Overview
Robinia 'Anna Irena' is a columnar upright trees in the genus Robinia, part of the Fabaceae family, with deciduous foliage. Robinia 'Anna Irena' grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H6. Suggested uses include wildlife gardens, architectural and low maintenance.
About
Robinia 'Anna Irena' is a columnar upright cultivar of the Robinia genus, which comprises robust trees and shrubs known for their pinnate foliage and racemes of pea-like flowers in early summer. This deciduous plant thrives in full sun and prefers sheltered positions with fertile, well-drained soil, tolerating a range of soil types and pH levels. Hardy to UK zone H6, it is suitable for wildlife gardens and architectural planting, offering seasonal interest in spring and summer. Propagation can be achieved through seed, root cuttings, or suckers.
Growing conditions
Best soil and position for Robinia
- Sunlight
- Full sun
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained, Well-drained
- Aspect
- North-facing, West-facing, South-facing, East-facing
- Exposure
- Sheltered
- UK hardiness
- H6
Plant details
Robinia 'Anna Irena' size, habit and characteristics
- Plant type
- Trees
- Habit
- Columnar upright
- Foliage
- Deciduous
- Suggested uses
- Wildlife gardens, Architectural, Low Maintenance
Care notes
Pruning and caring for Robinia 'Anna Irena'
- Propagation
- Seed, Root cuttings, Suckers
- Pest resistance
- Generally pest-free
- Disease resistance
- May be susceptible to honey fungus
Frequently asked questions
Where is the best place to plant Robinia 'Anna Irena'?
Robinia 'Anna Irena' prefers full sun. It suits sheltered positions.
What soil does Robinia 'Anna Irena' need?
Robinia 'Anna Irena' is adaptable and grows happily in most soil types, including chalk, clay, loam and sand. It is happy in soil of any pH. Aim for soil that stays moist but well-drained to well-drained.
Is Robinia 'Anna Irena' hardy in the UK?
Robinia 'Anna Irena' has an RHS hardiness rating of H6, meaning it is very hardy, tolerating -20 to -15°C across most of the UK.
How do I propagate Robinia 'Anna Irena'?
Seed, Root cuttings, Suckers.
More in the Robinia genus
- Robinia pseudoacacia 'Aurea'
- Robinia hispida var. rosea
- Robinia pseudoacacia var. rectissima
- Robinia x slavinii