Marrubium rotundifolium
Marrubium rotundifolium, commonly known as Horehound, is a perennial ornamental plant that thrives in full sun with low water needs. It typically grows to a height of 0.3–0.8 meters and blooms with white flowers from June to September. This plant prefers sandy, loamy, or chalky soils and is known for being fragrant and attracting pollinators.
Light
Full sun
Watering
Low water
Soil
Sandy, Loamy, Chalky
Height
0.3–0.8 m
Spread
0.3–0.6 m
Zones
4–8
Flower colors
This plant is well-suited for USDA zones 4–8. Ensure it receives full sun exposure and is planted in well-draining soil that can be sandy, loamy, or chalky. Water requirements are low, making it drought-tolerant once established. Pruning can be done after flowering to maintain shape. Its fragrant nature and pollinator-friendly characteristics make it a valuable addition to gardens.