Cornus Growing Tips and Care Instructions

Growing Cornus trees is relatively easy, but they do require some care to thrive. They prefer well-drained soil and full sun to partial shade.

To ensure your Cornus tree gets the right amount of sunlight, plant it in a location that receives at least 4 hours of direct sunlight per day.

Cornus trees can tolerate a range of soil types, but they do best in slightly acidic to neutral soil with a pH between 6.0 and 7.0.

Regular watering is essential, especially during the first year after planting. Water your Cornus tree when the top 2-3 inches of soil feel dry to the touch.

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Dogwood trees and shrubs thrive in part shade, but some varieties also benefit from full sun.

To ensure your dogwood gets the right amount of water, don't let drought affect it, especially in high heat. Water it deeply, especially in full sun.

For pruning, use a sterile tool in late fall, winter, or early spring (March) when the tree is dormant. Pruning is mostly for aesthetic reasons to reshape the tree and remove dead branches.

Here are some specific pruning tips:

If you're planting a dogwood tree, the best time to do so is in the early spring or the early to late fall, depending on your climate.

Cornus species are incredibly versatile, and with the right conditions, they can thrive in a variety of environments. They're a favorite among gardeners in the US, where there's a dogwood for almost every part of the country.

Some Cornus species are naturally adapted to wet habitats and can be used along highways and in naturalizing landscape plantings. These species, such as Cornus stolonifera, are particularly noticeable in winter due to their bright red or yellow stems.

If you're looking for a Cornus species that will add some winter interest to your garden, consider Cornus alba 'Sibirica', which has deep red stems in winter. It's a hardy shrub that reaches 3m in height.

The Royal Horticultural Society has awarded the following Cornus cultivars with the Award of Garden Merit: 'Eddie's White Wonder', 'Norman Hadden', 'Ormonde', and 'Porlock'.

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Light is an essential factor in dogwood care. Most dogwood trees and shrubs prefer part shade, but some varieties can thrive in full sun.

To ensure your dogwood gets the right amount of light, choose a location that receives dappled sunlight or select a variety that tolerates full sun.

Dogwoods love rich, damp, well-draining soil that's slightly acidic. If your soil isn't already acidic, consider adding some organic matter to improve its pH.

Water your dogwood deeply, especially in high heat, to prevent drought stress. However, avoid extreme heat or dry conditions, as this can be detrimental to the tree's health.

Pruning is essential for maintaining your dogwood's shape and promoting healthy growth. Prune your dogwood in late fall, winter, or early spring (March) using a sterile tool to avoid attracting pests and infections.

Here's a quick rundown of the best pruning times for dogwoods:

Avoid pruning in spring or summer, as this can lead to oozing wounds and attract pests.

There are approximately 50 to 60 species of dogwood, mainly found in the temperate zone of the Northern Hemisphere.

These hardy deciduous shrubs or small trees are not too fussy when it comes to location and grow vigorously.

Some popular varieties include Cornus kousa 'China Girl', which produces white bracts in June followed by strawberry-like fruits after a hot summer, and Cornus mas, a valuable winter-flowering hardy shrub with tiny scented yellow flowers on bare stems in January and February.

Here are some notable dogwood varieties:

The dogwood genus comprises about 50 to 60 species, mainly distributed in the temperate zone of the Northern Hemisphere.

These species are not too fussy when it comes to location, growing vigorously and tolerating pruning well.

The classification of dogwood recognizes a single, inclusive genus Cornus, with four subgroups and ten subgenera supported by molecular phylogeny.

Geographical ranges as native plants are given below, indicating the different areas where dogwood species can be found.

In fact, the bark of a dogwood tree is scaly, looking like nearly uniform square scales.

If you're looking to grow dogwoods in your garden, there are many varieties to choose from. Let's take a look at some of the most popular ones.

Cornus kousa 'China Girl' is a flowering dogwood that produces white bracts in June, followed by strawberry-like fruits after a hot summer. It's a small, hardy tree or shrub that reaches 6m in height.

Cornus mas is a valuable winter-flowering hardy shrub that offers tiny scented yellow flowers on bare stems in January and February. It reaches a height of 3m.

If you're looking for something a bit more unusual, consider Cornus sanguinea 'Midwinter Fire', a hardy shrub grown primarily for its bright orange/red winter stems. It's ideal for damp soil and reaches a height of 1m.

For a more dramatic effect, try Cornus controversa 'Variegata', often called the wedding cake tree due to its tiers of branches. It has variegated foliage and small white flowers in early summer, and when fully mature, it reaches 10m in height.

If you want something a bit more compact, Cornus alba 'Sibirica' is a good option, with deep red stems in winter and a height of 3m.

Here are some of the most popular dogwood varieties to grow, with their characteristics:

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Common dogwood, also known as bloody dogwood, is a great choice for providing food for birds. It's native throughout the Continent and in Asia and North America.

This low-maintenance dogwood species thrives along woodland edges and prefers calcareous to slightly acidic, moist to dry soils in sun to partial shade. It can grow up to 4 m tall and broadens out with age.

The leaves turn bright wine-red to orange in the autumn and sit opposite each other on blood-red shoots. The 'Winter Beauty' variety has similarly striking orange-yellow shoots.

Between May and June, white, slightly fragrant flowers appear in umbels, forming black, spherical fruits that are slightly poisonous when raw. These fruits can be used in herbal medicine or even to make jam or juice.

