One reason is its rapid growth. The only things it needs are winter pruning and sufficient sunlight. Some also use the pulps of the seed pod to ferment beer. You can also control black and honey locusts by cutting back these trees each growing season. 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. One of the heaviest and hardest woods in North America, black locusts are actually in the pea/bean . Unlike the black locust, the honey locust tree trunk has thorny branches growing around it. It has grown in to the neighbors yard, and he's allowed one to grow to a height of about 10 feet. 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. It is most likely messy if the trees are those that continuously drop twigs, large leaves, and nuts. age of the plant! Pinnate bronze-green leaves, with each leaf having up to 23 lance-shaped to ovate leaflets, are attractive during the growing season. Good drought tolerance. The New Mexico locust tree is also called the southwestern locust or hojalito. Its fast-growing nature and intricate root system mean that the bristly locust shrubby tree is considered invasive in many states. Contact Us The fern-like leaves and widely spaced branches give enough shade without completely blocking out sunlight. The locust tree is the quintessential shade tree known for its attractive form, great-looking fall foliage, and highly impressive leaves. The tree's flowers often stay blooming for longer than other varieties of black locust. Honey locusts also have inflorescences that are not that rich and thick, making them different from other varieties. Locust trees refer to rapidly growing flowering trees that belong to the pea family and a group of flowering plants known as Fabaceae. Species of honey locust trees with the botanical term inermisa Latin word meaning harmless or defenselessin the name are thornless varieties of the species. Additionally, 'Purple Robe' is incredibly tough, super hardy, and drought tolerant. Its leaves are typically bronze-green, turning bronze-red in the spring . You wont want to miss any of the show. You can still order now and we will ship the plant to you during an appropriate time for your zone. Matthew says (Matthew 27:28), "They put on him a scarlet robe . Trees send out underground root suckers that not only become a maintenance problem but also can disrupt nearby gardening areas. 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. Black locusts have invasive traits that enable them to spread aggressively. The small flower clusters are a greenish-yellow color that provide color to your garden in late spring and early summer. There could also be dark green leaves. This is very nice to look at and can add a more energized look to your garden. Timing is important! Soil: The honey locust tree is a hardy tree and can grow well in different types of soil. Compared to the black locust, the honey locust trees flowers arent as showy and stunning. You are here: Home Locust Trees Purple Robe Locust. Compared to the native honey locust species, the Sunburst cultivar is shorter. The black locust tree flowers are rich in nectar, making this a beautiful honey plant. The purple robe is a variety of black locust tree that develops showy, fragrant, purple flowers each spring. The species of locust trees are divided into two genera: Robinia and Gleditsia. Note, though, that you have to pick the honey locust tree for this as the pods of black locust are toxic. They are usually about 2-4 inches long, flat, straight or slightly curved, and typically contain 3-10 seeds per pod. Fixes nitrogen. She proliferates up arbors, pergolas, fences, and stunning as a ground cover to retain hills. The Garden wouldn't be the Garden without our Members, Donors and Volunteers. You won't want to miss any of the show. Timing is important! This tree is an excellent barrier plant to protect your property beautifully. Leaves on the skyline honey locust tree are pinnate or bipinnate containing pairs of small, ovate leaflets. A common type of tree well-loved by gardeners in different parts of the world, the honey locust trees continue to impress because of their elegant nature. The thorns of a Black Locust Tree are a product of evolution, and act as a deterrent to mammals browsing the foliage. Purple Robe Locust Tree (Robinia pseudoacacia 'Purple Robe') is an improvement of the native Black Locust tree. There is a high chance for its trunk to become really large. Many say that the only locust trees that contain the toxic and poisonous substance known as toxalbumin are those that belong to the black locusts. Have you ever noticed a group of white-flowering trees blooming in mid-spring along pasturelands and fence lines? Popular sizes of select trees are 1 foot, 2 feet, 3 feet, etc. Also, observe if there are forked, straight, or sharp spines, which also indicate locusts. The shademaster honey locust is the perfect tree if you are looking for a lawn tree. In any case free trees free trees, want more of the purple robe locusts! In commerce, it is synonymous with and frequently sold as R. pseudoacacia Purple Robe. 3. Locust tree identification during the spring is possible by checking out the presence of pendant clusters of sweet and fragrant pea-shaped flowers often in the shades of pink and white. Every backyard should have at least one. They are extremely tough and can easily puncture the skin. It also has mildly scented yellow flowers that bloom beginning from spring to summer. 