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Robinia Pseudoacacia

Botanical Name:

Robinia pseudoacacia

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How to Grow
Water
Medium
Water moderately, allowing the top 3cm to dry out between watering.
Sunlight
Partial Shade - Full Sun
~
3-6 hours of sun per day, with protection from intense mid-day sun
Soil
Moist, rich to dry, rocky soils.
Characteristics

Bloom Time

Mar, Apr, May, Jun, Jul, Aug

Plant Type

Trees, Native Plant, Poisonous, Tree, Perennial, Not climbing

Lifespan

Woody, Perennial

Plant Height

36-72 ft.

Flower

Fragrant wisteria-like white flowers in pendant racemes (to 8” long) bloom from April to June. They are pea-like and very fragrant.

Fruit

The flowers are followed by smooth, flat, purple-brown seed pods (to 4-5” long). These display from July to November.

Benefits
Ornamental

Black Locust is widely planted for ornament and shelterbelts. It is also used for erosion control, particularly on strip-mined areas. Although it grows rapidly and spreads by sprouts like a weed, it is short-lived.

Attracts

Birds

Butterflies

Hummingbirds

Warning

This species naturalizes easily and is considered an invasive weed in many of its non-native areas of establishment. Its brittle branches (subject to breaking in winds), vicious thorns, rampant root sprouts and copious seeding make this species a garden thug.

Taxonomy

Order

Fabales

Family

Fabaceae

Genus

Robinia

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