TREES & plants

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  • Clethra alnifolia (Summersweet clethra)

    Also known as: Summersweet clethra, Summersweet, Clethra, Sweet Pepperbush

    A wide variety of butterflies and songbirds are attracted to summersweet clethra for its nectar and seeds. Native to the eastern United States, it has lustrous green leaves in the spring, spiky white or pink fragrant flowers during the summer, golden yellow leaves in the fall, and interesting, delicate dried seed capsules in winter to provide exceptional four-season interest.

    Size Range: 
    • Medium shrub (5-8 feet), 
    • Small shrub (3-5 feet)

    Light Exposure: 
    • Full sun (6 hrs direct light daily), 
    • Partial sun/shade (4-6 hrs light daily), 
    • Full shade (4 hrs or less of light daily)

    Native Locale: 
    • North America

  • Cobaea scandens (Cup-and-saucer vine (ANNUAL VINE))

    Also known as: Cup-and-saucer vine, missionary bells, cathedral bells

    Cup-and-saucer vine is an easy to grow annual that supplies a quantity of unique flowers from mid-summer on. The flowers do look like little teacups sitting in saucers.

    Size Range: 
    • Large plant (more than 24 inches)

    Light Exposure: 
    • Full sun (6 hrs direct light daily)

    Native Locale: 
    • Non-native

  • Comptonia peregrina (Sweet-fern)

    Also known as: Sweet-fern, Sweetfern

    Sweet-fern is a colony-forming, small shrub with wonderfully aromatic fern-like leaves. This shrub is a useful selection in the landscape for erosion control and naturalizing, due to its tolerance of adverse conditions. It is adaptable to poor, infertile soil and is also drought, salt, and heat resistant.

    Size Range: 
    • Small shrub (3-5 feet), 
    • Low-growing shrub (under 3 feet)

    Light Exposure: 
    • Full sun (6 hrs direct light daily), 
    • Partial sun/shade (4-6 hrs light daily)

    Native Locale: 
    • Chicago area, 
    • Illinois, 
    • North America

  • Convallaria majalis (Lily of the valley)

    Also known as: Lily-of-the-Valley, Lily of the Valley, Lady's tears

    Lily-of-the-valley is an old-fashioned, shade-loving ground cover reaching 6 to 8 inches tall. In mid-spring many bell-shaped, waxy white flowers appear on an erect stalk.

    Size Range: 
    • Small plant (6-12 inches), 
    • Low-growing plant (under 6 inches)

    Light Exposure: 
    • Partial sun/shade (4-6 hrs light daily), 
    • Full shade (4 hrs or less of light daily)

    Native Locale: 
    • Non-native

  • Cornus alba (Siberian Dogwood)

    Also known as: Siberian dogwood, Tatarian dogwood

    Siberian dogwood may not have the showiest flowers but it adds a nice spring color to the landscape. Prized for its dark green summer foliage, red winter stems and bluish white fruit. Best suited moist areas along a stream or pond edge and in shrub borders.

    Size Range: 
    • Large shrub (more than 8 feet), 
    • Medium shrub (5-8 feet)

    Light Exposure: 
    • Full sun (6 hrs direct light daily), 
    • Partial sun/shade (4-6 hrs light daily)

    Native Locale: 
    • Non-native

  • Cornus alternifolia (Pagoda dogwood)

    Also known as: Pagoda dogwood, Alternate-leaved dogwood, Alternate-leaf dogwood

    Pagoda dogwood is an excellent native plant for the four season garden. The unique horizontal branching pattern has a distinct tiered habit, often catching snow in the winter. Clusters of white flowers show up in spring, dark green foliage turns a beautiful burgundy-red in fall, and blue-black berries attract many birds.

    Size Range: 
    • Small tree (15-25 feet), 
    • Compact tree (10-15 feet), 
    • Large shrub (more than 8 feet)

    Light Exposure: 
    • Full sun (6 hrs direct light daily), 
    • Partial sun/shade (4-6 hrs light daily)

    Native Locale: 
    • Chicago area, 
    • Illinois, 
    • North America

  • Cornus amomum (Silky dogwood)

    Also known as: silky dogwood

    Silky dogwood is a large to medium-sized native shrub with creamy white spring flowers, dark green foliage, and reddish stems and burgundy fall color. A great 4-season plant for naturalizing, in mass, and in shrub borders, especially in moist sites.

