Overview

Geranium phaeum 'Raven' is a clump forming 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 phaeum 'Raven' grows best in full shade, full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H7. It is attractive to pollinators and low maintenance. Suggested uses include cottage and informal garden and wildlife gardens.

About

Geranium phaeum 'Raven' is a clump-forming perennial that reaches heights of up to 75 cm. It features lobed, green leaves that are deciduous and produces dark purple flowers measuring 2 to 2.5 cm in diameter. Blooming occurs from late spring into early summer.

About the genus

Geraniums encompass a variety of growth forms, including annuals, biennials, and perennials. These plants can be herbaceous or evergreen and feature rounded leaves that are typically palmately lobed or divided. Their flowers are characterized by a loose arrangement and consist of five petals.

Growing conditions

Best soil and position for Geranium

Sunlight
Full shade, Full sun, Partial shade
Soil type
Chalk, Clay, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained
Aspect
North-facing, South-facing, West-facing, East-facing
Exposure
Exposed, Sheltered
UK hardiness
H7

Plant details

Geranium phaeum 'Raven' size, habit and characteristics

Plant type
Herbaceous Perennial
Habit
Clump forming
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

Care notes

Pruning and caring for Geranium phaeum 'Raven'

Cultivation
Grow in sun or shade in moist but well-drained soil; good in damp shade
Pruning
Cut back flowered stems and old leaves to encourage fresh growth
Propagation
Propagate by division in spring, or by basal softwood cuttings taken in spring and rooted with bottom heat
Pest resistance
May be susceptible to capsid bug, geranium sawfly, vine weevil, slugs and snails
Disease resistance
May be susceptible to a rust, downy mildews, leafy gall, a virus and powdery mildews

Frequently asked questions

How do I grow Geranium phaeum 'Raven'?

Grow in sun or shade in moist but well-drained soil; good in damp shade.

Where is the best place to plant Geranium phaeum 'Raven'?

Geranium phaeum 'Raven' prefers full shade, full sun and partial shade. It suits exposed and sheltered positions.

What soil does Geranium phaeum 'Raven' need?

Geranium phaeum 'Raven' 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.

How do I prune Geranium phaeum 'Raven'?

Cut back flowered stems and old leaves to encourage fresh growth.

How big does Geranium phaeum 'Raven' grow?

Geranium phaeum 'Raven' 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 phaeum 'Raven' hardy in the UK?

Geranium phaeum 'Raven' has a UK hardiness rating of H7.

How do I propagate Geranium phaeum 'Raven'?

Propagate by division in spring, or by basal softwood cuttings taken in spring and rooted with bottom heat.

Is Geranium phaeum 'Raven' good for pollinators?

Yes — Geranium phaeum 'Raven' attracts and supports pollinators such as bees and other beneficial insects.