Geranium macrorrhizum 'Spessart' is a low growing perennial geranium known for its aromatic foliage and vigorous spreading habit. Its rich green leaves emit a minty fragrance when brushed and turn reddish bronze in fall, while soft pink flowers appear in late spring to early summer attracting pollinators. This hardy groundcover is ideal for shaded to partially sunny areas and helps suppress weeds with dense growth.
Height & Spread: 6 - 10 in x 18 - 24 in
Bloom Time: Late spring to early summer
Light Requirements: Partial shade to full sun
Soil Preference: Moist, well drained soil, tolerant of poor conditions
Watering Needs: Low to moderate; drought tolerant once established
Deer Resistance: Unpalatable to deer due to aromatic foliage
Native Status
Geranium macrorrhizum is native to southeastern Europe, including the Balkans. 'Spessart' is a cultivar bred for improved vigor, fragrance, and ornamental appeal for temperate garden landscapes.
WILDLIFE & INSECTS
Butterflies
- Painted Ladies and Eastern Tiger Swallowtails are drawn to the small pink flowers for nectar.
Bees
- Supports honeybees, bumblebees, and native solitary bees seeking nectar in spring and early summer.
Birds
- Dense foliage provides cover for small birds such as sparrows and wrens in garden edges.
Spacing & Landscape Use
Spacing Recommendations:
- Space 12 - 18 in apart to allow for spreading and groundcover establishment.
Landscape Placement:
- Ideal for shaded borders, rock gardens, woodland edges, and under shrubs where low maintenance groundcover is desired.
Companion Plants
- Heuchera 'Palace Purple' - Deep purple leaves complement the green aromatic foliage and pink flowers.
- Tiarella cordifolia (Foamflower) - Low growing groundcover that layers well with Geranium for dense shade planting.
- Ferns (Dryopteris erythrosora) - Adds feathery texture and pairs well in woodland garden compositions.
- Astilbe (False Goats Beard) - Offers airy pink plumes that harmonize with Geranium blooms in partial shade.
- Hosta (Plantain Lily) - Provides large foliage contrast and shade tolerance alongside Geranium macrorrhizum.