Santolina rosmarinifolia (Green lavender cotton) — abundant, button-like, bright sulphur-yellow flower heads over dense, rosemary-like emerald-green foliage, blooming mid-to-late summer. A good pick for pollinators, fully hardy, evergreen.
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🌿 Grown at our London nursery — collect in person or arrange local delivery
📦 Dispatched within 3 business days via Royal Mail
Product features
Botanical name: Santolina rosmarinifolia (syn. Santolina viridis)
Common name: Green lavender cotton, olive herb
Height: 40cm – 60cm
Spread: 60cm – 75cm
Foliage: Dense, needle-like, bright emerald-green, olive-scented
Flower: Button-like bright sulphur-yellow flower heads, mid-to-late summer
Attractive to wildlife: Yes — bees, butterflies
Soil Type: Poor to moderately fertile, sharp drainage
Drought tolerant: Yes, exceptionally resistant once established
Hardy: Yes, fully hardy (RHS H5)
Position: Full sun
Evergreen: Yes
Suitable for: Mediterranean gardens, gravel gardens, low hedging, rockeries
Materials and care
Light: Full sun — needed for dense, compact shape
Aspect: South- or west-facing, hot, sunny, exposed locations
Soil type: Poor, sandy, gravelly, or chalky
Drainage: Sharply well-drained vital — rots in wet winter
Watering: Extremely low needs
Deadheading: Cut off faded flower heads in late summer
Propagation: Semi-ripe cuttings with a heel in summer, or layer branches
