Each leaf is composed of 9 to 17 leaflets that are either one or two inches long and grouped in pairs. This site uses Akismet to reduce spam. This little flowering tree is an excellent addition to a Japanese garden or a cottage garden. Thornless honeylocust has large fruit pods that detach from the tree in the fall. The term "locust" can apply to several different species of trees with legume-like seed pods. It is one of the most popular trees known for their delicacy and fineness. The Cons: Unfortunately, the Purple Robe Locust Tree can also be quite messy. Required fields are marked *. Fixes nitrogen. The purple robe locust tree (Robinia 'Purple Robe') is a deciduous tree native to eastern and central North America that can grow in conditions that are inhospitable to most other species. And it can kill small trees. Learn more about the cons of this tree species below. 2. . Grow in average, dry to medium, well-drained soils in full sun. in American Studies from Columbia University and lives in Queens with her two cats. Locust is an open source tool with 21.1K GitHub stars and 2.7K GitHub forks. Because most of the root system is lost in digging, sufficient top growth should be removed to compensate for this loss. Pods are initially green with purple-brown markings and turn light brown as they dry. The wood is weak and brittle making it subject to storm damage. About Purple Robe Trees | Home Guides | SF Gate Violet purple spring flowers make this an interesting tree for the landscape. The adult females then lose their legs and remain on a spot protected by its hard shell layer. Prevention and Control: Plant resistant varieties and space plants properly so they receive adequate light and air circulation. The honey in honeylocust comes from the sweet substance found in the trees fruit pods. The purple robe locust tree is a species of flowering tree in the pea family. Larger trees often come in wire baskets. Purple Robe Locust Tree Problem - Ask Extension This tree gets its common name from the large, showy clusters of lilac-colored flowers that bloom on its branches in early summer. If the item in question is not available, we can issue a one-time credit to your account equaling the original product purchase price or issue you a refund. The tree is infested by both the locust borer, which destroys the tree, and the locust leaf miner, which causes the leaves to turn brown. Locust Tree With Purple Blooms | Home Guides | SF Gate Still, grass and other plants can easily grow underneath a thornless honeylocust. We work hard to make sure that your order arrives at the ideal time for planting in your location based on your local climate conditions. It grows in an upright, irregular oval shape. However, they can also attract other insects, which can potentially cause issues. You'll find answers to many questions on our FAQ page. Required fields are marked *. It grows quickly and produces fragrant flowers in the springtime. It is highly adaptable to all soil types. Whiteflies can weaken a plant, eventually leading to plant death if they are not checked. The purple robe locust tree can grow up to 50 feet tall and has dark green leaves that turn yellow in the fall. New foliage emerges crinkled and distorted. 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. Once well-established, the Purple Robe Locust tree has excellent drought resistance and is simple to cultivate. Meanwhile, the locust comes from the rattling sound that the trees dried fruit pods sometimes make. Good drought tolerance. Having the proper tools and supplies when growing your own can make the difference between a good harvest and a great harvest! It's actually found mostly in the Southwest of the United States. Be sure to roughen up the sides of the hole so that its easier for the trees roots to take hold. If it gives just a little bit, then it is perfect for picking. The Purple Robe Locust is a sturdy, quickly growing shade tree with strands of deep pink flowers in the spring that are both intensely fragrant and incredibly gorgeous. They bear attractive flowers but many have spines, bristles or thorns.Genus name honors Jean Robin (1550-1629), of Paris, gardener to Henri IV and Louis XIII of France, who received new plants from Canada.Purple Robe is a medium sized, suckering, deciduous tree that typically grows to 30-40 tall with an oval-upright habit. Use a pitchfork or shovel to scarify the sides of the hole. If your trees or plants do not survive, please let us know within one year of delivery. Bonnie Singleton has been writing professionally since 1996. It is capable of growing in conditions that are unfavorable to the majority of other plant and animal species. 12. Remove all other extraneous side branches. Select a tag below to view all the items that have that particular trait. Purple Robe Locust (Robinia sp) is a gorgeous nitrogen fixing tree. The most potentially serious problems include locust borers and locust leaf miners and can lead to defoliation and seriously stressed trees. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); 2023 answering101 Powered by answering101, Why Do Birch Trees Have Black Streaks on Their Trunk. These flat, hanging pods range in length from 2 to 4 inches and each pod contains between 4 to 8 seeds. It is best pruned in the dormant season as this tree will bleed when pruned in spring. The purple robe locust is also sometimes called the black locust because of the dark color of its heartwood. Fruit will be dwarfed and often drops early. It is also a very hardy tree, able to withstand many different types of weather conditions. HOWEVER, when properly managed and understood, this tree has a place in an early permaculture garden. Brown or black spots and patches may be either ragged or circular, with a water soaked or yellow-edged appearance. Simply cut away wires to leave several large openings for roots. Purple locust trees are not picky when it comes to soil, which makes them appealing for sites where other trees cannot grow. The thornless honeylocust is such a popular choice for both city and suburban landscapes that its considered overused. It's the perfect summer shade tree. It thrives in many difficult growing conditions. Purple Robe Locust (Robinia sp) is a gorgeous nitrogen fixing tree. Branches