Horehound
- Botanical Name
- Marrubium vulgare
- Hardiness
- Zones 4 to 9
- Height
- 18 inches
- Flowers
- Summer: white
- Light
- Full sun
- Soil
- Well-drained
- Planting & Care
- Space plants 12 to 18 inches apart
- Deadhead to prevent self-seeding
- Divide in spring or fall
- Problems
- Can be invasive.
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