    Size Range: 
    • Large shrub (more than 8 feet), 
    • Medium shrub (5-8 feet)

    Light Exposure: 
    • Full sun (6 hrs direct light daily), 
    • Partial sun/shade (4-6 hrs light daily), 
    • Full shade (4 hrs or less of light daily)

    Native Locale: 
    • Illinois, 
    • North America

  • Cornus drummondii (Rough-leaved dogwood)

    Also known as: Rough-leaved dogwood, roughleaf dogwood

    Rough-leaved dogwood is a native large shrub or small tree, often mistaken for gray dogwood. Named for the rough textured leaves, it has fleshy white fruit, dark green foliage that turns burgundy red fall color. Best used for naturalizing in moist areas. May be difficult to find in nurseries.

    Size Range: 
    • Small tree (15-25 feet), 
    • Large shrub (more than 8 feet)

    Light Exposure: 
    • Full sun (6 hrs direct light daily), 
    • Partial sun/shade (4-6 hrs light daily)

    Native Locale: 
    • Illinois, 
    • North America

  • Cornus florida (Flowering dogwood)

    Also known as: Flowering dogwood

    Flowering dogwood is a small to medium woodland understory tree, native throughout most of the eastern United States. Showy white, red or pink flowering bracts appear before the leaves in early spring. Dark green summer foliage turns a brilliant reddish purple in fall. It is sensitive to adverse soil and environmental conditions such as road salt and pollution.

    Size Range: 
    • Medium tree (25-40 feet), 
    • Small tree (15-25 feet)

    Light Exposure: 
    • Full sun (6 hrs direct light daily), 
    • Partial sun/shade (4-6 hrs light daily), 
    • Full shade (4 hrs or less of light daily)

    Native Locale: 
    • Chicago area, 
    • Illinois, 
    • North America

  • Cornus kousa (Kousa dogwood)

    Also known as: Kousa dogwood

    Kousa dogwood is an excellent small specimen tree. Two outstanding characteristics are the four-petaled, white flowers that appear above the foliage in June and reddish-purple fall color. In the Midwest, this is a hardier substitute for the acid-loving flowering dogwood. The shallow root system will benefit from a layer of mulch to maintain a cool root environment.

    Size Range: 
    • Medium tree (25-40 feet), 
    • Small tree (15-25 feet)

    Light Exposure: 
    • Full sun (6 hrs direct light daily), 
    • Partial sun/shade (4-6 hrs light daily)

    Native Locale: 
    • Non-native

  • Cornus mas (Cornelian-cherry dogwood)

    Also known as: cornelian-cherry dogwood, corneliancherry dogwood

    Cornelian-cherry dogwood is a small, 20- to 25-foot-high tree or large shrub that thrives in well-drained urban conditions as a specimen plant, in masses, near a patio, or as a hedge. The tree is native to Europe and Asia.

    Size Range: 
    • Small tree (15-25 feet), 
    • Compact tree (10-15 feet), 
    • Large shrub (more than 8 feet)

    Light Exposure: 
    • Full sun (6 hrs direct light daily), 
    • Partial sun/shade (4-6 hrs light daily)

    Native Locale: 
    • Non-native

  • Cornus officinalis (Japanese cornel)

    Also known as: Japanese cornel, Japanese cornelian-cherry, Asian dogwood

    Japanese cornel is very similar to the popular cornelian-cherry dogwood (Cornus mas). It has the same bright yellow flowers in early spring, followed by oblong cherry-red fruits. Flowering occurs slightly earlier on this species and the form is more open. It can be grown as a large shrub or small tree.

