Purple Robe Locust has bluish-green foliage which emerges burgundy in spring. De Jauregui authored 50 Fabulous Tomatoes for Your Garden, available as an ebook. In fall expect to see the leaves transition to a beautiful hue of Yellow. It is very hardy for Wyoming landscapes. You might consider consulting with a tree care professional to ensure that you are pruning your tree properly to promote the appropriate growth pattern. As the tree grows taller, remove the lower branches that you trimmed back, before they're 2 inches in diameter. The above list can continue, but I think it is more than clear the importance of pruning in loquat tree control and care. However, as the Purple Robe Locust will bleed if pruned when the sap is running in the spring, you should prune either in the winter when the tree is dormant … The two types of locust trees generally found in yards in North America are black locust (Robinia pseudoacacia) and honey locust (Gleditsia triacanthos). Foliage detail. Drought tolerant once established. Best performance is in moist, organically rich loams. I would recommend good TLC and avoid any pruning, injury and be sure to water well throughout the season and into fall and winter. Purple Robe Locust Tree (Robinia pseudoacacia ‘Purple Robe’) The attractive features of the ‘Purple Robe’ locust tree are its young red leaves that turn to blue-green and then turn yellow in fall. And it can kill small trees. Fixes nitrogen. A listing of arborists and tree care specialists is available at Landscape Ontario: www.landscapeontario.com. Order your Purple Robe Locust today! Locust Purple Robe. Step 5 Prune off any lateral branches that extend outside the canopy. Remove crowded or crossing branches, and water sprouts to open up the tree's interior for air circulation. Anvil pruners are used on branches less than 1/2 inch in diameter, while loppers are used on branches up to 2 inches in diameter. There are literally THOUSANDS of shoots coming up everywhere. Keep all tools and disinfectants out of reach of children and pets. Some Tips. Twisty Baby® black locust (Robinia pseudoacacia 'Lace Lady'): Smaller size tree (20 feet high by 20 feet wide) with contorted limbs. The purple robe locust (Robinia ambigua) is a deciduous tree commonly used in landscape plantings. Bark detail. Nature Hills offers a price match guarantee promising the highest quality plants at the lowest price. Hello, Shade trees are pruned so the lowest branches are 7 to 10 feet above the ground, while street trees are pruned to 14 feet above the pavement. Like most trees, both varieties of locust tree may develop shoots, or suckers, at the base, though the black locust is more prone to them. New foliage emerges bronzy-red and matures to a bronzy green in summer. Any tips on when to prune young trees? Then, wait. Once established, this tree is super hardy and drought tolerant with a brisk growth rate of 2 or 3 feet of growth each year. Just last summer (2015) I planted a 16′ purple robe locust in my west-facing front yard in Toronto. Height of a Purple Robe Locust Tree. Size: Height: 40'; Spread 30' Growth: Fast. Don't flush cut and don't leave any stubs behind. Enjoy it! Robinia x ambigua 'Purple Robe' Full view. We fertilized and watered this plant aggressively and it has now grown to about 30′ and is really taking hold. Unfortunately Purple Robe black locust is a magnet for locust borers, which are a type of longhorn beetle. Make 6-8 holes around the trunk of the infected tree, about 2-3 feet away from the trunk but under the drip line. Is it too early to prune/shape the tree? Two to three years after planting, you’ll see tree branches sprout into competition. While you can compost the debris, the thorns may take longer to decompose and make your compost difficult to handle even while wearing gloves. Purple Robe Locust will grow to be about 40 feet tall at maturity, with a spread of 30 feet. It's become incredibly popular because of the great purple flower color and excellent fragrance. Unfortunately, their leaves don’t turn into that wonderful yellow that ‘Frisia’ does as once the blooms are spent. Reduce costs. Tolerates a wide range of soils including sandy or nearly barren ones. This seems to have sent the roots into a shoot frenzy. How to Prune Young Locust Trees 1. The Purple Robe Locust tree is a medium-sized upright tree, growing 40 feet in height with a compact, rounded form. Never top the main trunk of a tree; if it will interfere with power lines when mature, select a smaller tree species. Develop trees with strong framework. Avoid pruning in spring when it tends to bleed. When you first plant a tree, trim away any broken, defected or damaged branches to prevent future issues. But it's trunk is really small and I want to know how to prune it. Accordingly, you should continue structural pruning when the tree is young to ensure that the tree has strong structure which may reduce the likelihood of branches breaking off. Purple Robe Locust- Robinia pseudoacacia - Duration: 4:04. Purple Robe Locust Tree (Robinia pseudoacacia 'Purple Robe') is an improvement of the native Black Locust tree. Feb 6, 2018 - This