AGASTACHE BLACK ADDER
Agastache Black Adder also known as Giant Hyssop is one of the hardiest in terms of its reliability as a perennial. This plant looks stunning planted among grasses and is equally as home in the cottage garden, gravel garden and in Mediterranean planting schemes.
The blue black flowers formed in dense spikes sit above fragrant foliage and darken towards September. Don’t dead head as they will create interest in the garden when it is most needed; the winter.
Plant in well drained soil (essential) and in full sun. Reaches an approx maximum height of 36 inches (90cm) and spreads approx 18 inches (45cm). Needs to be placed in a sheltered position.
Hardy Perennial Plants grown outdoors that can be planted out in the garden at any time (avoid days when the ground is frozen though). Each plant is individually checked by me personally and sent guaranteed to arrive with you in perfect conditions. You are dealing with a small business where quality is considered to be of the highest importance.
Important information about this plant:
- Aspect: South-facing, West-facing,
- Plant Habit: Bushy, Upright and Flowering
- Foliage: Deciduous
- Common Name: Giant Hyssop
- Species: Lamiaceae
- Sunlight: Full Sun
- Season of Interest: Summer through to Autumn
- Soil Type: Sand, Chalk, Loam,
- Hardiness Rating (RHS): H4 (-10 to -5°c.)
- Grown in: United Kingdom