Geranium nodosum or Knotted Cranesbill is part of the Geraniaceae family of plants. It is a herbaceous perennial. It is a rhizomatous geophyte. It spreads through rhizomes. Geranium nodosum is native to Southern Europe. It grows to 30cm or 1ft tall. The stems are upright and hairy.
Geranium nodosum has three-lobed leaves that are glossy and medium green. The top of the leaf is darker and glossy whereas the back of it is light and hairy. They are palmate-shaped.
The flowers are light pink. Geranium nodosum flowers from late spring through early autumn. The flowers are dark-veined and grow in clusters. They are about 2.5cm or 1in width.
How to grow Geranium nodosum:
Grow Geranium nodosum in the sun, partial shade, or full shade. Sun and partial shade will give you better results. Plant it in moderately fertile and well-drained soil. Propagate by division or basal cuttings. Cut back flower stems to encourage new growth. Watch out for vine weevil, slugs, snails, powdery mildew, or downy mildew.