How to Grow Bloody Geranium
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Bloody Geranium
Geranium sanguineum
flowerGeranium sanguineum is a hardy perennial ground cover known for its magenta-pink flowers and deeply lobed, finely textured foliage that turns reddish in fall. It forms low, spreading mounds and is excellent for borders, rock gardens, and as a ground cover. This plant is drought-tolerant once established and attracts pollinators throughout the growing season.
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Example Bloody Geranium timeline · Pittsburgh, PA (Zone 6b)
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Plant Bloody Geranium
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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First Bloody Geranium blooms
Mid-to-late summerBefore the first fall frost (≈ Nov 8)
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Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 3-9, with best performance in cooler climates (zones 3-7)
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Get my Bloody Geranium timeline →Growth Stages
Seedling
3-4 weeksSmall plants with 2-3 sets of true leaves; tender and requires protection
Keep soil consistently moist but not waterlogged. Provide bright indirect light. Thin seedlings to prevent damping off.
Establishment
4-8 weeksYoung plants developing deeper root systems and branching structure
Gradually increase watering intervals. Begin fertilizing with balanced, low-nitrogen fertilizer. Pinch stem tips to encourage bushiness.
Vegetative Growth
Spring through early summer (8-12 weeks)Plant fills in with lobed foliage; foliage mounding to 12-18 inches tall
Water moderately. Apply mulch around base to retain moisture and regulate soil temperature. Remove any dead or diseased foliage.
Flowering
Late May through July (8-10 weeks)Produces abundant magenta-pink flowers with darker veining; flowers are 1-1.5 inches across
Deadhead spent flowers to encourage continuous blooming. Reduce fertilizer to avoid excessive leafy growth. Maintain consistent moisture.
Senescence & Rest
August through MarchFlowers fade; foliage may develop reddish tones and gradually dies back in late fall
Cut back dead foliage in late fall or early spring. Reduce watering significantly. Mulch heavily in colder zones for winter protection. No fertilizer needed.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Remove by hand or spray with insecticidal soap. Encourage beneficial insects.
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Increase humidity, spray with water, or use miticide if severe. Ensure good air circulation.
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Hand-pick larvae from leaf undersides. Spray with neem oil or insecticidal soap in early morning.
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and
Remove debris where they hide. Use slug traps, diatomaceous earth, or copper barriers.
Uses
Ground cover and landscape accent
OrnamentalGeranium sanguineum is an excellent low-growing ground cover for borders, rock gardens, and alpine troughs. Its dense mounding habit and vibrant summer flowers make it a reliable landscape choice that requires minimal maintenance once established. [source]
Pollinator attraction
WildlifeThe abundant magenta-pink flowers attract bees, butterflies, and other pollinators throughout the blooming season. This makes it an excellent choice for wildlife gardens and pollinator-supporting landscapes. [source]
Traditional herbal use
MedicinalGeranium sanguineum has been used in traditional herbal medicine for its astringent and anti-inflammatory properties, often prepared as an infusion or tincture for digestive and wound-healing applications. [source]
Cut flower arranging
HouseholdThe delicate flowers and attractive foliage work well in fresh floral arrangements and add texture to small bouquets, though flowers are short-lived once cut. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Geranium sanguineum is ornamental and not harvested for food. Deadhead spent flowers regularly from late May through July to extend blooming season. Cut back foliage to ground level in late fall (zones 3-6) or early spring. Collect seeds after flowers fade if you wish to propagate; allow seedheads to dry on the plant.
Fun Facts
- 🌱 The species name 'sanguineum' means 'blood-red,' referring to the vibrant magenta coloring of its flowers and the reddish hues that develop in the foliage during autumn.
- 🌱 Hardy geraniums (Geranium genus) are completely different from the tender 'geraniums' (Pelargonium species) commonly grown as houseplants, despite the common name confusion.
- 🌱 Geranium sanguineum is native to central and southern Europe and has been cultivated in gardens since the 1600s, making it a time-tested, reliable perennial for temperate climates.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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