Geranium macrorrhizum

Geranium macrorrhizum 'Spessart'

Geranium macrorrhizum 'Spessart'

Geranium macrorrhizum

Big-root cranesbill

  • Position: full sun or any type of shade
  • Soil: well-drained soil
  • Flowering period: May to July
  • Height: 20-40cm
  • Foliage: semi-evergreen
  • Hardiness: fully hardy

Geranium macrorrhizum, also known as big-root cranesbill, is a semi-evergreen perennial, bearing saucer-shaped magenta-pink flowers in late spring. It has strong, aromatic, toothed light green leaves.

Geranium macrorrhizum is also an extremely, useful ground cover plant and weed suppressor. All varieties of Geranium macrorrhizum will thrive in full sun or any type of shade, even dry shade.

Varieties

Geranium macrorrhizum ‘Ingwersen’s Variety’

Geranium macrorrhizum ‘Ingwersen’s Variety’ has soft, deeply, divided green leaves and pale-pink flowers. The leaves become tinted bronze and red in autumn. Expect a height of 40cm and a spread of 45cm. Its low height makes it useful for ground cover.

Geranium macrorrhizum ‘Czakor’

This pretty variety produces deep magenta flowers in early summer above light green leaves. The lush foliage turns vivid red in autumn. ‘Czakor’ is suited for growing under shrubs and roses.


Geranium m.’Czakor’                                        Foliage of Geranium macrorrhizim

Geranium macrorrhizum ‘Spessart’

Cooler schemes can be created with Geranium macrorrhizum ‘Spessart’. It has attractive, white flowers with a dark red calyx and green, aromatic foliage. This variety is ideal for the front of the border.

Pruning

When and how to prune Geranium macrorrhizum. The leaves of this geranium are semi-evergreen. Remove any dead and damaged leaves in early spring to make room for new growth.

Propagating Geranium macrorrhizum

All varieties of Geranium macrorrhizum can be easily propagated by division. The rhizomes (underground stems) are close to the surface. See how do you propagate Geranium macrorrhizum.

Plant combination

Geranium macrorrhizum will look good with a range of partners such as Alchemilla mollis, Aquilegias and Mophead Hydrangeas

Alchemilla mollis
Alchemilla mollis

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