Pollinator plant

Hybrid black locust

Robinia fertilis

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Common names

3 names · 2 languages
EnglishYour language
  • Bristly Locust[1]
  • Hybrid black locust
Other languages (1)
Dutch
  • Robinia
Sources & name notes (1)

Names recorded in our plant catalogue and botanical sources, grouped by language. Usage can vary by region.

Catalogue language labels are reviewed separately from botanical source records.

Numbered references identify names recorded by an external source. Other names are from our plant catalogue.

[1] Robinia hispida — Plant Toolbox common names ↗

NC State Extension Gardener Plant Toolbox; English common names in a United States horticultural reference.

Source records
  • Bristly Locust — ul#common_names > li:nth-of-type(1); heading: Common Name(s):; Robinia hispida.
Plant references

Source-backed information

Published observations for this plant. Each reference supports the information beside it.

Taxonomy
Catalogue of Life treats Robinia fertilis as a synonym of Robinia hispida.

Taxonomic treatment in the August 2026 release; the catalogue record name is preserved.

Sources [1] [2]
Botanical family
Fabaceae

Family in the cited taxonomic treatment.

Sources [2]
Mature height
0.61–3.05 m

NC State Extension profile, published as Robinia hispida; accepted-name linkage follows Catalogue of Life. Converted from the source range in feet and inches; mature size varies with growing conditions.

Sources [3]
Mature spread
1.52–4.57 m

NC State Extension profile, published as Robinia hispida; accepted-name linkage follows Catalogue of Life. Converted from the source range in feet and inches; mature size varies with growing conditions.

Sources [3]
Plant habit
Multi-stemmed; Rounded; Spreading

NC State Extension profile, published as Robinia hispida; accepted-name linkage follows Catalogue of Life.

Sources [3]
Life cycle
Perennial

NC State Extension profile, published as Robinia hispida; accepted-name linkage follows Catalogue of Life.

Sources [3]
Growth rate
Rapid

NC State Extension profile, published as Robinia hispida; accepted-name linkage follows Catalogue of Life.

Sources [3]
Foliage
Deciduous

NC State Extension profile, published as Robinia hispida; accepted-name linkage follows Catalogue of Life.

Sources [3]
Light
Full sun (6 or more hours of direct sunlight a day)

NC State Extension profile, published as Robinia hispida; accepted-name linkage follows Catalogue of Life.

Sources [3]
Moisture and drainage
Good Drainage; Moist; Occasionally Dry

NC State Extension profile, published as Robinia hispida; accepted-name linkage follows Catalogue of Life.

Sources [3]
Soil texture
Clay; High Organic Matter; Loam (Silt); Sand; Shallow Rocky

NC State Extension profile, published as Robinia hispida; accepted-name linkage follows Catalogue of Life.

Sources [3]
Flowering season
Spring; Summer

NC State Extension profile, published as Robinia hispida; accepted-name linkage follows Catalogue of Life. Seasons reflect the source region and do not verify the catalogue’s exact flowering months.

Sources [3]
Native range
SE. U.S.A.

Explicit native locality records in Kew WCVP v16; introduced and doubtful distributions excluded. Continent conversion follows the documented geographic mapping.

Sources [4]
Catalogue ratings

Who this plant supports

Honey bees

Medium suitability
Nectar value Medium
Pollen value Medium
Plant profile

About this plant

Hybrid black locust (Robinia fertilis) is a tree. Its flowering period is not specified.

Sources and references

References for the information marked with source numbers on this page.

Sources checked
  1. Catalogue of Life Robinia fertilis — Catalogue of Life COL26.8

    COL26.8 (2026-08-20). Contributing checklist: The World Checklist of Vascular Plants (WCVP): Fabaceae. This is taxonomic evidence, not an independent ecological study.

    Supports: Taxonomy
    Relevant sections
    • Taxonomy: NameUsage.tsv line 1152260; ID 4T7XJ; rank species; status synonym

    Source checked on .

    Source data licence: CC BY 4.0.

  2. Catalogue of Life Robinia hispida — Catalogue of Life COL26.8

    COL26.8 (2026-08-20). Contributing checklist: The World Checklist of Vascular Plants (WCVP): Fabaceae. This is taxonomic evidence, not an independent ecological study.

    Supports: TaxonomyBotanical family
    Relevant sections
    • Taxonomy: NameUsage.tsv line 1152270; ID 4T7XZ; rank species; status accepted
    • Botanical family: NameUsage.tsv line 1152270; ID 4T7XZ; rank species; status accepted

    Source checked on .

    Source data licence: CC BY 4.0.

  3. NC State Extension Robinia hispida — Plant Toolbox

    NC State Extension Gardener Plant Toolbox. Growing conditions and seasons reflect its United States horticultural context.

    Supports: Mature heightMature spreadPlant habitLife cycleGrowth rateFoliageLightMoisture and drainageSoil textureFlowering season
    Relevant sections
    • Mature height: Dimensions / Height
    • Mature spread: Dimensions / Width
    • Plant habit: Habit/Form
    • Life cycle: Life Cycle
    • Growth rate: Growth Rate
    • Foliage: Woody Plant Leaf Characteristics
    • Light: Light
    • Moisture and drainage: Soil Drainage
    • Soil texture: Soil Texture
    • Flowering season: Flower Bloom Time

    Source checked on .

  4. Royal Botanic Gardens, Kew Robinia hispida — Kew WCVP native distribution

    Native distribution and taxonomic treatment from the official WCVP v16 export (4 June 2026). The link opens the corresponding POWO taxon. Source rows are retained in the native-range audit archive.

    Supports: Native range
    Relevant sections
    • Native range: WCVP v16; wcvp_names.csv lines 157328, 157366; wcvp_distribution.csv native locality lines 873181, 873185, 873190, 873191, 873192, 873193

    Source checked on .

    Source data licence: CC BY 3.0.