Hierochloe odorata - Sweetgrass
🌿 Characteristics
Type: Herbaceous aromatic perennial
Common name: Sweetgrass, Holy Grass
Scientific name: Hierochloe odorata
Foliage color: Light green to golden, fine and linear, emitting a vanilla scent
Flower color: Golden-brown, in small discreet panicles
Mature height: 0.30–0.50 m
Mature width: 0.30–0.45 m
Habit: Upright, airy, forming loose clumps
Flowering period: May to June
Exposure: Full sun to partial shade
Watering needs: Moderate, prefers moist soil
Soil type: Well-drained, fertile, slightly moist
Hardiness zone: Zone 3 to 8
Drought tolerance: Moderate
Nectar-producing plant: No
Attracts pollinators: Yes, especially insects
Toxicity to animals: Non-toxic
✂️ Care
Plant in full sun to partial shade in fertile, slightly moist soil. Water regularly at planting to encourage root establishment, then maintain consistent moisture. Lightly prune in spring to maintain a compact shape and encourage vigorous growth.
This hardy perennial thrives with minimal maintenance and requires no winter protection. Prized for its aromatic foliage with a characteristic vanilla scent, it is ideal for herb gardens, borders, and spaces where its sweet fragrance can be enjoyed. Traditionally used in weaving and dry floral arrangements.

