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Key characteristics

Family: Geraniaceae
Height: 12 to 16 inches
Width: 12 to 20 inches
Flower color: Dark purple-blue with prominent darker veining
Foliage color: Dark green, palmate leaves; turns red in autumn
Bloom time: June to July
Light: Full sun to partial shade
Water: Moderate
Maintenance: Low; cut back after flowering to encourage new growth
Growing zone: USDA zones 4 to 8
Wildlife: Attracts bees and other pollinators

Groundcovers

Geranium x magnificum 'Blue Blood'

Blue Blood Cransebill

Geranium x magnificum 'Blue Blood' is a hardy perennial hybrid celebrated for its rich, deep blue-violet flowers, which bloom profusely in early to mid-summer. The blooms, marked by fine darker veining, create a vivid display that complements its lush, deeply lobed foliage. As the season progresses, the leaves may take on warm reddish tones, adding visual interest into autumn.

A product of selective breeding, this cultivar combines the robust growth habit and vibrant floral display of its parent species.

Light

Full sun to partial shade

Water

Moderate

Bloom time

June to July

Find this plant

Works well in

Cottage Gardens
Borders
Pathways & Walkways
Pollinator Gardens

Companion plants

Catmint · Mountain laurel · Daylilies · Beebalm · Lavender · Skimmia

Design tip

Repeat broad groupings through mixed borders to establish rhythm while allowing the rich flower color to anchor the planting. Surround with upright accents and contrasting foliage to create layered compositions that remain visually balanced from summer blooms into autumn foliage.

Printable plant sheet (PDF)