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Geranium sanguineum
Hardy geranium species
At‑a‑glance
- Group/Class: Hardy geranium species
- Height × spread: 9 to 18 in × 12 to 18 in (23 to 45 cm × 30 to 45 cm)
- Bloom window: May to June; sporadic rebloom in summer
- Color & flower form: Five‑petaled magenta to pink, saucer‑shaped flowers
- Fragrance: 1 trace
- USDA hardiness: Zones 3 to 9
- Breeder / Year / Origin: Species; unknown; Europe and western Asia
- Pet safety: unknown
How it differs
- Earlier, spring‑focused bloom compared with many bedding geraniums.
• Lower, tighter mound than most tender pelargoniums.
• Greater cold tolerance than typical annual geraniums.
• Leaves often show good fall color.
Strengths
- Noted for better tolerance of both heat and cold than many hardy geraniums.
• Low maintenance and adaptable in average, well‑drained soils.
• Tolerates rabbit and deer pressure.
• Good fall foliage color.
Care in one minute
Plant in full sun to part shade with average, well‑drained soil.
• Water during dry periods in the first season; established plants tolerate some drought.
• Shear lightly after bloom to tidy and encourage light rebloom.
• Feed sparingly.
• Divide clumps as needed to maintain vigor.
Watch‑outs
- Can self‑seed lightly in ideal conditions if not deadheaded.
• Leaf spots and rusts may occur; provide airflow and avoid overhead watering.
• Flowering is brief in hotter climates without cooler nights.
Best uses (tags)
Provenance note
A hardy species native to Europe and northern Turkey; widely grown for dependable spring color and durable foliage.
References
- Missouri Botanical Garden – Geranium sanguineum
- NC State Extension – Geranium sanguineum
- Royal Horticultural Society – General hardiness rating context for hardy geraniums
- ASPCA – Pelargonium toxicity reference for comparison
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