The bark is deeply furrowed and is brown and gray. The black locust is kind of invasive and features twenty-one leaflets less than two inches long. If you are planning to grow honey locust trees, take note of the following: You also have to consider its size upon reaching maturity before growing it, so you can provide it with the right amount of space for growth. Middle-aged 'Purple Robe' Black Locust. The Garden wouldn't be the Garden without our Members, Donors and Volunteers. The thorns grow on branches at the base of a cluster of leaves, so it would be easy for an animal to eat the thorns while also taking a bite of leaves. This variety is also known for its scientific name Gleditsia triacanthos form inermis. This proprietary eCommerce software prevents the shipment of a restricted plant to each state. Purple robe locust leaves have metallic red color when immature which gradually turns into deep-green or bluish-green color. 1815 W. Iron Springs Road Fruit pod-like, flat, brown-black 5-10 cm long, mature in Oct. Sun, will grow in about any soil except permanently wet. 11.1-Gallon Pink Flowering Purple Robe Locust. Though the flowers are beautiful, some also have bristles and thorns to be wary of. The entire leaf can be up to a foot long. For the honey locust, you can identify them as many consider them tall locust species. Come discover lush, green landscapes, and find respite and inspiration in the shade of towering trees. It thrives at a neutral level, too. An effective way to control it is to identify the root suckers immediately and then get rid of them equally. Very susceptible to locust borer. Popular sizes of select trees are 1 foot, 2 feet, 3 feet, etc. It is best pruned in the dormant season as this tree will bleed when pruned in spring. Once an item ships, you will receive shipment notification and tracking numbers, so you can follow along while your plant travels to your doorstep. The only things it needs are winter pruning and sufficient sunlight. Ecological threat: Invades forests, upland prairies and savannas, pastures, old fields and roadsides. For this reason, New Mexico honey locust trees are popular for garden landscapes in hot climates. Compared to other locust tree varieties, the pods of the black locusts are smaller. Feed twice monthly with Watters Flower Power for a riotous bloom all season long. Its stems are prickly and are full of thorns. They are also good for medicinal purposes. Diseases to keep an eye out for when caring for purple locust trees are powdery mildew, leaf spot and canker. 'Purple Robe' Black Locust1 Edward F. Gilman and Dennis G. Watson2 INTRODUCTION This cultivar of Black Locust probably grows to about 40 feet tall with a spread of 20 to 35 feet (Fig. Even in poor, infertile soils, the plants seem to grow. Timing is important! Establish it the first year with careful watering. Dark green leaves in the summer turn in to attractive yellow foliage in fall. Purple Robe Locust is a tremendous shade tree that develops long clusters of purple-colored flowers in May that resemble Wisteria flowers. Prune purple locusts in the fall or winter when the tree is dormant, advises the University of Utah, as spring pruning will cause the tree's sap to bleed. Matthew says (Matthew 27:28), "They put on him a scarlet robe . Each cluster can be up to 8 inches long. Purple Robe' locust: 35 x 25. Seed pods, or legumes, mature in early fall. Small hairs or bristles growing on the dark green leaves give them a grayish appearance. Sunburst locust leaves are pinnate and have a fine texture. There are varieties of the tall honey locust with larger branches and trunks capable of bearing branched and stout thorns that can reach up to 20-inch in length. You can also differentiate the two based on their benefits and uses and their identifying features and characteristics that you will learn in the next parts of this article. Choose the thornless cultivars if you love this locust tree because of its flowers, not the spikes and thorns. At Nature Hills we handle, package and ship the products you order with the utmost care to ensure healthy delivery. This variety has the term inermis which means that the Sunburst honey locust is a thornless tree. The leaves were divided into delicate leaflets. Honey bees love it, as do many native pollen bees. About Daniel Nelson Daniel obtained his BS and is pursuing a Master's degree in the science of Human-Computer Interaction. These trees grow fast, up to 25' high by 20' wide. You can plant this tree as an easy-care, fast-growing specimen in the lawn. And they placed upon his head, piercing thorns of blood stained red. The purple robe tree