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. The perfect cottage garden flower ideally grown in containers, hanging baskets, or raised beds. This tree can sucker to the point of forming colonies. Don't wait for your chance to own this gorgeous tree, order now! Each leaflet has a tiny point at the end. You can use the seed pods of locust trees as fodder for your livestock. Ecological threat: Invades forests, upland prairies and savannas, pastures, old fields and roadsides. 5. The black locust is kind of invasive and features twenty-one leaflets less than two inches long. An easy-care, fast-growing specimen in lawns. As a guide in growing this famous locust tree, take note of the following: As for its size, expect this tree to grow around 30 to 50 feet high. 1). Flowering Shrubs. Like Frisia, purple robe has red prickles. The dark blue berries adorn this compact bush that takes the wind and soaks up the sun like a native. ALL RIGHTS RESERVED. Middle-aged 'Purple Robe' Black Locust. Don't plant it too deep, as is key for any new tree. Leaves divided into 7 to 19 leaflets 1-2 inches (2.5-51cm) long. Also called Robinia pseudoacacia Purple Robe, this is one of the locust tree varieties that fall under the shade tree classification and known for its ability to withstand even those inferior growing conditions. It is also sometimes considered to be somewhat weedy. The entire leaf can be up to a foot long. May be used as a street tree. Michael Dirr (p. 1014, 2009) calls it an "alley cat" type tree which can survive under the toughest conditions. It showcases green foliage during the spring season that you can expect to turn yellow once the fall comes. The damage can be so extensive that the tree dies. While many say that locust trees are poisonous, you should still remember that not all of them are toxic and poisonous. The purple locust tree is a member of the legume family, which means that it can fix soil nitrogen, which allows it to survive in sandy soils. The Utah State University Extension recommends applying an insecticide like carbamate or pyrethroid to the trunks of the trees in late July and early August, just before the locust borers lay their eggs. Growing from its 40 foot branches are small purple leaves that remind us of a Hawaiian Lei. The new foliage emerges tinged with purple and matures to a bronze-green color. As he stood alone forsaken on that day. It can tolerate various soil pH levels and features yellow-green flowers and chewy and sweet seeds. Black locust timber (left) and bark (right). Because bristly locust plants dont grow higher than 10 ft. (3 m), they are a perfect type of small tree for your garden. The bristly locust tree is also otherwise known as the moss locust and the rose acacia. Each spring, the leaves emerge reddish bronze, before maturing to dark blue-green. Upright, spreading shrub with slender thorns, narrow silvery leaves, orange fruit on females persists into winter: Holodiscus dumosus Rock spirea: 4 x 4. Cut new growths and stems and be patient as you may have to do them several times throughout the year. Some species produce pink or purple flowers. Bees and beneficial insects love the flowers. This fast-growing native tree can form colonies and has brittle wood. The leaves are also toxic, but in addition to thorn toxicity is the problem of extreme pain when swallowing thorns that grow up to 2 inches long. It is hard wooded and tolerates storms well. Compared to honey locust trees, black locust tree leaves are a darker green color. 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. 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. Due to winter weather we have put a hold on shipping to the areas shown below in grey. The bristly locust tree is a large flowering shrub with compound leaves, pink pea-like scented flowers, and reddish-brown seed pods. The wind is no problem for this evergreen bloomer. You can even expect it to resist saline conditions, high winds, and insufficient water. This thornless honey locust tree is also famous for being really adaptive and durable. An impressive show and worthy of cutting a few flowers and bringing them indoors for enjoyment. It is short-lived and prone to borer injury. Purple Robe Locust botanical name is Robinia pseudoacacia, an improvement of the native Black Locust tree. The sharp barbs usually grow to 4 (10 cm) long, but they can be up to 8 (20 cm). 2. root plants are sold by height from the top of the root system to the top of the plant. Keep in mind, specific varieties and different growing conditions can affect the rate at which plants grow. The highly distinctive ferny structure with up to 45-feet growth and 25-feet spread of the skyline honey locust tree is one of the things that makes it so appealing to many people. .yum! This variety has the term inermis which means that the Sunburst honey locust is a thornless tree. Robinia pseudoacacia'Purple Robe' Figure 1. Establish it the first year with careful watering. Once the flowers bloom, long pods will follow. The most common types of locust trees are the black locust and honey locust tree. Honey locust is also commonly used in landscaping. Order today! The most widely used landscaping variety is the thornless honey locust with is beautiful white pendulum of blooms in early Summer and its graceful form as an attractive street tree in urban areas. The leaves are bluish-green with very little color change in the fall. It is reportedly a hybrid cross between R. ambigua Decaisneana and R. hispida Monument. It grows in an upright, irregular oval shape. The earliest reports of possible poisoning associated with the black locust involved horses, which either became severely ill or died from swallowing parts of the tree. In a garden landscape, honey locust trees are grown as specimen trees for their ornamental beauty. Companion Plants with Purple Robe Locust for a Stunning Backyard. Both are known for being endemic in the entire region of North America. Expect it to grow straight then branch off eventually with elegance and balance to form big fronds of foliage capable of arching and drooping once the generous and rich flowers with nice scents start enveloping them with the shade of white. 