Are purple robe locust trees invasive?

Are purple robe locust trees invasive?

The purple robe locust is hardy in U.S. Department of Agriculture zones 4 to 8. The roots and seeds of the purple robe tree spread so aggressively that it is considered invasive.

How fast do purple robe locust trees grow?

Super hardy and drought tough with a brisk growth rate of 2 feet in one year. It’s the perfect summer shade tree. Purple Robe Locust botanical name is Robinia pseudoacacia, an improvement of the native Black Locust tree.

How big does a purple robe locust tree get?

30-40′ tall
‘Purple Robe’ is a medium sized, suckering, deciduous tree that typically grows to 30-40′ tall with an oval-upright habit. It is noted for its attractive compound leaves and pendant racemes of violet purple pea-like flowers.

Do locust trees have purple blooms?

The Purple Robe Locust, robinia pseudoacacia, is a stunning ornamental that is known for developing, in the spring, swathes of gorgeous pink-purple flowers that resemble wisteria. It is also a great shade tree. A cultivar of the native black locust, it is also known as the Purple Robe Black Locust.

Are purple robe locust poisonous?

Its branches can have sharp thorns, although supposedly there are some thornless varieties. An insect called the locust borer can attack the trunk and branches. Another called the locust leaf miner can cause such damage that the leaves turn brown in the summer. The bark, leaves, and seeds are poisonous if eaten.

How long does purple robe locust bloom?

10-day
The sweet-smelling flowers, which last for a 10-day period in late spring, are followed by 4-inch leathery purple-brown seed pods that persist on trees all winter.

How long do purple robe locust live?

150 years
The hardy purple-robe locust can live up to 150 years with proper care in U.S. Department of Agriculture plant hardiness zones 4 through 8.

Are locust trees worth money?

Black Locust wood contains natural organic compounds that resist rot for 100 years or more, which makes these trees an extremely valuable and environmentally friendly tree. It is the perfect wood for fence and deck posts.

How long do purple robe locust trees live?

Is locust poisonous to dogs?

The entire black locust tree, especially the bark and shoots, is toxic to cats and dogs. If consumed, it can cause kidney failure, weakness, nausea, depression and death.

Are purple robe locust trees poisonous to dogs?

Toxicity. Honey locust and carob trees are classified as nontoxic to dogs, while black locust and other Robinia species are specified as poisonous by the American Society for the Prevention of Cruelty to Animals. Bring your pup to the vet for treatment if you suspect it’s eaten any locust leaves from a toxic species.

What is a purple robe locust tree?

The Purple Robe Locust, robinia pseudoacacia, is a stunning ornamental that is known for developing, in the spring, swathes of gorgeous pink-purple flowers that resemble wisteria. It is also a great shade tree. A cultivar of the native black locust, it is also known as the Purple Robe Black Locust.

Is a black locust tree a shade tree?

It is also a great shade tree. A cultivar of the native black locust, it is also known as the Purple Robe Black Locust. Its spectacular display of dangling, wisteria-like blooms that are up to eight inches long and fragrant make this a favorite ornamental tree!

What does a purple robe plant look like?

The native species blooms in mid-late spring and the flowers are white and fragrant. The variety ‘Purple Robe’ features beautiful, fragrant purple flowers. Bees and beneficial insects love the flowers. Each spring, the leaves emerge reddish bronze, before maturing to dark blue-green.

How tall is a black locust tree caliper?

The approximate heights as they relate to caliper size in Purple Robe Black Locust trees. A 2.0 inch caliper = 10-12ft tall, 2.5″ caliper = 12-14ft tall, 3.0 inch caliper = 14-16ft, 3.5 inch caliper = 16+ ft tall, 4.0 inch caliper = 16-18+ ft tall.

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