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How can you tell a black locust from a honey locust?

Honey locusts can be distinguished from Black Locusts by their longer, widespread thorns and longer seedpods. The bark of the two trees is also quite different in color and shape, and the Black Locusts flowers are large, showy white clusters, while those of the Honey Locust are creamy and insignificant.

What are black locust trees good for?

The tree has been used to support nutrition in other crops, from grains to other trees. Research has shown increases in nitrogen in barley grain crops interplanted with locust, and black walnuts interplanted with locust as “nurse” trees were shown to rapidly increase their growth.

Why do black locust trees have thorns?

These thorns are thought to have evolved to protect the trees from browsing Pleistocene megafauna, which may also have been involved in seed dispersal, but the size and spacing of them is less useful in defending against smaller extant herbivores such as deer.

Is black locust wood valuable?

Black Locust wood is valuable because of its exceptional durability of 50+ years and certifiable sustainability. Black Locust wood is naturally rot-resistant and has antifungal properties.

Are black locust tree thorns poisonous?

All parts of a black locust are extremely toxic and can cause severe stomach pain or death in children, pets and livestock if eaten. 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.

Is the black locust tree poisonous?

The Black Locust inner bark, roots, and twigs are poisonous to livestock, especially horses, and can be fatal. The seed is poisonous to humans.

Does black locust have thorns on trunk?

A remarkable feature of the black locust is its ability to grow new branches by sprouting new roots and shoots. The tree grows with a single leader and thorns can be found on the trunk or branches.

Should I plant a black locust tree?

Plant black locust trees in a location with full sun or light shade. It prefers loose soil that is moist but well-drained, although it adapts to most soil types. Water the tree often enough to keep the soil moist during its first growing season.

Are black locust trees messy?

Are honey locust trees messy? While honey locust trees drop both small leaflets from their compound leaves and purple seed pods, these drop around the same time in fall. The resulting mess is rather easy to clean-up, though the small leaflets are a bit difficult to manually rake.

Is black locust an invasive species?

Black locust (Robinia pseudoacacia) is considered invasive in Connecticut, Maine and Massachusetts, and yet it is native in Pennsylvania and could be considered native to the New England Ecoregions. (It is present in the Northeastern Highlands ecoregion).

How big do black locust trees get?

This tree may reach 25 meters (82 feet) tall and up to 120 centimeters (47 inches) diameter. The bark on older trees is thick and deeply furrowed. Twigs are generally smooth or finely hairy, but often armed with a pair of sharp spines at each leaf or leaf scar (see photo).

What is the difference between black locust and yellow locust?

The black locust is also known as the false acacia or yellow locust and there are about 10 species. While the black locust tree is a native of the south eastern US, the honey locust tree is native to central eastern region. One can also tell the two trees apart by just looking at the bark.

How fast does a black locust tree grow?

In its native range, black locust grows rapidly following disturbances such as logging or mining. In regenerating hardwood forests in North Carolina, black locust seedlings grew 26 feet (8 m) in 3 years. They grew faster than any other species for 10 to 20 years [24].

Can a locust thorn make you sick?

People who handle thorny plants, sphagnum moss or bales of hay are at increased risk of getting sporotrichosis. The fungal disease usually affects the skin on the fingers, hands or arms. Rare forms can also affect the lungs, joints, bones and even the brain.

Are black locust trees 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. If ingested, any part of the plant is poisonous to dogs and may cause vomiting, diarrhea, abdominal pain, arrhythmias, and respiratory depression.