Black Locust (Robinia 'Purple Robe')

General Plant Information (Edit)
Plant Habit: Tree
Life cycle: Perennial
Sun Requirements: Full Sun
Water Preferences: Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Minimum cold hardiness: Zone 4a -34.4 °C (-30 °F) to -31.7 °C (-25 °F)
Maximum recommended zone: Zone 8b
Plant Height: 30 to 40 feet
Plant Spread: 20 to 30 feet
Leaves: Deciduous
Fruit: Showy
Flowers: Showy
Fragrant
Flower Color: Purple
Bloom Size: 1"-2"
Flower Time: Spring
Late spring or early summer
Suitable Locations: Street Tree
Xeriscapic
Uses: Flowering Tree
Will Naturalize
Dynamic Accumulator: Nitrogen fixer
Resistances: Deer Resistant
Drought tolerant
Miscellaneous: Tolerates poor soil

Image

What's Blooming in FebruaryWhat's Blooming in February
February 18, 2012

Last month's Name That Bloom Contest subject was the Black Locust Tree, Robinia pseudoacacia 'Purple Robe.' Check in to see who was the first to give us the right answer and while you're here, check out this month's mystery flower, too.

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Photo gallery:
Location: In my garden, Cottage-in-the-Meadow Gardens, South Amana, IADate: 2007-05-18
By larryr
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Location: In my garden, Cottage-in-the-Meadow Gardens, South Amana, IADate: 2007-05-18
By larryr
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