot summers and plenty of moisture, which encourages flowering and fruit set. Succeeds in full sun or light shade.
Full cultivation guide →Cornus iberica
Cornus iberica
Family: Cornaceae
Cultivation
Succeeds in full sun or light shade. An easily grown plant, it succeeds in any soil of good or moderate fertility, ranging from acid to shallow chalk. Grows well in heavy clay soils.
Full cultivation guide →Cornus kousa
Cornus kousa
Family: Cornaceae
Cultivation
Cornus kousa is a very cold-hardy tree, tolerating temperatures down to around -25°c when dormant. An easily grown plant, it succeeds in any soil of good or moderate fertility, from acid to slightly alkaline but dislikes shallow chalky soils. Grows well in heavy clay soils.
Full cultivation guide →Cornus kousa chinensis
Cornus kousa chinensis
Family: Cornaceae
Cultivation
Cornus kousa chinensis is a very cold-hardy tree, tolerating temperatures down to around -25°c when dormant. An easily grown plant, it succeeds in any soil of good or moderate fertility, ranging from acid to shallow chalk. Does not like chalky soils according to other reports.
Full cultivation guide →Cornus macrophylla
Cornus macrophylla
Family: Cornaceae
Cultivation
Cornus macrophylla is a moderately cold-hardy tree, tolerating temperatures down to around -20°c when dormant Succeeds in full sun or light shade. An easily grown plant, it succeeds in any soil of good or moderate fertility, ranging from acid to shallow chalk. Grows well in heavy clay soils.
Full cultivation guide →Cornus mas
Cornus mas
Family: Cornaceae
Cultivation
Cornus mas is a very hardy plant, tolerating temperatures down to about -25°c when dormant. An easily grown plant, it succeeds in any well-drained soil of good or moderate fertility, ranging from acid to shallow chalk. Grows well in heavy clay soils.
Full cultivation guide →Cornus meyeri
Cornus meyeri
Family: Cornaceae
Cultivation
Succeeds in full sun or light shade. An easily grown plant, it succeeds in any soil of good or moderate fertility, ranging from acid to shallow chalk. Grows well in heavy clay soils.
Full cultivation guide →Cornus multinervosa
Cornus multinervosa
Family: Cornaceae
Cultivation
Cornus multinervosa is a moderately cold-hardy plant, tolerating temperatures down to around -20°c when dormant. Prefers a rich well-drained loamy soil and a position that is at least partially sunny. An easily grown plant, it succeeds in any soil of good or moderate fertility, from acid to slightly alkaline but dislikes shallow chalky soils.
Full cultivation guide →Cornus nuttallii
Cornus nuttallii
Family: Cornaceae
Cultivation
Cornus nuttallii is hardy to about -15°c, but it requires long hot humid summers in order to promote good growth. The plant prefers a mild and moist climate - mediterranean-marine and temperate maritime weather patterns are typical. Average annual precipitation ranges from a low of 310mm to a high of 2,550mm with the majority of precipitation falling between late autumn and early spring as rain and/or snow depending on the elevation of the site.
Full cultivation guide →Cornus oblonga
Cornus oblonga
Family: Cornaceae
Cultivation
Cornus oblonga is not a very cold-hardy plant, tolerating temperatures down to around -5°c when dormant. Succeeds in full sun or light shade, though it prefers a position in semi-shade. An easily grown plant, it succeeds in any soil of good or moderate fertility, ranging from acid to shallow chalk.
Full cultivation guide →Cornus officinalis
Cornus officinalis
Family: Cornaceae
Cultivation
Cornus officinalis is a moderately cold-hardy plant, tolerating temperatures down to around -20°c when dormant. It grows best in regions with warm or cool summer climates, disliking intense heat. Succeeds in full sun or light shade, though it appreciates some afternoon shade in areas with hotter summers.
Full cultivation guide →Cornus racemosa
Cornus racemosa
Family: Cornaceae
Cultivation
Cornus racemosa is a very cold-hardy plant, tolerating temperatures down to around -25°c when dormant. Grows best in a sunny position, though it tolerates moderate shade. Prefers a rich, moist, well-drained soil, but will also grow on mineral-rich limestone bedrock and rock outcroppings.
