Agastache Rosie Posie (Anise Hyssop)

Agastache 'Rosie Posie,' known as Anise Hyssop, is a charming perennial that brings vibrant colour and fragrance to the garden. This compact variety is renowned for its bright magenta-pink flower spikes that bloom continuously from early summer right through to autumn, providing a long-lasting splash of colour that enlivens borders, beds, and containers. The aromatic foliage, with its subtle hint of aniseed, adds an extra sensory layer, making it ideal for planting near pathways or seating areas.

Reaching a height of about 45-60 cm and a similar spread, 'Rosie Posie' has a neat, bushy form, perfect for smaller spaces or adding structure to mixed plantings. A true pollinator favourite, it attracts bees, butterflies, and other beneficial insects throughout its extensive blooming period. Hardy and easy to care for, Agastache 'Rosie Posie' thrives in sunny UK gardens with well-drained soil, bringing a cheerful and enduring touch to any outdoor space.

Botanical name: Agastache 'Rosie Posie'
Common name: Anise Hyssop
Supplied as: Bare root plants
Flower colour: Magenta-pink
Plant size: #1 (bare root)
Blooming period: July to September
Sunlight: Full sun
Established height: 45-60 cm
Established spread: 45-60 cm
Life cycle: Short-lived perennial
Hardiness: Fully hardy
Time to establish: 1-2 years
Plant spacing: 5-7 plants per m²
Ease of growth: Easy to grow
Scented: Yes
Attracts wildlife: Butterflies, bees, birds, and other pollinators
Mouse resistant: Yes
Dispatch period: Early Spring (Mid-March to April)