gets its name from its purplish pink flowers. In the common judgement hall, He was mocked and scorn by all. Black locust leaves are made up to 7-21 paired leaflets on both sides of a common stalk (pinnately compound). The most common types of locust trees are the black locust and honey locust tree. It is an impressive display, and you will definitely want to cut a few and bring them indoors to enjoy in a cut flower arrangement. You can use this timber to manufacture fences and perform other services when it comes to carpentry. It is noted for its attractive compound leaves and pendant racemes of violet purple pea-like flowers. Although native to North America, locust trees grow in many countries throughout the world. 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. Cut new growths and stems and be patient as you may have to do them several times throughout the year. Middle-aged 'Purple Robe' Black Locust. The native species blooms in mid-late spring and the flowers are white and fragrant. The all-encompassing fragrance of its flowers is the reason behind its popularity in various gardens and parks worldwide. Leaves are divided into 7 to 19 leaflets, 1 to 2 inches long and are arranged in pairs. The upright, rounded growth and short, irregular branches form a tighter canopy than the species and cast medium shade below the tree, allowing a lawn to grow. Yes. It's a medium-sized tree, reaching about 40 feet in height at maturity. This makes it extremely difficult to burn, which is a good thing for anyone in search of a good source of firewood. These are sweet-tasting peas that animals enjoy eating. Previous Post: Farewell to Roses. This improved variety is much less thorny than its predecessor but keep an eye out because it's common for this tree to grow a few thorns. How long should this tree live ? Additionally, 'Purple Robe' is incredibly tough, super hardy, and drought tolerant. Most locust trees bloom every year provided freezing did not kill them. Other names for the bristly locust tree include rose-acacia and moss locust. The upright, rounded growth and short, irregular Black locust is a fast growing tree that can reach up to 75 feet in height. The flower color helps to tell black locusts apart from honey locust trees that have creamy-green colored flowers. Compared to honey locust timber, black locust wood is more common. The wood is weak and brittle making it subject to storm damage. The beautiful Purple Robe Black Locust tree. Yes, there is a problem with its thorns being poisonous but not all varieties of this tree are toxic. Blooms are often followed by showy, 4 purple edible fruit . Leaves emerge an interesting bronze-red in spring, but eventually turn an uneventful yellow in fall. Robinia is a genus of between maybe 6 to 30 species (many are unresolved) of trees and shrubs from North America. Leaves are between 4 and 6 (10 15 cm) long and are fern-like similar to all trees in the Robinia and Gleditsia genera. We write how-to guides and tips for houseplants. Mountain famous for continual blooms spring through autumn with just a bit of care. The perfect mountain perennial with huge fiery flowers on a compact plant. Prescott, AZ 86305. The beauty of this mid-sized ornamental tree is that they can grow in just about any condition as long as the soil drains quickly after a rain. If you wish to grow any locust varieties, then you will be glad to know that it is easy to grow one as they can adapt to various street and lawn conditions. It has grown in to the neighbors yard, and he's allowed one to grow to a height of about 10 feet. Honey locust is also commonly used in landscaping. Don't wait for your chance to own this gorgeous tree, order now! It features deep green ferny leaves during the spring that become golden yellow once the fall comes. Its the perfect summer shade tree. The bristly locust tree is also otherwise known as the moss locust and the rose acacia. This fast-growing native tree can form colonies and has brittle wood. It is famous for its ability to grow large clusters or groups of pea-like flowers that tend to bloom during the spring. Overall, it is one of the nicest accent and shade trees with the ability to resist deer and various diseases. Locust trees have pods with pulp inside. Purple Robe Locust. It is a good choice if you are in search of a thornless honey locust tree variety. Note that various locust tree species also grow healthily in the wild, especially in North America. Don't plant it too deep, as is key for any new tree. It is also one of the honey locust varieties capable of growing really rapidly. The black locust is a deciduous, hard-wooded tree