We're offering you a 1, 2 or 3 Nepeta Six Hills Giant Plants for £6.99, saving you up to 30% off Thompson and Morgan's's price of £9.99 (correct as of 11.12.2025).

Add Movement and Colour with Nepeta 'Six Hills Giant'

Transform your garden with the Nepeta 'Six Hills Giant', a robust perennial from the mint family (Lamiaceae). Known as Catmint, this variety is prized for its upright habit and abundant lavender-blue flower spikes that sway gently above aromatic, silvery-green foliage.

• Botanical Name: Nepeta x faassenii 'Six Hills Giant'
• Mature Size: Grows up to 90cm tall and spreads up to 60cm wide
• Flowering Period: Blooms prolifically from June through September
• Hardiness: Fully hardy in UK gardens (RHS H7)

Why Choose Nepeta 'Six Hills Giant'?

• Biodiversity Booster: High nectar content draws bees, butterflies, and other beneficial insects.
• Sensory Appeal: Aromatic foliage releases a pleasant scent when brushed, delighting both gardeners and cats.
• Design Flexibility: Ideal for softening path edges, filling sunny borders, or pairing with roses and ornamental grasses.
• Dual Purpose: Beautiful as a garden feature and excellent as cut flowers in bouquets.

Growing Guide & Care Tips

• Planting Time: Best planted in spring or autumn when soil is moist but not waterlogged.
• Location: Prefers full sun but tolerates partial shade; plant in well-drained soil (neutral to slightly alkaline pH).
• Irrigation: Water regularly during establishment; drought tolerant once mature.
• Maintenance: Cut back spent flower stems after the first flush to encourage repeat blooming. Prune hard in early spring to maintain shape and vigour.
• Pest Resistance: Generally pest- and disease-free; deer and rabbit resistant.

Clever Companion Planting & Usage Ideas

• Create cottage garden charm by pairing with roses, salvias, or geraniums.
• Add texture along borders or path edges where its movement softens hard lines.
• Cultivate near patios to enjoy fragrance and pollinator activity up close.

FAQs

• When is the best time to plant Nepeta 'Six Hills Giant'?
  The ideal time is spring or autumn when temperatures are mild and soil is workable.
• How fast does this Catmint grow?
  Nepeta 'Six Hills Giant' establishes quickly in its first year and reaches mature height within two seasons under good conditions.
• What type of soil does it prefer?
  This variety thrives in well-drained, neutral to slightly alkaline soils. Avoid heavy clay or waterlogged sites for best results.