TREES & plants

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  • Halesia carolina (Silverbell)

    Also known as: silverbell, Carolina silverbell, small-flowered silverbell

    Silverbell is a medium-sized tree that produces white bell-shaped flowers in spring. The flowers are followed by dry fruits with four wings. This tree may be difficult to find in nurseries.

    Size Range: 
    • Medium tree (25-40 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

  • Hamamelis mollis (Chinese witch-hazel)

    Also known as: Chinese witch-hazel, witch hazel, witch-hazel, witchhazel

    In very early spring, before the leaves unfurl, Chinese witch-hazel blooms a deep yellow with a tinge of red on strap-like, crinkled flowers. Flowers have a spicy-scented fragrance. The new foliage is yellowish-green, deepening to medium green over the summer and turning buttery yellow in fall.

    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

  • Hamamelis vernalis (Vernal witch-hazel)

    Also known as: Vernal witch-hazel, spring witch-hazel, witch-hazel; vernal witch hazel, witch hazel, witchhazel

    In late winter or very early spring, before the leaves unfurl, Vernal witch-hazel has yellow and orange-to-red flowers with a spicy fragrance that appears in late February and last three to four weeks. The new foliage is an attractive bronzy-red color that matures to dark green and then turns a rich butter yellow to golden yellow in fall. This is a great specimen plant for naturalized landscape.

    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: 
    • North America

  • Hamamelis virginiana (Common witch-hazel)

    Also known as: Common witch hazel, Fall witch hazel, Fall-blooming witch hazel

    The yellow, strap-like flowers of this native shrub are among the last blooms to appear in fall, but are often hidden by the leaves. Common witch-hazel is a large shrub with a picturesque irregular branching habit that naturally grows along woodland edges. The large, rounded, dark green leaves often hang onto the winter branches. The fruit capsules mature a year after flowering, splitting open to expel seeds that are attractive to birds. Tolerant of road salt and clay soil, this is a great specimen plant, or for naturalized landscape.

    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), 
    • Full shade (4 hrs or less of light daily)

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

  • Hamamelis x intermedia (Hybrid witch-hazels)

    Also known as: witch-hazel, witch hazel, hybrid witch hazel, hybrid witch-hazel

    A number of hybrids have been bred between Chinese witch-hazel (Hamamelis mollis) and Japanese witch-hazel (Hamamelis japonica). These large shrubs have interesting ribbon-like flowers, in shades of yellow to red, in late winter or very early spring before the leaves appear.

    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

  • Hedera helix (English ivy)

    Also known as: English ivy

    English ivy is a versatile plant that functions as both a ground cover and a vine. It's evergreen foliage provides interest year round. This plant can grow aggressively and it considered invasive in some areas.

    Size Range: 
    • Large plant (more than 24 inches), 
    • Low-growing plant (under 6 inches)

    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: 
    • Non-native

  • Helictotrichon sempervirens (Blue oat grass)

    Also known as: Blue oat grass

    Blue oat grass is a cool season clumping grass with blue foliage, attractive flowers and a mounded form.

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

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

    Native Locale: 
    • Non-native

  • Heptacodium miconioides (Seven-Son Flower)

    Also known as: Seven-Son Flower

    Seven-son flower, which is really a large shrub or small tree, produces white flowers in late summer. After the petals fall, the pink sepals remain giving the appearance that the plant is in flower again. The whitish-tan bark peels in strips and is striking against a dark background. Use as a specimen plant, back or the border, or in a naturalized area.

    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

  • Hibiscus syriacus (Rose-of-Sharon)

    Also known as: Rose-of-Sharon; shrubby althea

    Rose-of-Sharon is an upright, narrow shrub or small tree valued for its mid-summer to late season prolific blooms. A wide range of flower colors vary by cultivar. Plants are late to leaf out in the spring.

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

  • Hippophae rhamnoides (Sea-buckthorn)

    Also known as: sea-buckthorn; sea buckthorn; common seabuckthorn

    A large, loose, open shrub or small tree forming large colonies. The silver-gray foliage and persistent orange berries on female plants add to the appeal. May be difficult to find in nurseries.

    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

  • Hordeum jubatum (Foxtail barley)

    Also known as: Foxtail barley, squirrel-tail grass

    Foxtail barley is a grass native to much of Illinois. This short grass tolerates a wide range of tough conditions. It should be used with care as it readily self-seeds and can become weedy.