that grows well in sunny locations. Trees of the Purple Robe Locust develop long clusters of violet flowers similar to those of Wisteria in the spring. Its fast-growing nature and intricate root system mean that the bristly locust shrubby tree is considered invasive in many states. The following are five purple-blooming trees to consider planting once the weather cools off. As for the black locust trees, you can easily identify them through their fragrant flowers that are often around an inch long and appear in pendant clusters during the late spring. The bark, seed pods, branches, and leaves are considered to be toxic. Don't wait for your chance to own this gorgeous tree, order now! Black locust trees grow to between 40 and 100 ft. (12 30 m) with exceptional varieties reaching heights of 171 ft. (52 m). You can choose to use it for small wooded or shady areas or as a focal point on your large lawn. Call Toll-Free: 1-866-586-6283. It can grow in just about any condition as long as the soil drains quickly after a rain. Your Cart. One thing to take note of about its toxic part is that it is concentrated on the leaves, bark, and branches. The honey locust tree has a wide canopy and this helps grass to grow in its shade. This purple flowering variety, Indica Crape Myrtle, still loves heat and humidity. Different to honey locust trees, the sharp spikes are short and dont grow in long branches around the tree. Be sure to place your order as soon as you see this gorgeous tree in stock. There are also some thornless varieties. Dark, rose-pink flower clusters. Each cluster may be up to eight inches long and covers the tree profusely. It is noted for its attractive compound leaves and pendant racemes of violet purple pea-like flowers. 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. Keep livestock well away from black locust. In several cases, you have to perform the treatment method again, regardless of what it is, to keep the tree under control. I've grown 'Purple Robe' both on the Valley floor and in the mountains near Yosemite. This tree is distinguishable because it does not have thorns plus it grows really fast. Plants may be Model #NURSERY. COPYRIGHT 2020, WATTERS GARDEN CENTER. Colorado gardeners often plant the honey locust in woodland areas and shelterbelts. Get Pricing and Availability . U.S. Plant Patent PP2,454 issued November 24, 1964. Even better about the skyline honey locust tree is that it does not require much care and maintenance. At 20 feet high by 20 feet wide, this tree is smaller in size and has contorted limbs. Some species produce pink or purple flowers. Due to orangey-red colors in the deep grooves, the bark may have an overall reddish appearance. Leaves. Robinia pseudoacacia'Purple Robe' Figure 1. Unlike the black locust, the honey locust tree trunk has thorny branches growing around it. Thorny branchlets. Black locust is a tough tree that will survive very poor conditions. Good drought tolerance. A cultivar of the native black locust, it is also known as the Purple Robe Black Locust. Being a member of the Robinia genus, there is a small oval leaflet at the tip of each leaf. If you are looking for trees with purple flowers, some good choices are Texas Mountain Laurel, Purple Robe Locust, Chaste Tree, Crepe Myrtles, Royal Empress Tree, or the Eastern Redbud. But once established, tough Purple Robe Locust trees are also super hardy and drought tolerant with a brisk growth rate of 2 or 3 feet of growth each year. This cultivar of black locust probably grows to about 40 feet tall with a spread of 20 to 35 feet. Black locust is resistant to, Robinia pseudoacacia L. (black locust), inflorescence, Robinia pseudoacacia L. (black locust), bark. Rose, Pink to white flowers cover this spring bloomer that often repeat blooms in fall. This is likely a native tree called a Black Locust (Robinia pseudoacacia) and they have been widely planted into the East Coast, Midwest and into the Southern parts of the country. L. These are ideal for a natural barrier on a property line or an ornamental accent tree in a landscape. As for its foliage, you can expect to see it in rich green during the spring and turning into yellow green then golden yellow in the summer and fall, respectively. 5. Also, honey locust tree leaves tend to be a lighter shade of green than the black variety. This tree is an excellent barrier plant to protect your property beautifully. Be extra careful, as skyline honey locust also has a thorny trunk. The feather fern foliage and branches that are spaced widely apart mean that this locust tree is another excellent tree to provide shade in a backyard or garden landscape. It will then turn into bright yellow once the fall comes. You can use the seed pods of locust trees as fodder for your livestock. 