A favourite among pollinators and gardeners alike, Nepeta ‘Six Hills Giant’ is a vigorous, long-flowering perennial that produces masses of soft lavender-blue flowers from late spring to autumn. Its aromatic grey-green foliage creates a soft, informal look that’s perfect for borders, gravel gardens, and cottage-style planting. Drought-tolerant and low-maintenance, it pairs beautifully with roses, salvias, and ornamental grasses for an effortless, naturalistic display.

Plants supplied in a grower’s pot, decorative pot not included.

Key Features & Care:

• Mature Height: 75-90cm


• Mature Spread: 90-100cm


• Flower Colour: Lavender-blue


• Flowering Period: Late spring to early autumn


• Foliage: Deciduous


• Fragrant: Yes, aromatic leaves and flowers


• Growth Rate: Fast-growing


• Hardiness: Hardy in most UK gardens, drought-tolerant once established


• Position: Full sun


• Soil Moisture: Well-drained, prefers dry conditions


• Soil pH: Neutral to alkaline


• Soil Type: Loam, chalk, sand


• Wildlife Friendly: Attracts bees, butterflies, and beneficial insects

Perfect For:

• Urban gardens and borders – Softens edges with its informal habit


• Pollinator-friendly planting – Loved by bees and butterflies


• Low-maintenance and drought-tolerant gardens – Thrives in poor soils


• Mediterranean and cottage-style schemes – Ideal with roses and salvias

How to Grow:

Plant in well-draining soil in a sunny position for the best flowering display. Cut back spent flowers to encourage repeat blooms and trim after flowering to maintain a tidy shape. Avoid heavy, wet soils.

Please note: Images show how this plant may look at various stages of maturity. The size you choose may look different.