Although there are a few smaller varieties of forsythia, most forsythia shrubs have a naturally vase-shaped form and grow to about 10 feet tall and wide. Follow all directions, precautions and restrictions that are listed. Choosing Planting Siteâyou should not plant forsythias in spaces that are close to foundations of surrounding structures. Sometimes listed as ‘Lynwood Gold’. Measure the predetermined distance from the center stake. The ideal soil is fertile, loose and well-drained, although it will tolerate almost any soil condition. Water deeply and frequently the first year, using drip irrigation. Especially prized because its lovely golden flowers are in full bloom before the first green leaf appears. The bright-yellow spring flowers brighten the last drab days of winter, providing a glimpse of a rapidly approaching spring. Be sure that the new location is one that will receive sun daily for at least 6 hours. Privet Hedge Planting Distance Photo by Nancy Andrews. It sports larger flowers than most forsythia bushes at roughly an inch across. ‘Northern Sun’ – This is a very cold hardy cultivar that grows to 10 feet tall and 9 feet wide and produces clear yellow flowers. Best flowering if planted in full sun. For a privet hedge, aim for a foot-deep trench with about a foot between plants. Prune out infected branches and dispose of prunings. This will allow for future growth and is a good rule of thumb for spacing forsythia. This cultivar is a tetraploid (i.e., with twice the normal chromosome count). Some associations have very strict regulations; breaking the rules may generate fines and force you to remove your shrubs. Grows 9-11 feet high. The forsythia hybrids compete successfully with the demanding roots of other shrubs and trees and transplant easily. Far bigger than the space most of us give it. Close-up of Forsythia x intermedia ‘Karl Sax’ with golden yellow flowers and distinctive orange throat. Forsythias do not belong in areas where they must be kept in bounds, such as in foundation plantings, unless compact cultivars are chosen. ‘Happy Centennial’ – This compact cultivar grows to 24 to 30 inches tall and 3 to 5 feet wide. Forsythia should be planted in full sun for maximum flowering. This is because flower buds begin to form soon after the blossoms drop, and by summerâs end, they are in place for next year. Like with most hardwood deciduous shrubs, softwood forsythia cuttings taken in late spring to early summer root easily. Especially prized because its lovely golden flowers are in full bloom before the first green leaf appears. Family Oleaceae (Olive family). Phomopsis galls are spherical nodules or protuberances that cluster along a branch and cause branch dieback. With degrees in fine and commercial art and Spanish, Ruth de Jauregui is an old-school graphic artist, book designer and published author. Plant your Lynwood Forsythias in rows for a vibrant display, place as colorful ornamental plants in your flower beds, or utilize as a privacy screen or hedge. If you want a more natural look, space the plants several yards (2.7 m.) apart and allow them, over time, to partially fill in the spaces between. It is a non-native US plant. Divide the length of the hedge line, from the center point to one end, into equal 4- to 6-foot portions. Goldilocks™ – This cultivar is a dwarf that has upright spikes of golden yellow flowers. Mature forsythia in full bloom, showing natural form. Adjust the stakes if necessary to accommodate water or power company access, driveways, walks, buildings or existing trees. Whether used as a hedge, border planting or a focal point, forsythia requires room to grow to its mature 10- to 12-foot width. ‘Sunrise’ – This cultivar grows to 5 feet tall and wide, has an attractive mounding habit that has a more compact growth habit, and has maroon fall color. It grows to 2 to 3 feet tall and 3 to 4 feet wide. Pull the string taut and begin walking in a circle around the center stake. Shipped: 1 GALLON POT Growth Rate: Moderate Shipping Season: Fall Flower Color: Yellow Flower Form: 4 fused petals-trumpet, small 1/2" â¦ Grows 8 to 10 feet tall and 6 to 8 feet wide. Golden Peep™ – This