Articles

Rain Garden Plants: Wild Geranium

An informative guide with details and pictures of wild geranium (Geranium maculatum).
Updated:
July 9, 2026

Pink-purple flowers are each 1 to 1.5 inches wide with five petals. Petals may have dark, fine lines along length. Grows in clumps 18 to 24 inches tall and 2 feet wide. Leaves are semi-evergreen and have five lobes. Leaf margins have coarse teeth. Underside of leaves have coarse, white hairs. Bees and flies are common pollinators. Ants and beetles also visit flowers.

  • Height: 8 to 18 inches
  • Bloom color: Pink
  • Bloom time: April to May
  • Hardiness zone: 3 to 9
  • Salt tolerance: Low
  • Spreading habit: Creeping rhizomes; colonizing ground cover; will produce underground stems that spread out horizontally and shallowly, produce roots, and then send up new shoots; also catapults seeds 10 to 30 feet from parent plant
Close-up of pink to purple flowers.
Flowers. Photo by Jodi Sulpizio, Penn State Extension

Site Conditions

  • Sun: Sun/partial shade
  • Soil: Tolerates alkaline and dry soil; humus-rich
  • Hydrologic zones: Moist/dry
Wild geranium leaves
Leaves. Photo by Jodi Sulpizio, Penn State Extension
Wild geranium leaves
Leaves. Photo by Jodi Sulpizio, Penn State Extension
Wild geranium flowers and leaves
Flowers and leaves. Photo by Jodi Sulpizio, Penn State Extension

Sources

Jull, L. G. “Winter Salt Injury and Salt-Tolerant Landscape Plants.” Madison: University of Wisconsin Extension, 2009.

The Morton Arboretum

Prepared by Jessica Chou, Jodi Sulpizio, and Constance Schmotzer. Finalized by Jodi Sulpizio.

For a printable PDF version of this article, contact Jodi Sulpizio at jrb143@psu.edu.