Geranium robertianum 'Celtic White' (Herb robert (white)) — Bushy

Overview

Geranium robertianum 'Celtic White' is a bushy annual biennial in the genus Geranium, part of the Geraniaceae family, with deciduous foliage. It typically grows around 0.1-0.5 metres tall and 0.1-0.5 metres wide, reaching full size in around 1 year. Geranium robertianum 'Celtic White' grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H4. Suggested uses include borders, groundcover, rock gardens and containers.

About

Geranium robertianum 'Celtic White' is a bushy annual or biennial cultivar of the Geranium genus, growing to between 0.1 and 0.5 metres in height and spread within a year. This deciduous plant thrives in a variety of soil types, including chalk, clay, loam, and sand, and tolerates a range of pH levels from acid to alkaline. It prefers full sun to partial shade and can be grown in both exposed and sheltered locations, facing any direction. 'Celtic White' is notable for its interest during both summer 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: East-facing, North-facing, South-facing, West-facing
Exposure: Exposed, Sheltered
UK hardiness: H4

Plant details

Geranium robertianum 'Celtic White' size, habit and characteristics

Plant type: Annual Biennial
Habit: Bushy
Foliage: Deciduous
Height: 0.1-0.5 metres
Spread: 0.1-0.5 metres
Time to full height: 1 year
Suggested uses: Borders, Groundcover, Rock gardens, Containers

Care notes

Pruning and caring for Geranium robertianum 'Celtic White'

Propagation: Seed, Division, Cuttings
Pest resistance: Generally pest-free
Disease resistance: Generally disease-free

Frequently asked questions

Where is the best place to plant Geranium robertianum 'Celtic White'?

Geranium robertianum 'Celtic White' prefers full sun and partial shade. It suits exposed and sheltered positions.

What soil does Geranium robertianum 'Celtic White' need?

Geranium robertianum 'Celtic White' 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.