Overview
Geranium Rozanne ('Gerwat'PBR) is a spreading branched herbaceous perennial in the genus Geranium, part of the Geraniaceae family, with deciduous foliage. It typically grows around 0.5-1 metres tall and 0.5-1 metres wide, reaching full size in around 2-5 years. Geranium Rozanne ('Gerwat'PBR) grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H5. Suggested uses include cottage and informal garden, wildlife gardens, flower borders and beds, ground cover, underplanting of roses and shrubs and banks and slopes.
About
Geranium Rozanne ('Gerwat'PBR) is a herbaceous perennial cultivar of the Geranium genus, commonly known as cranesbill. It features a spreading branched habit and deciduous foliage, typically growing to a height and spread of 0.5 to 1 metre over 2 to 5 years. This cultivar thrives in full sun or partial shade and is adaptable to various soil types, including chalk, clay, loam, and sand, with a preference for moist but well-drained or well-drained conditions. It is suitable for all garden aspects and exposures, providing interest through the summer, autumn, and winter seasons.
About the genus
Geranium is a genus of 422 species of annual, biennial, and perennial plants that are commonly known as geraniums, hardy geraniums, or cranesbills. They are found throughout the temperate regions of the world and the mountains of the tropics, with the greatest diversity in the eastern part of the Mediterranean region.
Wikipedia contributors, "Geranium", CC BY-SA 4.0 — Geranium
Growing conditions
Best soil and position for Geranium
- Sunlight
- Full sun, Partial shade
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained, Well-drained
- Aspect
- South-facing, North-facing, West-facing, East-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H5
Plant details
Geranium Rozanne ('Gerwat'PBR) size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Spreading branched
- Foliage
- Deciduous
- Height
- 0.5-1 metres
- Spread
- 0.5-1 metres
- Time to full height
- 2-5 years
- Suggested uses
- Cottage and informal garden, Wildlife gardens, Flower borders and beds, Ground cover, Underplanting of roses and shrubs, Banks and slopes
Care notes
Pruning and caring for Geranium Rozanne ('Gerwat'PBR)
- Propagation
- Division, Basal cuttings, Seed
- Pest resistance
- Vine weevil, Sawflies, Slugs, Snails, Capsid bug, Geranium sawfly, Glasshouse leafhopper, Root mealybugs, Aphids, Caterpillars, Thrips, Fungus gnats, Glasshouse whitefly
- Disease resistance
- Powdery mildews, Downy mildews, Virus diseases, Pelargonium rust, Grey moulds, Black leg
Frequently asked questions
Where is the best place to plant Geranium Rozanne ('Gerwat'PBR)?
Geranium Rozanne ('Gerwat'PBR) prefers full sun and partial shade. It suits exposed and sheltered positions.
What soil does Geranium Rozanne ('Gerwat'PBR) need?
Geranium Rozanne ('Gerwat'PBR) 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.
How big does Geranium Rozanne ('Gerwat'PBR) grow?
Geranium Rozanne ('Gerwat'PBR) reaches a height of 0.5-1 metres and a spread of 0.5-1 metres. It takes around 2-5 years to reach full size.
Is Geranium Rozanne ('Gerwat'PBR) hardy in the UK?
Geranium Rozanne ('Gerwat'PBR) has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.
How do I propagate Geranium Rozanne ('Gerwat'PBR)?
Division, Basal cuttings, Seed.
More in the Geranium genus
- Geranium 'Blue Cloud'

- Geranium 'Brookside'Geranium

- Geranium 'Claridge Druce'Crane's Bill

- Geranium 'Johnson's Blue'Johnson's Blue Cranesbill

- Geranium 'Nimbus'Geranium
- Geranium 'Orion'

- Geranium 'Patricia'

- Geranium 'Purple Rain'cranesbill 'Purple Rain'
