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Robinia pseudoacacia

Black Locust

Plant photo of: Robinia pseudoacacia
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Information by: Jerry Sortomme - Editor        Photographer: Connon Nursery

 

Description

This very fast-growing deciduous tree will grow 40-75' tall and 30-60' wide. It has blue-green or light green leaves with fragrant white flowers in the spring. Thorny branches, hard wood and heavy sucker production make the Black Locust a challenging maintenance project.

 

Plant Type

Tree

Height Range

25-40'

Flower Color

White

Flower Season

Spring

Leaf Color

Blue Green, Light Green

Bark Color

n/a

Fruit Color

n/a

Fruit Season

n/a

Sun

Full

Water

Very Low, Low, Medium

Growth Rate

Fast

Soil Type

Sandy, Clay, Loam, Rocky, Unparticular

Soil Condition

Average, Poor, Well-drained, Dry

Soil pH

Neutral

Adverse Factors

Invasive, Thorns/Spines

Design Styles

Ranch, Spanish, Wild Garden

Accenting Features

Showy Flowers

Seasonal Interest

Spring

Location Uses

Background, Park, Roadside, Street Tree

Special Uses

Wind Break, Shade Tree

Attracts Wildlife

n/a

Water Saving Tip:

Group plants according to their water needs.

Creating separate zones for drought-tolerant plants, medium water-use plants, and water-thirsty grass will help prevent overwatering.