Full cultivation guide →Cornus rugosa
Cornus rugosa
Family: Cornaceae
Cultivation
Cornus rugosa is a very cold-hardy tree, tolerating temperatures down to around -25°c when dormant. Succeeds in full sun or light shade. An easily grown plant, it succeeds in any soil of good or moderate fertility, ranging from acid to shallow chalk.
Full cultivation guide →Cornus sanguinea
Cornus sanguinea
Family: Cornaceae
Cultivation
Cornus sanguinea is a very cold-hardy plant, tolerating temperatures down to about -25°c when dormant. Plants succeed in full sun and are also relatively shade tolerant, though they are not happy when growing in dense shade. An easily grown plant, it prefers an organically rich, medium moisture, well-drained soil, though it succeeds in any soil of good or moderate fertility, ranging from acid to shallow chalk.
Full cultivation guide →Cornus schindleri
Cornus schindleri
Family: Cornaceae
Cultivation
Cornus schindleri is a fairly cold-hardy tree, tolerating temperatures down to around -10°c when dormant. It seems to grow best in areas with hot summers, the wood often failing to ripe in cool summer areas and the plant suffering winter damage even if the winter is mild. An easily grown plant, it succeeds in any soil of good or moderate fertility, ranging from acid to shallow chalk.
Full cultivation guide →Cornus sericea
Cornus sericea
Family: Cornaceae
Cultivation
Cornus sericea is a very cold-hardy shrub, tolerating temperatures down to around -40°c when dormant Succeeds in full sun and also in partial shade. An easily grown plant, it does best in an organically rich, medium to wet soil, though it is tolerant of a wide range of soils, including swampy or boggy conditions, acid soils and shallow chalk. Grows well in heavy clay soils.
Full cultivation guide →Cornus sessilis
Cornus sessilis
Family: Cornaceae
Cultivation
Cornus sessilis is a moderately cold-hardy plant, tolerating temperatures down to around -150°c when dormant. An easily grown plant, it succeeds in any soil of good or moderate fertility, ranging from acid to shallow chalk. Grows well in heavy clay soils.
Full cultivation guide →Cornus suecica
Cornus suecica
Family: Cornaceae
Cultivation
Cornus suecica grows within the Arctic Circle and is a very cold-hardy plant, tolerating temperatures down to around -40°c when dormant. It can also be found at higher elevations up to 900 metres further south in the Northern Hemisphere (as far south as Britain and Germany in Europe). It does not grow well in areas with hot summers.
Full cultivation guide →
Cornus volkensii
Cornus volkensii
Family: Cornaceae
Cultivation
A plant of moderate to higher elevations in the tropics, where it grows naturally at elevations from 1,200 - 3,000 metres. The tree can succeed in fairly moist, somewhat swampy soils. A dioecious species, both male and female forms need to be grown if fruit and seed are required.
Full cultivation guide →Cornus walteri
Cornus walteri
Family: Cornaceae
Cultivation
Cornus walteri is a moderately cold-hardy plant, tolerating temperatures down to around -20°c when dormant. Succeeds in full sun or light shade. An easily grown plant, it succeeds in any soil of good or moderate fertility, ranging from acid to shallow chalk.
Full cultivation guide →Cornus wilsoniana
Cornus wilsoniana
Family: Cornaceae
Cultivation
Cornus wilsoniana is a somewhat cold-hardy tree, tolerating temperatures down to around -15°c when dormant. An easily grown plant, it succeeds in any soil of good or moderate fertility, ranging from acid to shallow chalk. Grows well in heavy clay soils.
Full cultivation guide →Cornus × unalaschkensis
Cornus × unalaschkensis
Family: Cornaceae
Cultivation
Cornus × unalaschkensis grows within the Arctic Circle and is a very cold-hardy plant, tolerating temperatures down to around -40°c when dormant. It can also be found at higher elevations up to 3,000 metres further south in the Northern Hemisphere (as far south as California according to one report). It does not grow well in areas with hot summers.
Full cultivation guide →