Hardy Geranium 'Kashmir White' (Geranium clarkei): Elegant Cranesbill for Shade

Overview

Geranium clarkei 'Kashmir White' is a refined, clump-forming perennial prized for its large, pure-white flowers veined with delicate lilac-pink. Selected from a species native to the Himalayas, this cultivar brings airy elegance to shaded borders and woodland gardens from late spring into early summer.

Botanical Description

The plant forms a mound of deeply lobed, mid-green basal leaves 30–45 cm tall and wide. In late spring, branching stems rise to 60 cm, bearing 3–4 cm wide, five-petaled flowers with prominent pink veins radiating from a pale center. Blooming continues for 4–6 weeks. Foliage remains attractive through summer and often develops reddish tints in autumn.

Taxonomy

Family:	Geraniaceae (jer-ay-nee-AY-see-ee)
Genus:	Geranium (jer-AY-nee-um)
Species:	clarkei (KLAR-kee-eye)
Cultivar:	'Kashmir White'

Growing Conditions

• Light: Part shade to full shade; tolerates morning sun in cool climates.
• Soil: Moist, humus-rich, well-drained; adapts to average garden soil.
• Moisture: Consistent moisture preferred; drought-tolerant once established.
• Hardiness: USDA zones 4–8.

Garden Uses

'Kashmir White' shines in woodland edges, under deciduous trees, or in north-facing borders. Pair with ferns, hostas, hakonechloa, and spring bulbs. The white flowers illuminate shady corners and blend effortlessly with pastel-colored companions. Cut back spent flower stems to encourage fresh foliage.

Maintenance

Low maintenance. Divide clumps every 3–4 years in early spring or autumn to maintain vigor. Remove old foliage in late winter. Generally pest-free; may occasionally suffer from powdery mildew in humid conditions with poor air circulation.