Knotted crane's-bill (Geranium nodosum)

Knotted crane's-bill

Knotted crane's-bill (Geranium nodosum) is a European native found on forest margins in the Alps, Jura Mountains, and Pyranees. It is adaptable to a range of habitats including dry shade, so is useful for planting under trees and shrubs. It is a pretty space-filler in borders and an effective groundcover on banks.

Scientific classification

Species

Knotted crane's-bill (Geranium nodosum)

Geraniums, bridal wreaths, and allies

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Perennial

Lifespan

Herb

Plant Type

Spring, Summer, Fall

Bloom Time

20 cm to 50 cm

Plant Height

10 cm to 50 cm

Spread

Green, Pink

Stem Color

Deciduous

Leaf type

5 - 32 ℃

Ideal Temperature

Images of Knotted crane's-bill

Distribution of Knotted crane's-bill

Distribution Map

Knotted crane's-bill originates from the woodlands of southern and central parts of Europe, thriving in the temperate zones. Beyond its native habitat, knotted crane's-bill has been introduced and acclimatized to northern European regions, hinting at a versatile adaptability. Its cultivation extends its presence, enabling knotted crane's-bill to grace gardens in similar climates globally.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Margins of deciduous forest among oak, beech and chestnut

Toxicity

Knotted crane's-bill possesses mild toxicity to humans, cats, and dogs due to geraniol in the entire plant. Ingestion can cause gastrointestinal issues such as nausea, vomiting, and diarrhea. Humans might also experience dermatitis or skin irritation. Prompt veterinary care is essential if pets ingest knotted crane's-bill.

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Care Guide for Knotted crane's-bill

Every week

Water

Partial sun

Sunlight

5 - 32 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Knotted crane's-bill originates from European woodlands, thriving in moist, well-drained soil with consistent moisture. It has moderate drought tolerance and requires weekly watering. As an herbaceous perennial, knotted crane's-bill is sensitive to water, needing careful irrigation for optimal foliage and flowering.

Fertilize: Knotted crane's-bill requires balanced nutrition fertilizer monthly during growth and high phosphorus every 6-8 weeks pre-bloom. Use liquid formulations on moist soil, adjusting quantity for potted plants. Avoid fertilization in dormancy, and tailor applications to plant size and seasonal conditions.

Pruning: Knotted crane's-bill is a perennial with lobed leaves and purple flowers. Prune early to mid-spring to promote healthy growth, removing dead stems and shaping as necessary. Regular light trimming enhances flowering and prevents leggy growth. Avoid heavy pruning in late summer or fall to maintain blooms.

Propagation: Knotted crane's-bill propagates best through stem cuttings of healthy, non-flowering stems with leaves in well-draining soil. Indirect sunlight and consistent moisture promote root growth. Sterilize tools, use rooting hormone, and acclimate established roots to normal conditions for a successful transplant.

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