Rose Acacia (Robinia hispida)

Common names:
Give a thumbs up Standing Sweet Pea
Give a thumbs up Rose Acacia
Give a thumbs up Moss Locust
Give a thumbs up Bristly Locust

Botanical names:
Robinia hispida Accepted
Robinia longiloba Synonym

General Plant Information (Edit)
Plant Habit: Shrub
Sun Requirements: Full Sun
Water Preferences: Mesic
Dry Mesic
Dry
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Moderately alkaline (7.9 – 8.4)
Minimum cold hardiness: Zone 4a -34.4 °C (-30 °F) to -31.7 °C (-25 °F)
Maximum recommended zone: Zone 8b
Plant Height: 6 to 12 feet
Plant Spread: 3 to 6 feet, but suckers to become wider
Leaves: Deciduous
Fruit: Other: hairy legume pod 2 to 3 inches long
Fruiting Time: Late summer or early fall
Fall
Late fall or early winter
Winter
Flowers: Showy
Flower Color: Pink
Purple
Flower Time: Late spring or early summer
Underground structures: Rhizome
Uses: Erosion control
Will Naturalize
Dynamic Accumulator: Nitrogen fixer
Wildlife Attractant: Bees
Resistances: Deer Resistant
Rabbit Resistant
Drought tolerant
Salt tolerant
Toxicity: Leaves are poisonous
Roots are poisonous
Fruit is poisonous
Pollinators: Bumblebees
Bees
Various insects
Miscellaneous: Tolerates poor soil
With thorns/spines/prickles/teeth
Monoecious
Conservation status: Least Concern (LC)

Conservation status:
Conservation status: Least Concern
close-up of flowers

Photo gallery:
Location: Aurora, IllinoisDate: June in late 1980'sclose-up of flowers
By ILPARW
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Location: Aurora, IllinoisDate: June in late 1980'sa small colony in a landscape
By ILPARW
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Location: Jenkins Arboretum in Berwyn, PennsylvaniaDate: 2019-03-17bristly hairy stems
By ILPARW
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Location: Jenkins Arboretum in Berwyn, PennsylvaniaDate: 2018-02-18leaning stems in winter
By ILPARW
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Location: Jenkins Arboretum in Berwyn, PennsylvaniaDate: 2018-02-18pods in winter
By ILPARW
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Comments:
Posted by ILPARW (southeast Pennsylvania - Zone 6b) on Jul 27, 2018 4:20 PM

I've seen a very few planted in landscapes and in arboretums; it never has been or is going to be a popular landscape plant that many seek out. This large shrub is native to the Southeast from northern Florida, areas of Alabama & Georgia & South Carolina, & North Carolina & Virginia and eastern Tennessee & Kentucky. Some native plant and specialty nurseries offer some. It is fast growing. It is brittle wooded and is best sheltered from strong winds. It spreads by ground suckers to become a colony. Its twigs are velvety with thick bristly hairs. Its bluish-green compound leaves have 7 to 13 leaflets, no good fall colour.

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Discussion Threads about this plant
Thread Title Last Reply Replies
What is this? by christee42 Jun 4, 2018 4:11 PM 15
Looking for ID help by TreeOfLove Aug 19, 2017 6:13 AM 7
Bush ID by AlyssaBlue May 31, 2017 7:39 PM 5
Help identifying tree with shoots like raspberry canes by KKuryllo Feb 21, 2017 10:43 PM 1
Rose Acacia (Robinia hispida) by Shadegardener Jun 2, 2015 5:59 PM 15
Salt tolerant plants by eclayne Feb 8, 2013 9:39 PM 130

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