Idaho Locust Robinia x ambigua 'Idahoensis'
- Phonetic Spelling
- roh-BIN-ee-uh am-big-yoo-uh
- This plant has low severity poison characteristics.
- See below
- Description
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A flowering tree in the pea family. Propagate by hardwood cuttings or sow seeds in the fall.
Insects, Diseases, and Other Plant Problems: Susceptible to aphids. Fusarium, armillaria, and root rot can also be problems.
- See this plant in the following landscape:
- Cultivars / Varieties:
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- Tags:
- Cultivars / Varieties:
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- Tags:
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Attributes:
- Genus:
- Robinia
- Family:
- Fabaceae
- Recommended Propagation Strategy:
- Seed
- Stem Cutting
- Wildlife Value:
- Attractive to bees, butterflies and birds.
- Play Value:
- Fragrance
- Dimensions:
- Height: 20 ft. 0 in. - 30 ft. 0 in.
- Width: 20 ft. 0 in. - 30 ft. 0 in.
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Whole Plant Traits:
- Plant Type:
- Tree
- Woody Plant Leaf Characteristics:
- Deciduous
- Habit/Form:
- Erect
- Open
- Oval
- Spreading
- Growth Rate:
- Medium
- Maintenance:
- High
- Texture:
- Medium
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Cultural Conditions:
- Light:
- Full sun (6 or more hours of direct sunlight a day)
- Partial Shade (Direct sunlight only part of the day, 2-6 hours)
- Soil pH:
- Acid (<6.0)
- Alkaline (>8.0)
- Neutral (6.0-8.0)
- Soil Drainage:
- Good Drainage
- Moist
- Occasionally Dry
- Very Dry
- Available Space To Plant:
- 12-24 feet
- 24-60 feet
- NC Region:
- Coastal
- Mountains
- Piedmont
- USDA Plant Hardiness Zone:
- 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b
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Fruit:
- Fruit Color:
- Brown/Copper
- Display/Harvest Time:
- Fall
- Fruit Type:
- Legume
- Fruit Description:
- Seed is in the shape of a pod
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Flowers:
- Flower Color:
- Pink
- Flower Value To Gardener:
- Fragrant
- Showy
- Flower Bloom Time:
- Spring
- Summer
- Flower Description:
- Rose mauve pea-like flowers. Showy, flowers in spring or summer. Perfect flowers (both female and male parts in the same flower).
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Leaves:
- Woody Plant Leaf Characteristics:
- Deciduous
- Deciduous Leaf Fall Color:
- Gold/Yellow
- Hairs Present:
- No
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Bark:
- Bark Color:
- Dark Brown
- Light Brown
- Surface/Attachment:
- Furrowed
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Stem:
- Stem Is Aromatic:
- No
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Landscape:
- Landscape Location:
- Recreational Play Area
- Landscape Theme:
- Butterfly Garden
- Children's Garden
- Drought Tolerant Garden
- Pollinator Garden
- Design Feature:
- Screen/Privacy
- Attracts:
- Bees
- Butterflies
- Songbirds
- Resistance To Challenges:
- Drought
- Problems:
- Messy
- Problem for Cats
- Problem for Dogs
- Problem for Horses