cultivar is from the French breeding program, has a dense dwarf form, and grows to 18 to 30 inches tall and 36 inches wide. Phomopsis galls on Forsythia x intermedia. However, semi-hardwood cuttings taken later in the summer will also root easily. Spacing Forsythia Plants Check your tag to see how tall and wide the plant will be when it is mature. These hybrid forsythias are crosses between two species from Eastern China, Forsythia suspensa (Weeping Forsythia) and F. viridissima, (Greenstem Forsythia) and many excellent selections have been made, including dwarf and compact forms. For privacy hedge forsythia, use the border forsythia, the variety of forsythia most commonly grown for that purpose. Color: Yellow flowers, green foliage. Water plants weekly to reduce the chance of infection and to encourage good growth. Botanical Name: Forsythia intermedia 'Lynwood Gold' Sun Exposure: Full Sun, Partial Shade Height/Habit: 8 - 10 feet Spread: 10 - 12 feet Spacing: 5 - 6 feet Hardiness Zone: 4-9 Flowering Date: Early spring Winter Care: No winter protection is necessary. Spacingâforsythia is a dense bush that tends to expand more horizontally than vertically. Find out which plants are suitable along fence lines and which are fast growing to experience peace and serenity of a secluded residence. Copyright © 2020 Clemson UniversityClemson Cooperative Extension | 103 Barre Hall Clemson, SC 29634864-986-4310 | Contact UsHGIC@clemson.edu, College of Agriculture, Forestry and Life Sciences, Centipedegrass Yearly Maintenance Program, ‘Beatrix Farrand’ – This 8- to 10-foot-tall shrub has vivid golden yellow flowers. They bloom on last year’s wood. The most common problem is with Phytophthora root rot, which may occur when forsythia is planted in a poorly drained soil. It is a tetraploid plant from a seedling of the cultivar ‘Spectabilis’. Drought resistant. Forsythia suspensa, commonly called Weeping forsythia, is a popular plant all on its own and is still widely grown for its large size and pale yellow flowers. Dig a trench, and set the plants in it. Adjust your plan according to the available varieties. A dwarf forsythia cultivar that is noted for its compact-spreading shape. This allows room for a full-size forsythia bush to grow to its mature width of 10 to 12 feet wide. Thatâs a big shrub! Cover the area around each planted forsythia bush with a layer of at least 3 inches of mulch. Pull the string out straight, centering and aligning it along the hedge line. 1-2' plants. Debbie Shaughnessy, Former HGIC Information Specialist, Clemson UniversityBob Polomski, PhD, Extension Consumer Horticulturist, Clemson University, Joey Williamson, PhD, HGIC Horticulture Extension Agent, Clemson University. In our forsythia growing guide, we discuss all you need to know to cultivate this sun-loving, vigorous shrub in your landscape.. It is a hybrid between the very hardy Korean. After planting a forsythia as a focal point or specimen plant, fill the extra space around the shrub with annuals; avoid planting perennials or shrubs that will have to be removed as the forsythia matures. In early to mid spring, a profusion of nodding, narrowly-trumpet-shaped, brilliant yellow flowers open on the naked branches. Place the stake 6 feet from the property line if the hedge will be used as a border. The yellow flower color varies with varieties, ranging from pale to deep yellow. Between early January and late February, cut branches, bring indoors and place them in water. It grows 8 to 10 feet tall and 10 to 12 feet wide. © Copyright 2020 Hearst Communications, Inc. Forsythia are hardy in U.S. Department of Agriculture plant hardiness zones 4 through 9. It grows to 24 to 36 inches tall and wide. The early spring flower is the most appealing feature of this plant. ‘Show Off Starlet’ – This cultivar has a compact growth habit, deep yellow flowers and maroon fall color. Forsythia x intermedia. Forsythia x intermedia (Border Forsythia) is a deciduous shrub forming a graceful fountain with its upright-arching to spreading branches bending to the ground. This indicates the mature size of the forsythia bush. 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