Pin was discovered by Carley Gethin. Purple Robe Locust - Robinia pseudoacacia 'Purple Robe' Plant Details; Care & Info; Add to wishlist ; Attractive open globe shaped tree with ascending branches. You seem to be taking good care of your tree. Improve pest control. Purple Robe Locust is a tough, fast growing shade tree with highly fragrant and very attractive chains of deep pink flowers in spring. I canÂt pull them fast enough. Put on heavy gloves and safety glasses before pruning the locust tree. Also wear boots, long sleeves and long pants to protect yourself from the tree's sharp thorns, and errant twigs and branches. Trees should be watered as soon as they are planted and weekly for the first year. Locust trees grow in a rounded form; the lowest branches are removed before they're 2 inches in diameter. Also, make sure you make cuts just outside the branch collar. ‘Purple Robe’ is a cultivar of black or common locust. Caution: young leaves and seeds are toxic when eaten. After establishment, "Purple Robe" requires little water and is highly drought-tolerant. Deciduous trees can be pruned at any time to remove dead or diseased branches. Should we wait until the tree is a little older? Deciduous trees can be pruned at any time to remove dead or diseased branches. Pruning loquat tree- How to prune? Similar to other cultivated honey locust trees, the ‘Purple Robe’ grows to between 30 and 40 ft. (9 – 12 m) tall and has a spread of up to 30 ft. (9 m) wide. The trunk of the Robinia Purple Robe Locust Tree is long and straight with an interesting branching pattern. Black locust's fast growth and tolerance of poor soil could be a problem for homeowners. 4. The branches of Purple Robe Locust (Robinia pseudoacacia ‘Purple Robe’) are brittle and tend to break in high winds. Rake up the dead leaves, twigs and debris under the tree, and put it in the green bin for trash pickup. They live in moist or dry soil. In fall, the foliage turns to an attractive yellowish color. Examine the tree for branches that cross over one another and remove the smallest of the two. Black locust trees tend to develop multiple trunks and a thicketlike growth if not pruned to maintain a single trunk form. Grow in average, dry to medium, well-drained soils in full sun. You can prune a black locust tree in any season. Truly a unique specimen shade tree which has been growing in popularity recently, the Purple Robe Locust is extremely adaptable to all soil conditions. Upright rounded growth and short, irregular branches form a tight canopy that cast light shade. The blooms don’t disappoint!! It grows at a fast rate, and under ideal conditions can be expected to live for 60 years or more. 4:44. Fran . Purple Robe Locust. Both species thrive in U.S. Department of Agriculture plant hardiness zones 3 through 8. Purple Robe Locust is a tremendous shade tree that develops long clusters of purple-colored flowers in May that resemble Wisteria flowers. Botanical Name: Robinia 'Purple Robe' A cultivar of the native Black Locust tree. These holes should be made with a pick ax or piece of rebar so you can pour the treatment out and into the ground. She enthusiastically pursues creative and community interests, including gardening, home improvement and social issues. Feb 16, 2019 - How Fast Does a Purple Robe Locust Tree Grow?. Select the branches that will remain as scaffolding branches as the tree grows, and remove the smaller branches in between them. Tolerates some light shade, but avoid shady locations. Over the first winter, we lost quite a few large branches, but the tree has grown back quickly…. © Copyright 2020 Hearst Communications, Inc. Cut branches back to the branch collar, which is the thickened section where the branch attaches to the tree's trunk. While both species are thorny, some cultivars of the honey locust are thornless. ... Locust Tree With Purple Blooms - Duration: 4:44. The tree is known for dark leaves with new growth exhibiting a purple color. A seedling could grow--on average--to about 50 inches in height the first season. Keep the soil moist after planting until the tree starts growing vigorously. Promptly remove suckers as they appear unless naturalization is desired. Purple robe black locust (Robinia pseudoacacia 'Purple Robe'): Flowers are deep rosy-purple; new foliage emerges tinged with purple and matures to a bronze-green color. Topics. The Purple Robe Locust tree develops incredible, long clusters of purple colored flowers in mid- to late spring! Rapid growing. Be ready to see a variety of wildlife drawn to the Black Locust Tree as they can attract Bees, hummingbirds and butterflies. are often found in backyards, along the street or standing alone on landscapes for visual interest. Accordingly, you should continue structural pruning when the tree is young to ensure that the tree has strong structure which may reduce the likelihood of branches breaking off. However, as the Purple Robe Locust will bleed if pruned when the sap is running in the spring, you should prune either in the winter when the tree is dormant and you can clearly see the shape of the tree, or in late spring/summer after the leaves are fully out. To be practical, some pruning must be done throughout the growing season as well. Dark rosy pink fragrant hanging flowers in spring. Pruning Black Locust. Dark green. http://www.WyomingPlantCompany.com Purple Robe Locust has spectacular blossoms that bloom in June. Sucker shoots might be even more vigorous. It has a low canopy with a typical clearance of 5 feet from the ground, and should not be planted underneath power lines. 