purple robe locust tree problems

It was 10ft high with three little sticks off the main branch it is now at least twenty feet high and 15 ft wide. Look for supple twigs that have a bright green cambium layer under the bark.

Purple Robe Locust Friends Of The Urban Forest

As if I need more plants that turn brown in my summer landscape.

. Locust borer is a serious pest although borer-resistant clones are now being developed. An easy-care fast-growing specimen in lawns. Purple Robe Locust Robinia pseudoacacia Purple Robe is a medium-sized upright tree growing 40 feet in height with a compact rounded form.

And it can kill small trees. If the twigs are dead but there is healthy cambium the may be new growth from the branches. It has clusters of fragrant deep pinkish-purple blooms and can grow in less than ideal conditions.

Leaf miner is a universal problem on the species. Even in poor infertile soils the plants seem to do well. Another thing I noticed about my purple robe black locust tree is it had a rather large bulge at the top of the trunk where the branches begin to come out.

Compact rounded tree extremely adaptable to a variety of areas. The flowers have a lovely light fragrance. This is a fungus that enters the tree through the roots.

The Purple Robe Locust tree is a favorite of bees and butterflies. It is susceptible to the locust borer and other insect pests. Purple robe tree locust borer control.

These tend to be problems in wet years. Hardy to -40F Maximum Elevation. Purple Robe Locust is a tough fast growing shade tree with highly fragrant and very attractive chains of deep pink flowers in spring.

Our weather has been peculiar with heavy cloud cover but no rain -- trees think Autumn has started. This weakened the tree making it susceptible to wind damage and split branches. Borers can be problematic following stress.

Another called the locust leaf miner can cause such damage that the leaves turn brown in the summer. Robinia pseudoacacia Purple Robe. Unfortunately Purple Robe black locust is a magnet for locust borers which are a type of longhorn beetle.

How do I treat purple robe tree borers and what product do I use to treat the tree. The tree provides good dappled shade but has sharp thorns on its branches. You will need to prune off any dead wood.

Not for general use in urban areas due to borer problems unless located in. The doubts began to creep in. Suitable along streets or other narrow spaces.

Trees send out underground root suckers that not only become a maintenance problem but also can disrupt nearby gardening areas. Also bothered by carpenterworm locust leaf miner and scales. For leaf diseases to be developing this year frequent watering may be the cause.

Leaf miner is a universal problem on the species. The fungus can impact any tree and with locust trees you really need to look out for verticillium wilt. Purple Robe Black Locust 3 or alkaline except that which is permanently wet.

Is this a result of over-watering. Young trees should be pruned in the fall or winter to strengthen the structure of the tree and to develop its desired shape. Re purple robe locust I live in cambridge ont and two years ago planted a purple robe locust My gran from Scotland used to tell me about how beautiful they were.

Truly a unique specimen shade tree which has been growing in popularity recently the Purple Robe Locust is extremely adaptable to. She was rightThis is the second year and it has tripled in size. Robinia pseudoacaciaPurple Robe -- Purple Robe Black Locust Page 4 Pests Locust borer is a serious pest although borer-resistant clones are now being developed.

The tree is described as short- lived. Trees along the highways in the south can be seen in summer riddled with damage from this pest. See below for the USDA hardiness zones.

While preferring full sun the tree can grow in partial shade. Buy Purple Robe Locust trees to enjoy their stunning beauty in your landscape each spring. The scent of the active borers can carry for miles so once a tree gets a problem it must be addressed or else.

My purple robe locust has rust on many leaves. 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. Well the larger overpruned purple robe locust we planted December 2005 has grown exponentially and has started sprouting on the ground.

An excellent small yard tree needing little fertilizer or much of anything. 40-50 ft tall 30 ft across. The Purple Robe black locust has an invasive root system even in the poorest soils which sends up suckers.

Trees along the highways in the south can be. Hardy tree known for beautiful purple flowers in late spring. A tough tree which should be saved for the toughest sites.

Fast-growing shade tree-2-3 ft per year. Locust tree leaf rust Question. Problems Purple Robe is considered to be a very easy-to-grow tree.

This tree has been pampered and it is not stress sending up new baby trees. That is a result of scaring due to the damage going on inside. In some areas it is considered invasive spreading through the landscape and interfering with other plants.

An excellent barrier plant to protect your property beautifully. The trunk is long and straight with an interesting branching pattern. Also bothered by carpenterworm locust leaf miner and scales.

Depending on the health of your current tree its difficult to determine if it will survive. How to Use Purple Robe Locust in the Landscape. Locust trees are susceptible to several different diseases.

Mow the grass right up to the trunk to keep the plant as a single stem. The main issue with this disease is that it remains asymptomatic at first. Yes you are correct.

Should be pruned in late summer to avoid bleeding. The locust trees are subject to leaf diseases such as rust and powdery mildew. It thrives in many difficult growing conditions.

It is also sometimes considered to be somewhat weedy. If the twigs retain a viable cambium layer the tree may recover totally if properly irrigated see below. I did more research.

An insect called the locust borer can attack the trunk and branches. Purple Robe Locust trees are very hard wooded and will tolerate storms well. 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.

Purple-robe locust is considered an easy-to-grow tree perhaps too much so at times as the trees send out underground root suckers that can be a maintenance problem or. You have locust borers and based on their biology there are three ways to treat.

Robinia Pseudoacacia Purple Robe Purple Robe Black Locust Trees To Plant Shade Trees Side Yard Landscaping