    Size Range: 
    • Medium plant (12-24 inches)

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

    Native Locale: 
    • Illinois, 
    • North America

  • Humulus lupulus (Common hop)

    Also known as: Common hop, European hop

    Common hop is the plant used to flavor beer, but it can also be an ornamental vine for the garden.

    Size Range: 
    • 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: 
    • Chicago area, 
    • Illinois, 
    • Non-native, 
    • North America

  • Hydrangea arborescens (Wild hydrangea)

    Also known as: Wild hydrangea, Smooth hydrangea, Sevenbark, Tree hydrangea

    Wild hydrangea is a hardy, adaptable shrub grown for its large, cloud-like clusters of early summer flowers that start out pale green and turn to white then eventually fade to brown adding winter interest to the landscape. Since it flowers on the tips of the new growth its flower buds are not diminished by harsh winters. It is native to woodlands in the eastern U.S. For garden purposes, cultivated varieties are more attractive.

    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: 
    • Illinois, 
    • North America

  • Hydrangea macrophylla (Big-leaved hydrangea)

    Also known as: big-leaved hydrangea, big leaf hydrangea, bigleaf hydrangea, French hydrangea, Japanese hydrangea, lacecap hydrangea, mophead hydrangea, penny mac, hortensia

    Big-leaved hydrangeas are valued for their showy flowers, however, these small shrubs from Japan are generally not flower bud hardy in cold winters in Zone 5 and colder. This type of hydrangea sets its flower buds on the previous year's growth making them more susceptible to freeze damage. In recent years, newer varieties have been developed that are somewhat hardier, but will do better if placed in a protected location and covered with snow throughout the winter.

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

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

    Native Locale: 
    • Non-native

  • Hydrangea paniculata (Panicled hydrangea)

    Also known as: Panicled hydrangea, Peegee hydrangea, Pee gee hydrangea, Panicle hydrangea

    The white flower clusters of this summer-blooming shrub add a fresh note of color to the landscape. Native to China and Japan, panicled hydrangea is one of the more cold-hardy species of hydrangea. It blooms on branches that grow in the current season, so even a harsh winter does not stop the flower show. The flowers are held upright on sturdy stems and contrast nicely with the green foliage. It ranges in size, from dwarf, 2 to 3 feet high all the way to tree-like 15 to 20 feet, depending upon the cultivar.

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

  • Hydrangea petiolaris (Climbing hydrangea)

    Also known as: Climbing hydrangea

    Climbing hydrangea is a woody vine that clings and climbs by attaching itself with tiny rootlets to a wall, trellis or other support. In early July, it has flat, lacy clusters of fragrant small white flowers that show up well against the glossy green leaves. Also known as Hydrangea anomala ssp. petiolaris.

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

    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: 
    • Non-native

  • Hydrangea quercifolia (Oak-leaved hydrangea)

    Also known as: Oak-leaf hydrangea, Oakleaf hydrangea, Oak-leaved hydrangea

    Oak-leaved hydrangea is a southeastern native shrub for all seasons. The large dark green leaves resemble oak leaves, in fall they change to a deep burgundy or red fall color. Mid-summer the large cone-shaped flower clusters open white then turn a purplish-pink, then changing to brown persisting into winter. The older bark is cinnamon brown color and peels to create a texture that makes this plant interesting even when the leaves are gone.

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

  • Hydrangea radiata (Silver-leaved Hydrangea)

    Also known as: Silver-leaved hydrangea

    Silver-leaved hydrangea is an attractive shrub native to Appalachia. It has lacecap clusters of flowers in early summer that emerge green and change to white. Its distinctive characteristic is the silvery underside of its leaves. Silver-leaved hydrangea is somewhat sensitive to drought, so it needs a site with moist soil. May be difficult to find in nurseries.

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

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

    Native Locale: 
    • North America

  • Hydrangea serrata (Mountain hydrangea)

    Also known as: Mountain hydrangea

    Mountain hydrangea is a small, 2 to 3 feet high shrub from the mountains of Korea and Japan with light pink, lace cap flower clusters in mid-summer. The slender green leaves often turn red or burgundy in autumn. It does well in part shade and is small enough to be used in containers.

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

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

    Native Locale: 
    • Non-native

  • Hypericum frondosum (Golden St. John's Wort)

    Also known as: Golden St John's Wort, Golden Saint John's wort

    Golden St. John's Wort puts on an explosive display of bright yellow flowers in mid-summer that lasts for 3 to 4 weeks. This shrubby, round shrub has stiff, upright branching, blue-green narrow foliage that turns reddish purple in the fall. The exfoliating bark and persistent seed capsules add winter interest to the landscape.