    Size Range: 
    • Small tree (15-25 feet)

    Light Exposure: 
    • Full sun (6 hrs direct light daily), 
    • Partial sun/shade (4-6 hrs light daily)

    Native Locale: 
    • Non-native

  • Cornus pumila (Dwarf Dogwood)

    Also known as: Dwarf dogwood, Dwarf red-tipped dogwood, Dwarf redtwig dogwood

    Dwarf dogwood, also known as red tipped dogwood is a small compact, mounded shrub reaching 2 to 3 feet high and 3 to 4 feet wide. New leaves emerge purplish-red leaf and leaf tips remain red as the rest of leaf matures to green. In late spring, abundant clusters of slightly fragrant flowers attract butterflies. The mature black fruit are a favorite of birds. Use in a group or as a low hedge.

    Size Range: 
    • Low-growing shrub (under 3 feet)

    Light Exposure: 
    • Full sun (6 hrs direct light daily), 
    • Partial sun/shade (4-6 hrs light daily)

    Native Locale: 
    • Non-native

  • Cornus racemosa (Gray dogwood)

    Also known as: Gray dogwood, Panicled dogwood

    Gray dogwood is a very adaptable, native shrub that is excellent for naturalizing, especially in difficult sites, such as pond and stream banks. Although its suckering, spreading habit makes it impractical for formal plantings, it can be incorporated into the shrub border and useful as a mass planting. Creamy white clusters of flowers in May are followed by white berries in late summer that are quickly eaten by birds.

    Size Range: 
    • Large shrub (more than 8 feet)

    Light Exposure: 
    • Full sun (6 hrs direct light daily), 
    • Partial sun/shade (4-6 hrs light daily), 
    • Full shade (4 hrs or less of light daily)

    Native Locale: 
    • Chicago area, 
    • Illinois, 
    • North America

  • Cornus sanguinea (Blood-twigged dogwood)

    Also known as: Blood-twigged dogwood, common dogwood, dogberry, European dogwood, bloodtwig dogwood

    Blood-twigged dogwood is a medium-sized shrub, popular mainly for its straight stems and branches, which turn a mix of green and red in winter. It has flat-topped fluffy clusters of white flowers, more smelly than fragrant, in late summer, followed by small black fruit.

    Size Range: 
    • Large shrub (more than 8 feet), 
    • Medium shrub (5-8 feet)

    Light Exposure: 
    • Full sun (6 hrs direct light daily), 
    • Partial sun/shade (4-6 hrs light daily)

    Native Locale: 
    • Non-native

  • Cornus sericea subsp. sericea (Red-osier dogwood)

    Also known as: Red-osier dogwood, redosier dogwood, red osier dogwood, red twig dogwood

    Red-osier dogwood is a large erect shrub best suited where the background, such as evergreens, will show off the dark red winter stems. Besides attractive, red stems in the winter, red-osier dogwood has yellowish-white flowers that appear in late May to early June and bluish-white fruit borne in late summer. This species was formerly known as Cornus stolonifera.

    Size Range: 
    • Large shrub (more than 8 feet), 
    • Medium shrub (5-8 feet)

    Light Exposure: 
    • Full sun (6 hrs direct light daily), 
    • Partial sun/shade (4-6 hrs light daily)

    Native Locale: 
    • Chicago area, 
    • Illinois, 
    • North America

  • Cornus x rutgersensis (C. florida x C. kousa) (Hybrid flowering dogwood)

    Also known as: hybrid flowering dogwood

    Hybrid flowering dogwood, a cross between flowering dogwood and Kousa dogwood, is represented by several cultivars in the trade. Most are white-flowered (Stellar Pink® has pink flowers). These cultivars are resistant to dogwood borer and dogwood anthracnose (a serious disease).

    Size Range: 
    • Small tree (15-25 feet), 
    • Compact tree (10-15 feet)

    Light Exposure: 
    • Full sun (6 hrs direct light daily), 
    • Partial sun/shade (4-6 hrs light daily)

    Native Locale: 
    • Non-native

  • Corylopsis spicata (Spiked winter-hazel)

    Also known as: Spiked winter-hazel, spiked winter hazel

    Spiked winter-hazel is one of the first flowering shrubs in early spring. Profuse, 1- to 2-inch-long pendulous racemes of pale yellow, cup-shaped flowers appear before the leaves. Upright, spreading shrub reaches 5 to 7 feet high, emerging leaves are reddish-purple changing to a blue-green. Excellent in sun or shade. May be difficult to find in nurseries.