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Japanese cherry, also known as Japanese cornelian cherry or Japanese cornel, is a dogwood tree that can grow up to 7 meters tall.

It's a fast-growing tree that thrives in fresh to moist, well-draining soils in sunny to semi-shady spots. Its bright yellow flowers attract numerous bees and other pollinators in March and April.

The tree displays red-brown autumn color on its branches, which are relatively narrow and grey-brown. The red stone fruits that ripen from August make great food for birds and small mammals, and are also suitable for making into wild fruit jams or compotes.

These fruits can remain on the tree hanging throughout the winter, unlike Cornus mas, which typically falls off. Here are some popular Japanese cherry varieties:

Creeping dogwood is a low-growing perennial that reaches a height of 10 to 20 cm.

It's a great option for groundcover in moist, weakly acidic to neutral forest soils, especially in partial shade.

Creeping dogwood is evergreen during milder winters, with a slight orange-red tinge to its small, oval-pointed leaves.

These leaves are a lovely addition to any garden, and they're surrounded by white flowers in June.

The fruits of creeping dogwood are a bright, poppy red colour and resemble dwarf dogwood.

Blue- or white-fruited dogwoods are a unique group of plants, and understanding their characteristics can be helpful when deciding which one to grow in your garden.

The flowers of these dogwoods are arranged in paniculate or corymbose cymes. This means they have a specific type of inflorescence that's worth noting.

The bracts of these flowers are minute and nonmodified. This is a key characteristic that sets them apart from other types of dogwoods.

There are three subgroups within the blue- or white-fruited dogwoods: Yinquania, Kraniopsis, and Mesomora.

Here are some key characteristics of each subgroup:

Cornelian cherries are a fascinating group of dogwood species. They belong to the Cornus genus, which includes several subgenera, such as Afrocrania, Cornus, Sinocornus, and Arctocrania.

The subgenus Afrocrania is dioecious, meaning that male and female plants are separate, with bracts of 4. In contrast, the subgenera Cornus and Sinocornus are hermaphroditic, with bracts of 4 or 6.

Some notable species of cornelian cherry include the Japanese cornelian cherry (Cornus officinalis) and the Cornelian cherry (Cornus mas). The Japanese cornelian cherry is a fast-growing tree that can reach heights of 4 to 7 meters, while the Cornelian cherry is a wild fruit tree that grows as a large shrub or small tree of 6 to 8 meters in height.

Here are some key characteristics of cornelian cherry species:

Dogwood trees have simple, untoothed leaves with veins curving distinctively as they approach the leaf margins.

Most dogwood species have opposite leaves, while a few have their leaves alternate.

The flowers of dogwood trees have four parts, and in many species, they are borne separately in open clusters.

In various other species, the flowers are tightly clustered, lacking showy petals, but surrounded by four to six large, typically white petal-like bracts.

The fruits of all dogwood species are drupes with one or two seeds, often brightly colorful.

The drupes of species in the subgenus Cornus are edible, while those in subgenus Swida are mildly toxic to people.

Dogwood trees can grow up to 25 meters tall, but the smallest species, the Canadian bunchberry, is a low-growing, deciduous shrub.

The leaves of dogwood trees are oval and oppositely arranged on the twig, with very prominent venation.

The fruit of the flowering dogwood tree is an important wildlife food, and it's an attractive red droop that will be in clusters of usually 3 to 5 shiny bright red berries.

Dogwood trees may not produce fruit for the first 10 years, but if they were not grown from seeds, they could produce flowers and berries a lot more quickly.

The flowers of the flowering dogwood emerge before the leaves in early spring, and its true flowers are visited by butterflies and specialized bees.

The "flowers" of the flowering dogwood are one of the most confounding features of dogwood, and what people perceive to be the flower is a false flower, surrounded by four large "petals" that are involucral bracts.

The bark of dogwood trees is scaly, looking like uniform square scales, and older trees with patched bark may begin to peel.

The leaves of dogwood trees turn a scarlet red in the fall before dropping, and the fruit is an important food source for birds.

Dogwood trees prefer fresh to moist soils with good drainage and an acidic to neutral pH, and some species prefer morning sun and afternoon shade.

Cornus is a diverse genus with over 60 species, ranging from small shrubs to large trees. Some species, like Cornus florida, can grow up to 40 feet tall.

The Cornus genus is native to the Northern Hemisphere, with species found in North America, Europe, and Asia. The distribution of Cornus species is quite widespread.

Cornus species are known for their showy flowers, which are often white, pink, or red. These flowers are a favorite of many pollinators, like bees and butterflies.

The fruit of Cornus species is a drupe, which means it has a single seed surrounded by a fleshy outer layer. This type of fruit is often eaten by birds and small mammals.

In some parts of the world, Cornus species are used as a food source. For example, the fruit of Cornus mas is edible and has been used in jams and preserves.

If your cornus are grown for their winter stems and the colour is disappointing, it's likely due to a lack of winter sun. This is because cornus need plenty of winter sun to encourage bright stems.

Crowding your plants with too many sun-blocking evergreens can also result in poor colour. It's best to give your cornus some space to soak up the sun.

Cutting back stems hard in March is essential to encourage fresh new growth. It's the new stems that offer the best colour.