777 Lawrence Avenue East Toronto, ON, Canada M3C 1P2 | Phone: 416-397-1345, Copyright © Toronto Master Gardeners 2019, Gardening Guides provide introductory information on a broad range of horticultural topics. Spreads by root suckers. I have 4 ‘Purple Robes’ as curb trees at the bottom of my steeply sloping front yard. Water sprouts grow rapidly upward from the tree's branches and may overwhelm the form of the tree. Good drought tolerance. Discover (and save!) Use caution when working around the locust tree; the thorns are extremely sharp and puncture wounds may become infected. however, the shape is quite uneven and the tree is looking a little too wild. Disinfect the pruning tools between each cut with a solution of equal parts rubbing alcohol and water. Description. or would it be okay to prune this tree before winter this year? Once in bloom the flowers will be White in color. Shop 11.1-gallon pink purple robe locust flowering tree (lw01513) in the trees section of Lowes.com When in bloom, people literally stop their cars to gaze at them. October 15, 2012 by . Both types of locust tree are common ornamental plantings, but these sturdy trees are also useful in preventing erosion and as windbreaks. Remove dead or broken branches with anvil pruners or loppers. Anvil pruners are used on branches less than 1/2 inch... 3. Prune during the winter dormancy to cause the least injury to the tree. Unlike most shade trees, locust trees are pruned after they bloom, in early summer, to prevent excessive bleeding of the sap. Cut off all the suckers around the base of the tree and sprouting from the roots. Remove any branches that develop on the main trunk that have less than a 45 degree angle, as they tend to be weak and break easily. Most fruit hangs low, making picking easier and more productive. Use a 5 gallon pail to treat by adding 3-4 gallon of water and 1 oz of Adonis. The Black Locust Tree does well or is tolerant in Well-Drained Clay, Loamy, Sandy, Acidic soil. Restore tree vigor. Improve profitability. To prevent locust trees from growing into thorny thickets, young trees should be pruned to encourage a single trunk. How to Grow Plum Trees Like the Dwarf Santa Rosa Plum, How to Grow Flowering Dogwood Trees From Seed, Missouri Botanical Garden: Robinia Pseudoacacia, Missouri Botanical Garden: Gleditsia Triacanthos, University of Florida, Baker County Extension: Disinfecting Pruning Tools, UC IPM Online: Honey Locust -- Gleditsia Triacanthos Family Fabaceae (Pea Family). Foliage: 12-18" pinnately compound with 17-21 paired oval leaflets. I planted a purple robe locust about six years ago and today it is a robust 30ft tree that provides wonderful filtered shade and profuse purple blooms in spring. Scaffolding branches are spaced 18 to 24 inches apart. Trim back the small lower branches that will be removed as the tree matures. Honey locust trees are especially prone to fungal infections; disinfecting the tools helps prevent the spread of disease. Two varieties of locust tree grow in the United States, the honey locust tree and black locust tree. With degrees in fine and commercial art and Spanish, Ruth de Jauregui is an old-school graphic artist, book designer and published author. Tall locust trees (Robinia spp.) When pruning the tree, don't take off more than 1/3 of the limbs at one time. Plant more Trees 46 views. Foliage is blue-green in summer, turning yellow-green in autumn. Thank you Also I live in Zone 7: Guest 14-Feb-2010 21:20: I have a 20' tree, the wood is soft and whole branches have broke off. Yes, you are correct. 4:04. How to … There are a hundred or more suckers coming up thirty or forty feet away from the tree. When to Prune. Proper pruning of this tree is important to ensure it stays healthy and doesn't sustain damage. your own Pins on Pinterest Put on heavy gloves and safety glasses before pruning the locust tree. The tree produces pink blossom clust… Character: Deciduous; upright, open canopy with arching branching habit. Purple-robe locust trees grow at a fast rate of 2 to 3 feet per year, reaching a mature height of 40 to 50 feet, with a spread of up to 30 feet. It has also destroyed my yard. Remove dead or broken branches with anvil pruners or loppers. Also wear boots, long sleeves and long pants... 2. I have just planted a Purple Robe Locust tree this year it was just like a stick when I planted it but is spreading out and geting tall. When you see this happening, schedule your subordinate pruning with your local arborist. Depending on the health of your current tree, it's difficult to determine if it will survive. MyGreenLawn 21 views. Home » Locust Purple Robe. 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