Agastache 'Rosie Posie'

Agastache 'Rosie Posie': Compact Colour That Keeps on Blooming

Agastache 'Rosie Posie' is a vibrant powerhouse in a petite package, delivering non-stop colour from midsummer into fall. Dense spikes of fuchsia-pink flowers rise above dark calyxes and sweetly scented foliage, creating a vivid, pollinator-rich display. Its compact, bushy habit makes it ideal for containers, front-of-border placements, and small-space gardens. Naturally deer resistant, drought tolerant, and rich in nectar, 'Rosie Posie' is a modern classic that brings cheerful colour and effortless performance to sunny sites.

Plant Characteristics:

• Height: 45–60 cm
• Spread: 45–60 cm, forming a compact, rounded clump
• Flower Colour: Bright fuchsia-pink blooms with deep rose-purple calyxes
• Flowering Period: Midsummer to early fall
• Foliage: Aromatic green foliage with a sweet anise scent
• Sunlight Requirements: Full sun
• Soil Requirements: Well-drained soil; avoid wet, heavy conditions

Uses and Benefits: 'Rosie Posie' is a compact, colour-drenched perennial perfect for sunny borders, patio planters, and pollinator-focused designs. Its upright habit and bold blooms add brightness without taking up much space. Loved by bees, butterflies, and hummingbirds, it supports biodiversity while thriving in heat and dry soil. With its fine texture, fragrant foliage, and long bloom season, it’s an easy-care solution for high-impact summer colour.

Companion Plants: Pair 'Rosie Posie' with Echinacea 'Magnus' for height and a harmonious colour echo. Add Achillea 'Sassy Summer Lemon' to introduce sunny contrast and shared drought tolerance. Round out the design with Panicum virgatum 'Northwind'—its vertical blades and airy movement complement the upright habit of the Agastache while bringing structural grace to the planting.

Care Instructions: Water regularly during the first growing season. Once established, 'Rosie Posie' is drought tolerant and low maintenance. Deadhead to promote continued bloom. Cut back in late fall or early spring. Avoid excessive fertilization to maintain the naturally compact habit.

History: Bred for commercial performance and garden ease, 'Rosie Posie' combines traits from tough North American Agastache species. Its tidy growth, strong stems, and long bloom window make it a favourite among designers and home gardeners alike. Its reliable nature and vivid colour ensure it earns its place in gardens year after year.

Final Thoughts: Agastache 'Rosie Posie' brings a perfect blend of low-maintenance charm and bold colour to any sunny space. With its compact form, anise-scented foliage, and buzzing blooms, it’s an essential choice for gardens that balance beauty, resilience, and pollinator support.