breaking The branches of purple robe locust trees are known to break easily, which can cause damage to property and be a safety hazard. What are the Pros and Cons of Purple Robe locust tree? The Purple Robe Locust is a sturdy, quickly growing shade tree with strands of deep pink flowers in the spring that are both intensely fragrant and incredibly gorgeous. This tree is a genuinely distinctive shade tree that has recently gained popularity. The pinnate leaves have a bronze-red color when they first emerge in the spring, then change to a blue-green color over the summer, and finally, become yellow in the fall. Incredible, long clusters of purple flowers in May that look just like Wisteria flowers hanging from this local bloomer. Its spectacular display of dangling, wisteria-like blooms that are up to eight inches long and fragrant make this a favorite ornamental tree! The Pros: The Purple Robe Locust Tree is a beautiful tree that can provide shade and beauty to your yard. Black locust produces hanging clusters of very fragrant white flowers in spring. Jessica Allen likes to share helpful information with current and aspiring homeowners. Young trees should be pruned in the fall or winter to strengthen the structure of the tree and to develop its desired shape. If there is a need for treatment, apply a pesticide that is indicated for these pests, such as Dursban, Permethrin, or Talstar, or an insecticidal oil, and follow the instructions on the label for the appropriate dosage. The Garden wouldn't be the Garden without our Members, Donors and Volunteers. The powdery white or gray fungus is usually found on the upper surface of leaves or fruit. For fungal leaf spots, use a recommended fungicide according to label directions. A couple of the cons of thornless honeylocusts are their messy fruit pods and potential insect issues. Twisty Baby black locust (Robinia pseudoacacia 'Lace Lady'): At 20 feet high by 20 feet wide, this tree is smaller in size and has contorted limbs. This cultivar has yellow foliage and grows 40 feet high by 25 feet wide. Some of the more popular varieties include the echeveria, sempervivum, and sedum. Here are four simple steps to planting a thornless honeylocust tree. Almost any soil condition will do, including clay, sand or loam that is acidic to alkaline, with a preference for a pH ranging from about 6.8 to 7.7 and an organically rich loam. For more please watch the video. Purple robe locust blooms in May with long clusters of purple flowers that resemble wisteria. Consult your local garden center professional or Cooperative Extension office in your county for a legal recommendation regarding their control. Also, anywhere you have a presence of Ash trees, you should be . Ball and burlap trees are dug up with their root systems somewhat intact. Purple Robe Black Locust - YouTube Medium tree (25-40 feet), Large tree (more than 40 feet), Full sun (6 hrs direct light daily), Partial sun / shade (4-6 hrs light daily), Zone 4, Zone 5 (Northern Illinois), Zone 6 (City of Chicago), Zone 7, Zone 8, Aggressive, Excessive sucker growth, Highly susceptible to ice damage, Messy fruit/plant parts, Weak wood and branch structure, is a serious pest of black locust. Whiteflies can multiply quickly as a female can lay up to 500 eggs in a life span of 2 months. At the same time, it still allows the grass to get the nutrients it needs. Of course no tree is perfect, but this variety is a widely used shade tree that can be found easily in our area, and we occasionally use them when one of our landscape designers determine it is a good choice for the site and meets the property owner's needs. It is susceptible to locust borer (often fatal) and locust leaf miner (browns foliage). I spotted the object of my desire over the fence in a yard of one of the houses near the creekside walkway. It is, however, susceptible to several insect infestations, such as locust borer. Geoff Lawtons work in Jordan using fast-growing nitrogen fixing trees for coppice and fertility building: https://www.greeningthedesertproject.orgBen Falk on Black Locusts: https://youtu.be/hYdyAziLanUWays to support our work: Paypal.me/ParkrosePermaculturewww.Patreon.com/ParkrosePermaculture1www.ko-fi.com/ParkrosePermacultureJordanian Desert photo used out of the Creative Commons: https://commons.m.wikimedia.org/wiki/File:Jordan,_Wadi_Rum_Desert,_Khor_al_Ajram_2.jpg They can cause quite a mess and spread over a large area. Your email address will not be published. Purple Robe Locust Tree Pros and Cons, Zone, Seed, Diseases, Patulous Esophagus Definition, Symptoms, Causes, Treatment, Pelvocaliectasis Meaning, Symptoms, Causes, Treatment. They also produce a sweet substance called honeydew (coveted by ants) which can lead to an unattractive black surface fungal growth called sooty mold. Buy Purple Robe Locust trees to enjoy their stunning beauty in your landscape each spring. Black locust is a tough tree that will survive very poor conditions. They can thrive in areas of poor soil or poor air quality where other trees may not be able to grow, including urban environments. They eventually mature to a dark green and turn yellow in the fall. (A $50 surcharge will be added for shipments to Alaska. Go easy on the nitrogen fertilizer. How-to : Planting a Tree Dig out an area for the tree that is about 3 or 4 times the diameter of the container or rootball and the same depth as the container or rootball. Pick and destroy these leaves and take advantage of natural enemies such as parasitic wasps. This way, itll be easier for the roots to grow out into the soil rather than circling. Some experts say that it decreases species diversity. Each leaf is divided into anywhere from nine to 17 leaflets that are 1 or 2 inches long and arranged in pairs. Leaves are alternate and pinnately compound. This Purple Robe Locust is resistant to drought once it is established. Prevention and Control: keep weeds down, scout individual plants and remove caterpillars, apply labeled insecticides such as soaps and oils, take advantage of natural enemies such as parasitic wasps in the garden and use Bacillus thuringiensis (biological warfare) for some caterpillar species. They are also susceptible to locust borers. Robinia Pseudoacacia Purple Robe Black Locust | SiteOne