    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: 
    • North America

  • Hypericum kalmianum (Kalm's St. John's Wort)

    Also known as: Kalm's St. John Wort, Kalm's hypericum, Kalms St. John Wort, Kalm's Saint Johnwort

    A sun-loving, low-growing, 2 to 3 feet high, native shrub found in moist, low areas in the Upper Great Lakes. The long-blooming, bright yellow summer flowers have showy, pompom-like stamens. Best used in mass for full effect.

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

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

    Native Locale: 
    • Chicago area, 
    • North America

  • Hypericum prolificum (Shrubby St. John's Wort)

    Also known as: Shrubby St. John's Wort

    Shrubby St. John's wort is a low to medium-sized native shrub reaching 3 to 4 feet high. The bright yellow flowers with a profusion of yellow stamens look like fireworks. The exfoliating bark and attractive seed capsules add winter interest to the landscape.

    Size Range: 
    • Small shrub (3-5 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

  • Iberis sempervirens (Candytuft)

    Also known as: Candytuft, evergreen candytuft, edging candytuft, perennial candytuft

    Candytuft is a semi-evergreen to evergreen ground cover that produces masses of white flowers in late spring and early summer.

    Size Range: 
    • 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

  • Ilex decidua (Possum-haw)

    Also known as: Possum-haw, Possumhaw, Swamp Holly

    Possum-haw holly is a southern deciduous shrub that can grow tree-like in its native habitat. In the Midwest if reaches 10 to 12 feet high but in the south it can be 20 to 30 feet high. Dark green foliage turns brownish- yellow in fall before dropping. Early white flowers appear before the leaves. Female plants will produce bright red, persistent fruit. Requires male and female plant to produce fruit.

    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: 
    • Illinois, 
    • North America

  • Ilex glabra (Inkberry)

    Also known as: Inkberry, Gallberry

    Inkberry holly is a colony-forming, east coast native shrub for low, wet sites. Can be used as a foundation planting, hedge or in mass. Prefers acidic soils. The flowers are not showy, but the black fruits can be seen well into winter. Hollies have separate male and female plants, requires a male plant to pollinate the female plant so it can produce fruits.

    Size Range: 
    • 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: 
    • North America

  • Ilex opaca (American holly)

    Also known as: American holly

    American holly is a broad-leaved evergreen tree reaching 40 to 50 feet high, densely pyramidal in youth becoming more open and symmetrically conical with age. The dark green, elliptical leaves have several spiny teeth along the leaf margin. Plants grow best in low, acid pH soils in part shade. Avoid windy sites. Trees are either male or female and require several to get fruit production.

    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: 
    • Illinois, 
    • North America

  • Ilex verticillata (Common winterberry)

    Also known as: Common winterberry, Canada holly, Deciduous holly, Michigan holly, Virginia winterberry, Winterberry holly

    The bright red persistent fruits of common winterberry glow in the winter landscape. This deciduous species of holly, native to the eastern US and Canada, is a dense, multi-branched shrub. The summer foliage is glossy dark green turning yellow in fall. An excellent choice for wet sites, naturalized area or in the shrub border. Both male and female plants are needed for fruit.

    Size Range: 
    • Large shrub (more than 8 feet), 
    • 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: 
    • Chicago area, 
    • Illinois, 
    • North America

  • Ilex x meserveae (Meserve Holly)

    Also known as: Meserve Holly, Meserve Hybrid Hollies

    The Merserve hollies are hybrids that do well in northern climates like the Chicago region. Dark, lustrous blue-green leaves are evergreen and spiny. Like all hollies, there are separate male and female plants and both must be planted for the female plant to produce the showy fruit.

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

  • Imperata cylindrica (syn. Imperata cylindrica 'Red Baron', Imperata cylindrica 'Rubra', Imperata cylindrica var. rubra, Imperata cylindrica var. koenigii. (Red Baron Japanese blood grass)

    Also known as: 'Red Baron' Japanese blood grass, Japanese blood grass

    Japanese blood grass is beautiful grass, but one to be used with care in the landscape.

    Size Range: 
    • Medium plant (12-24 inches)

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

    Native Locale: 
    • Non-native

  • Ipomoea alba (Moonflower (ANNUAL VINE))

    Also known as: Moonflower

    Moonflower is an an annual vine that is related to morning glories. The flowers are very similar, but this vine produces only white flowers that are larger than those of morning glory.

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

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

    Native Locale: 
    • Non-native

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