    Size Range: 
    • Medium shrub (5-8 feet), 
    • Small shrub (3-5 feet)

    Light Exposure: 
    • Full sun (6 hrs direct light daily), 
    • Partial sun/shade (4-6 hrs light daily)

    Native Locale: 
    • Non-native

  • Corylus americana (American hazelnut)

    Also known as: American hazelnut, American Filbert, American hazel

    American hazelnut is a thicket-forming native shrub, excellent for naturalizing, woodland gardens and shade areas. Showy male flowers (catkins) add early spring interest, dark green leaves turn a beautiful kaleidoscope of colors in the fall. The nuts mature from September to October, attracting seed-eating birds, such as blue jays and woodpeckers.

    Size Range: 
    • Large shrub (more than 8 feet), 
    • Medium shrub (5-8 feet)

    Light Exposure: 
    • Full sun (6 hrs direct light daily), 
    • Partial sun/shade (4-6 hrs light daily)

    Native Locale: 
    • Chicago area, 
    • Illinois, 
    • North America

  • Corylus avellana (European hazelnut)

    Also known as: European hazelnut, European filbert, European hazel, filbert, giant filbert, hazelnut, cobnut

    European hazelnut is often grown as a large shrub, but it can also be used as a small tree. This species produces edible hazelnuts or filberts.

    Size Range: 
    • Small tree (15-25 feet), 
    • Compact tree (10-15 feet), 
    • Large shrub (more than 8 feet)

    Light Exposure: 
    • Full sun (6 hrs direct light daily), 
    • Partial sun/shade (4-6 hrs light daily)

    Native Locale: 
    • Non-native

  • Corylus colurna (Turkish hazelnut)

    Also known as: Turkish hazelnut, Turkish hazel, Turkish filbert

    Turkish hazelnut is an excellent hardy tree for lawns, street plantings, and urban conditions. Its heavy-textured, dark green foliage is free of insect and disease. This tree is also pH adaptable and tolerant of heat, cold, and drought once it is established.

    Size Range: 
    • Large tree (more than 40 feet)

    Light Exposure: 
    • Full sun (6 hrs direct light daily), 
    • Partial sun/shade (4-6 hrs light daily)

    Native Locale: 
    • Non-native

  • Cotinus coggygria (Eurasian smoke tree)

    Also known as: Eurasian smoke tree, Smoke tree, Smoke bush, Smoketree, Smokebush

    The outstanding feature of Eurasian smoke tree is the large, airy, plume-like stalks that hold the small flowers. These are covered with hairs that provide the appearance of a puff of smoke.

    Size Range: 
    • Compact tree (10-15 feet), 
    • Large shrub (more than 8 feet)

    Light Exposure: 
    • Full sun (6 hrs direct light daily), 
    • Partial sun/shade (4-6 hrs light daily)

    Native Locale: 
    • Non-native

  • Cotinus obovatus (American smoke tree)

    Also known as: American smoke tree, American smoketree, Chittamwood

    American smoke tree (Cotinus obovatus; syn. Cotinus americanus) is a native of North America, but is little used in home landscapes. This small to medium tree produces the same 'smoke' (hairy fruit stalks) as it's Eurasian cousin, smoke bush and also offers excellent fall color.

    Size Range: 
    • Medium tree (25-40 feet), 
    • Small tree (15-25 feet), 
    • Compact tree (10-15 feet), 
    • Large shrub (more than 8 feet)

    Light Exposure: 
    • Full sun (6 hrs direct light daily), 
    • Partial sun/shade (4-6 hrs light daily)

    Native Locale: 
    • North America

  • Cotoneaster 'Hessei' (Hesse cotoneaster)

    Also known as: Cotoneaster, Hesse cotoneaster

    Hesse cotoneaster is a hybrid between Cotoneaster horizontalis and Cotoneaster adpressus var. praecox. This low-growing cotoneaster was selected by The Morton Arboretum and introduced through the Chicagoland Grows™ introduction program. Hesse cotoneaster makes a wonderful ground cover, draped over a wall, or used in mass.

