25 Subcaulescens Geranium Seeds - Hardy Rock Garden Cranesbill with Purple Blooms

Geranium subcaulescens, commonly known as the subcaulescens geranium or hardy cranesbill, is a low-growing perennial prized for its vivid magenta-purple flowers and finely textured foliage. This charming rock garden plant forms neat mounds of rounded, deeply lobed green leaves that turn attractive shades in autumn. In late spring and early summer, it produces a profusion of saucer-shaped blooms that rise above the foliage, creating a striking display in borders, rock gardens, and as ground cover.

Its compact, spreading habit makes it an excellent choice for edging paths, cascading over walls, or filling gaps between stones. The nectar-rich flowers also attract bees and other pollinators, adding ecological value to the garden. Whether used as a front-of-border accent or a ground-hugging carpet, this hardy cranesbill offers reliable beauty with minimal maintenance.

Plant Features

• Vivid magenta-purple flowers with darker veining
• Low-growing, mounding habit ideal for rock gardens and borders
• Finely cut, semi-evergreen foliage that provides texture and color
• Attracts bees and other beneficial pollinators
• Drought tolerant once established

Growing Information

• Botanical Name: Geranium subcaulescens
• Plant Type: Herbaceous perennial
• Sunlight: Full sun to partial shade
• Soil: Well-drained, moderately fertile soil
• Water Requirements: Low to medium; allow soil to dry slightly between waterings
• Growth Habit: Low mounding, spreading
• USDA Hardiness Zones: 5-8
• Bloom Season: Late spring to early summer
• Mature Height: 6-12 inches
• Spacing: 12-18 inches apart

Planting & Care

Sow seeds indoors in late winter or early spring. Surface sow or lightly cover with a thin layer of soil, as light aids germination. Maintain a temperature of 65-70°F (18-21°C) and keep the medium consistently moist but not waterlogged. Germination typically occurs in 14-30 days. Once seedlings have several true leaves, transplant into individual pots and harden off before moving outdoors after the last frost.

Plant in a sunny to partially shaded spot with well-drained soil. Water regularly during the first growing season to establish a deep root system. Once established, Geranium subcaulescens is drought tolerant and requires little care. Deadhead spent flowers to encourage additional blooms and trim back foliage in late winter to promote fresh growth. Divide clumps every few years to maintain vigor.

What's Included

25 Subcaulescens Geranium seeds.