Botanical Name: Robinia x ambigua 'Decaisneana'
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Common Name: Light Pink Locust  
Plant photo of: Robinia x ambigua 'Decaisneana'
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Water Saving Tip:

Replace turf with groundcovers, trees, and shrubs. If you have areas where no one uses the grass, patches that do not grow well, or a turf area too small to water without runoff, consider replacing the turf with water-efficient landscaping.

  • Anatomy

  • Culture

  • Design

Plant Type

Tree

 

Height Range

40-60'

 

Flower Color

Pink, Purple

 

Flower Season

Spring, Summer

 

Leaf Color

Green

 

Bark Color

Brown

 

Fruit Color

Brown

 

Fruit Season

Fall, Persistent

Sun

Full

 

Water

Low

 

Growth Rate

Fast, Moderate

 

Soil Type

Sandy, Clay, Loam, Rocky, Unparticular

 

Soil Condition

Average, Rich, Poor, Well-drained, Dry

 

Soil pH

Neutral, Basic

 

Adverse Factors

Invasive

Design Styles

English Cottage, Mediterranean, Ranch, Spanish, Woodland

 

Accenting Features

Showy Flowers, Specimen

 

Seasonal Interest

Spring, Summer

 

Location Uses

Background, Park, Street Tree

 

Special Uses

Shade Tree

 

Attracts Wildlife

n/a

Information by: Stephanie Duer
Photographer: GardenSoft

  • Description

  • Notes

This vigorous tree grows 40 to 50 feet tall and 20 to 30 feet wide, and provides 6 inch long clusters of soft-pink flowers in late spring. Wide-spreading light summer shade for very little care; a tough & adaptable tree. Light Pink Locust has smaller thorns than other locust, but it is not without them. Because of compound leaves, shade is filtered and dappled.
Extremely adaptable to varied soils and conditions; will grow practically anywhere but in wet soils. Tolerant of dry conditions and saline soils. It requires full sun, low watering (drought tolerant), and will live in poor soil.