To obtain fruit set, the female requires a compatible male of the same or related species for proper pollination. Easily grown in average, consistently moist, acidic, well-drained soils in full sun to part shade. Individual male flowers are about ¼" across, consisting of a short green calyx with 4 lobes, 4 greenish white or yellowish white petals, and 4 stamens. Bees, moths, yellow-jackets, and other insects perform pollination. Site in locations protected from cold winter winds. Ilex opaca, the familiar American Holly, is a medium size evergreen tree with spines on the margins and tips of the tough leathery leaves and red berries on the female plants. Extremely showy, they ripen in fall, persist into winter and enliven the winter landscape unless they are devoured by birds. Both produce flowers, however. Deleting this collection CANNOT be undone. Chapel Hill, NC 5/3/03. From Jack Spruill - As with all the Ilex that I know, the male plants have many more flowers than do the females. Often an understory plant. Cultivars include: 'Jersey Princess' (a female), 'Jersey Knight' (male pollinator), as well as 'Canary' which sports yellow berries. Ilex opaca, American Holly, Christmas Holly. Hybrid between Ilex cornuta 'Burfordii' and Ilex pernyi. Note this is the default cart. Female trees produce female flowers individually or in groups of 2-3 (rarely more). Holly trees and shrubs are sometimes deciduous, but more often evergreen. Potential disease problems include leaf spot, leaf rot, tar spot and powdery mildew. However, male flowers appear in clusters, where as female flowers appear singlularly along the branches. Birds love the fruit.Genus name comes from the Latin name Quercus ilex for holm oak in reference to the foliage similarities (holm oak and many of the shrubs in the genus Ilex have evergreen leaves).Specific epithet means opaque or dull, in reference to the non-lustrous leaf surfaces of species plants (many of the cultivars have more lustrous foliage).‘Canary’ is a yellow-fruited cultivar that was reportedly introduced around 1940 from cuttings taken from a tree found in the Great Smoky Mountains in North Carolina. Foundation planting. Female flowers are dull white to yellow with a … Description It is a medium-sized broadleaved evergreen tree growing to 10–20 m tall, exceptionally up to 30 m tall, with a trunk diameter typically up to 50 cm, exceptionally 120 cm. Ilex opaca. Grows up to 15-30 ft. tall (450-900 cm) and 10-20 ft. wide (300-600 cm). Plant Type: Tree. Another common species is American holly (Ilex opaca), hardy in USDA zones 5 through 9 and possessing duller berries and less distinctly spined leaves. The shorter Ilex aquifolium 'Ferox Argentea' reaches a moderate height of 15 feet and spreads 8-10 feet. Female flowers. Species. Documented in Palm Beach County in an urbanizing area where likely to be a garden escape. Cookies, This site is protected by reCAPTCHA and the Google, Ilex verticillata 'Red Sprite' (Winterberry), Ilex x meserveae 'Blue Princess' (Blue Holly), Ilex verticillata 'Winter Gold' (Winterberry), Ilex verticillata 'Winter Red' (Winterberry), Ilex aquifolium 'Ferox Argentea' (English Holly), Ilex crenata 'Sky Pencil' (Japanese Holly), Shrubs and Trees with Colorful Fruits and Berries in Winter, Native Plant Alternatives to Poncirus trifoliata (Hardy Orange), Native Plant Alternatives to Mahonia bealei (Leatherleaf Mahonia), Native Plant Alternatives to Ilex aquifolium (English Holly), Native Plant Alternatives to Albizia julibrissin (Silk Tree), Create a Garden with Great Winter Interest, Attractive Evergreen Shrubs and Trees with Red Fruits and Berries, Attractive Deciduous Shrubs and Trees with Red Fruits and Berries, Want Garden Inspiration? pistillate flowers. Flower and fruit: Female flowers are solitary and dull white; male flowers are borne in three- to nine-flowered cymes. Avoid poorly drained soils. If you’re looking for the most traditional, Christmas-looking variety of holly, you’ll want American Holly, also known as Ilex opaca, or the English version known aptly as English Holly, or Ilex Aquifolium. It has greenish-white flowers bloom April-June (male flowers in 3-12 flowered clusters and female flowers solitary or in 2's or 3's). This plant is shade tolerant. Light: Sun - 6 or more hours of sun per day, Part Shade - 2 to 6 hours of sun per day.

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