    Size Range: 
    • Low-growing shrub (under 3 feet)

    Light Exposure: 
    • Full sun (6 hrs direct light daily), 
    • Partial sun/shade (4-6 hrs light daily)

    Native Locale: 
    • Non-native

  • Cotoneaster acutifolia (Peking cotoneaster)

    Also known as: Peking cotoneaster

    Peking cotoneaster, often confused with hedge cotoneaster, is a large shrub for back of the border. Small pink flowers and reddish, persistent fruit attract birds and wildlife.

    Size Range: 
    • Large shrub (more than 8 feet)

    Light Exposure: 
    • Full sun (6 hrs direct light daily), 
    • Partial sun/shade (4-6 hrs light daily)

    Native Locale: 
    • Non-native

  • Cotoneaster adpressus (Creeping cotoneaster)

    Also known as: Creeping cotoneaster, early cotoneaster

    Creeping cotoneaster is a dense, low-growing, spreading shrub used as a ground cover, in rock gardens, or cascading over stone walls. Valued for its tiny white flowers, excellent glossy foliage and attractive red berries.

    Size Range: 
    • Low-growing shrub (under 3 feet), 
    • Large plant (more than 24 inches)

    Light Exposure: 
    • Full sun (6 hrs direct light daily), 
    • Partial sun/shade (4-6 hrs light daily)

    Native Locale: 
    • Non-native

  • Cotoneaster apiculata (Cranberry cotoneaster)

    Also known as: Cranberry cotoneaster

    The stiff, arching branches of the cranberry cotoneaster form an impenetrable mass, making it very effective cascading over a wall, in a shrub border, as a foundation plant, or a ground cover. Small, dark green, glossy leaves and cranberry-red fruit make it a nice addition to the landscape.

    Size Range: 
    • Low-growing shrub (under 3 feet)

    Light Exposure: 
    • Full sun (6 hrs direct light daily), 
    • Partial sun/shade (4-6 hrs light daily)

    Native Locale: 
    • Non-native

  • Cotoneaster dammeri (Bearberry cotoneaster)

    Also known as: Bearberry cotoneaster

    Bearberry cotoneaster is a low-growing, semi-evergreen shrub reaching 1 to 2 feet high with a 6 feet wide spread. Use in groups on slopes to stabilize soil, ground cover, or front of shrub borders. May be difficult to find in nurseries.

    Size Range: 
    • Low-growing shrub (under 3 feet), 
    • Large plant (more than 24 inches), 
    • Medium plant (12-24 inches), 
    • Small plant (6-12 inches)

    Light Exposure: 
    • Full sun (6 hrs direct light daily), 
    • Partial sun/shade (4-6 hrs light daily)

    Native Locale: 
    • Non-native

  • Cotoneaster divaricatus (Spreading cotoneaster)

    Also known as: spreading cotoneaster

    Spreading cotoneaster is a medium-sized, upright shrub with slender, densely branched stems. Tiny pink buds open in May to clusters of white flowers, and glossy, dark green summer foliage turns a kaleidoscope of orange, red, yellow and burgundy.

    Size Range: 
    • Medium shrub (5-8 feet)

    Light Exposure: 
    • Full sun (6 hrs direct light daily), 
    • Partial sun/shade (4-6 hrs light daily)

    Native Locale: 
    • Non-native

  • Cotoneaster horizontalis (Rock cotoneaster)

    Also known as: rock cotoneaster; rockspray

    Rock cotoneaster is a low spreading shrub often used as a ground cover or left to spill over slopes and ledge walls. The densely branched plant has glossy, dark green foliage, deep red fruits and reddish purple fall color.

    Size Range: 
    • Small shrub (3-5 feet), 
    • Low-growing shrub (under 3 feet)

    Light Exposure: 
    • Full sun (6 hrs direct light daily), 
    • Partial sun/shade (4-6 hrs light daily)

    Native Locale: 
    • Non-native

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