10+
White horehound is a hardy, herbaceous perennial known for its bushy growth and textured, gray-green foliage. It forms compact clumps of upright stems and produces small, clustered flowers during the growing season. This plant grows well in temperate to warm climates and performs best in full sun with well-drained soil. White horehound adapts to garden beds, borders, and container planting, establishing steadily and maintaining consistent seasonal growth.
Features
- Bushy perennial with textured, gray-green foliage
- Forms compact clumps with upright stems
- Produces small clustered flowers during the season
- Suitable for warm and temperate climates
- Adaptable to garden beds, borders, and containers
Specifications
- Scientific name: Marrubium vulgare
- Common name (US): Horehound
- Seed type / variety: White horehound
- Growth habit: Bushy, clump-forming perennial
- USDA zones: 4–9
- Planting season: Spring
- Growing season: Spring to summer
- Sowing Season: February to April
- Germination time and conditions: 10–20 days at 18–22°C
- Sunlight requirements: Full sun
- Soil requirements: Well-drained, moderately fertile to sandy soil
- Watering needs: Low to moderate, drought-tolerant once established
- Mature plant size: 30–60 cm height, 30–45 cm spread
- Plant spacing: 25–30 cm between plants
