Horehound
Marrubium incanum
- Native to:
- Albania, Bulgaria, Italy, NW. Balkan Pen., Sardegna, Sicilia
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Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Lamiaceae
- Genus:
- Marrubium
- Species:
- Marrubium incanum
- USDA Symbol:
- MAIN19
Growth Characteristics
- Height:
- 60 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- may,jun,jul,aug
- Bloom Colors:
- white
Garden & Ecology Notes
- Wildlife Value:
- bees
- Deer Resistant:
- Yes
- Fragrant:
- Yes
Soil Requirements
- Soil Type:
- poor, rocky, well-drained soil
- pH:
- 6.0 - 8.0 (neutral to slightly alkaline)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to Mediterranean regions with dry summers
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–28 days
- Notes:
- Seeds germinate readily with light; cold stratification improves germination rates.
The above propagation data sourced from Claude AI
ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months.