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. An excellent small yard tree, needing little fertilizer or much of anything. It even has an average growth of 50 feet. RF2B161MJ - Blooming purple robe locust tree. Blooms are often followed by showy, 4 purple edible fruit . '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. Be extra careful, as skyline honey locust also has a thorny trunk. I spotted the object of my desire over the fence in a yard of one of the houses near the creekside walkway. These pods contain a sweet, honey-like substance as with all honey locust trees. We're here to keep you informed in all things related to plants. It is also one of the honey locust varieties capable of growing really rapidly. White/May - Jun. Small hairs or bristles growing on the dark green leaves give them a grayish appearance. It is commonly called the Sweet Bean, Sweet Locust and Honeyshuck. . Because they can become invasive, the suckers of the purple locust tree should be removed as soon as they appear. Extremely fragrant and only found locally at Watters. 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 leaves will show an impressively rich shade of bright yellow when the fall comes. While there are several thornless cultivars and varieties of honey locusts, note that the ones that have thorns are also considered the fiercest. The Purple Robes will adapt to our hot, dry New Mexican areas and will tolerate our alkaline soils. One way to tell honey locusts apart from black locust trees is that the leaves have no leaflet at the tip. The imperial honey locust tree is a thornless species of deciduous tree that grows up to 40 ft. (12 m). The following are five purple-blooming trees to consider planting once the weather cools off. This can give the tree an oriental or Japanese appeal despite being a native plant in the US. These are sweet-tasting peas that animals enjoy eating. Many varieties of locust trees have long sharp thorns and there are a few thornless species. Each cluster may be up to eight inches long and covers the tree profusely. One can choose to cultivate it as a tree or a shrub. This is a thornless and pod-less variety of locust tree with small leaflets meaning that it is easy to maintain. Follow the guidelines in the Plant Highlights for the best results. The ability of this tree to adapt well to various conditions and suit different needs and gardens is also one reason why it is one of the top choices of those who intend to grow their own trees. This thorny tree also works well to control erosion. Overall, you will notice the Imperial honey locust showing off its ferny structure that has a tinge of yellow green. While happy with the rapid growth, shade, and blooms of these trees; I am constantly cutting down shoots throughout the yard. The black locust tree is also called False Acacia, Fragrant White Locust, and Common Robinia. It is native to states such as Pennsylvania, Alabama, Georgia, Missouri, and southern Ohio. New foliage is bronzy-red. It's also a hardy choice for tough environments, like urban areas. Greenish-white, inconspicuous flowers appear in May and June and turn into long twisted seedpods that are a purple color. The purple locust tree can become infected with locust borers, which are black beetles with yellow markings that create tunnels inside the trunks and branches of the tree, weakening it. You will also notice their twisted pods in dark brown. Honey bees love it, as do many native pollen bees. 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. Flowers white, 2.5 cm pea-type, in 10-20 cm long racemes, fragrant. You can pick them but be extra careful if the tree has thorns. This is one of its most endearing qualities. You can count on this bloomer to show off all summer long in raised beds, containers, or directly in the ground. . The upright, rounded growth and short, irregular Other names for the bristly locust tree include rose-acacia and moss locust. 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. fast-growing shade tree-2-3 ft per year; 40-50 ft tall, 30 ft across; drought-tolerant; suitable along streets or other narrow spaces; needs full sun; zone range 4-8; needs well . The leaves were divided into delicate leaflets. How to Use Purple Robe Locust in the Landscape. The purple robe was to symbolize royalty, and they mocked him as King of the Jews. In several cases, you have to perform the treatment method again, regardless of what it is, to keep the tree under control. The purple robe locust tree is a medium-sized tree, growing to heights between 30 and 50 feet and widths between 25 and 30 feet at maturity. As with most types of honey locust trees, the skyline has a spiky trunk with thorned branches. 1. There are also some thornless varieties. Wait until late spring, when the flowers are done blooming, before making any cuts. Colorado gardeners often plant the honey locust in woodland areas and shelterbelts. It thrives at a neutral level, too. Shipping and handling charges are calculated based on the tables below. Our horticultural team has put together recommendations on how to best use this tree in your landscape: 1. Purple robe black locust (Robinia pseudoacacia 'Purple Robe') It is considered as one of the most beautiful locust trees because its leaves change in every growth stage. Even in poor, infertile soils, the plants seem to grow.