'Sunburst' honey locust has yellow foliage. Each spring, the leaves emerge reddish bronze, before maturing to dark blue-green. Full Sun or Shade for a Crimson Queen Maple, Missouri Botanical Garden: Robinia "Purple Robe", The University of Utah: Facilities - Purple Robe Locust, Utah State University Extension: Integrated Pest Management - Locust Borer, How to grow your own herb garden in any indoor or outdoor space. BL is a traditional tree planted by settlers here.It seems to thrive in most soil types.I am currently working on a cob wood structure using it.It is the only hardwood suitable for cord wood construction because it dosnt shrink or expand as extremely.It is very hard to peel when fresh cut but after lying in moist conditions for at least 6 months Fixes nitrogen. Ever wonder what a larger plant will mean for your landscape? I have not seen the suckering from this tree that Locusts in other areas can have. The flowers are important sources of food for honeybees. There is a high chance for its trunk to become really large. Robinia pseudoacacia, commonly known in its native territory as black locust, is a medium-sized hardwood deciduous tree, belonging to the tribe Robinieae of the legume family Fabaceae. Enter keywords to search on the arboretum map. Honey locusts also have inflorescences that are not that rich and thick, making them different from other varieties. The new foliage emerges tinged with purple and matures to a bronze-green color. Robinia pseudoacacia'Purple Robe' Figure 1. This cultivar has yellow foliage and grows 40 feet high by 25 feet wide. The most common and popular among the many locust varieties are the honey locust (Gleditsia triacanthos) and black locust or Robinia pseudoacacia. We're here to keep you informed in all things related to plants. Super hardy and drought tough with a brisk growth rate of 2 feet in one year. Note, though, that you have to pick the honey locust tree for this as the pods of black locust are toxic. The honey locust (Robinia pseudoacacia), sometimes called the black locust or the purple robe locust, features purple-tinted leaves and deep purple flowers. Fall color is yellow-green. Flowering Trees. The bristly locust tree is a large flowering shrub with compound leaves, pink pea-like scented flowers, and reddish-brown seed pods. The black locusts can also fairly tolerate drought, though, you should still avoid exposing it to excessive flooding and water. And the fact that it has thorns on its branches, makes it even worse! The thorns of a Black Locust Tree are a product of evolution, and act as a deterrent to mammals browsing the foliage. Leaves are pinnately compound with between 7 and 15 leaflets on each leaf. The vast spread of the trees foliage, small leaves, and widely-spaced branches make this an excellent shade tree. To grow this locust tree variety, ensure to provide it with full sunlight and moist but well-drained soil. You will also notice the leaf gaps in this variety that provide the plants in any lawn dappled light. The fragrant, creamy white flowers appear in hanging clusters in late May. 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. Full Sun 6 Hours Direct Sun Perennials. Because bristly locust plants dont grow higher than 10 ft. (3 m), they are a perfect type of small tree for your garden. In the spring, usually in May through early June, the purple robe locust tree produces fragrant pinkish-purple flowers on hanging racemes that may be up to 8 inches in length. It also has masses of flowers that you can expect to bloom starting from the spring season to summer. Honey locust tree bark is gray-brown to red-brown and is covered in clumps of branched thorns. Compared to the native honey locust species, the Sunburst cultivar is shorter. I fell in love last Thursday. Among these locust varieties are the following: If you are in search of a thornless locust tree, the Imperial honey locust is ideal for you. However, purple locusts will not tolerate "wet feet" and therefore require good drainage. We are a team of writers that love all things plants. Dark purple fragrant flowers in May to June. Flowering Shrubs. This is one of its most endearing qualities. Note, though, that the purple robe locust tree has this invasive nature, which is why it is not ideal for household lawns. 3. You can also identify the honey locust flowers with their greenish-yellow shade instead of the pink or white one and are fairly insignificant when you compare them to the other locust trees with showy flowers.