Nepeta faassenii ‘Six Hills Giant’ – A Vigorous, Long-Blooming Catmint with Lavender Flowers
Nepeta faassenii ‘Six Hills Giant’ is a robust and versatile herbaceous perennial, celebrated for its long-lasting, aromatic lavender-blue flower spikes and grey-green aromatic foliage. Known for its vigorous growth and garden reliability, this variety is ideal for borders, rockeries, pollinator gardens, and low-maintenance landscaping.
With a flowering season that extends from late spring through summer, ‘Six Hills Giant’ provides abundant colour and attracts bees, butterflies, and other pollinators, making it both a beautiful and wildlife-friendly choice for any garden.
Why Grow Nepeta faassenii ‘Six Hills Giant’?
Abundant, Long-Lasting Flowers
Produces tall, fragrant spikes of lavender-blue flowers over a long period, providing vibrant colour throughout the growing season.
Vigorous & Hardy
‘Six Hills Giant’ is exceptionally hardy and resilient, thriving in a wide range of garden conditions. It tolerates poor soils, drought, and sunny positions, making it ideal for low-maintenance planting.
Aromatic Foliage
The soft, grey-green leaves are aromatic when touched, adding both sensory interest and texture to borders and garden beds.
Pollinator-Friendly
The nectar-rich flowers attract bees, butterflies, and other beneficial insects, supporting wildlife and promoting a healthy garden ecosystem.
Height and Spread
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Height: 60–90cm
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Spread: 90–120cm
Its upright yet bushy growth habit makes it suitable for borders, mass plantings, or container displays.
Where to Site Your Nepeta ‘Six Hills Giant’
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Borders & Beds: Creates colourful, low-maintenance structure
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Pollinator Gardens: Supports bees and butterflies
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Rockeries & Gravel Gardens: Performs well in sunny, well-drained areas
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Containers & Patio Gardens: Adds fragrance, texture, and summer colour
How to Grow and Care for Nepeta faassenii ‘Six Hills Giant’
Soil
Prefers well-drained soil and tolerates poor, sandy, or chalky soils. Avoid waterlogged conditions.
Light
Thrives in full sun for best flower production and aromatic foliage.
Watering
Water moderately, especially during establishment. Once mature, it is drought tolerant and very low-maintenance.
Maintenance
Pruning
Trim back lightly after flowering to maintain shape and encourage a second flush of blooms. Cut hard in late winter or early spring to rejuvenate older plants.
Feeding
Generally requires no fertiliser; a light application in spring can boost growth.
Pest & Disease Resistance
‘Six Hills Giant’ is largely pest- and disease-resistant, making it a reliable and carefree perennial.
Perfect Plant Combinations
Nepeta ‘Six Hills Giant’ pairs beautifully with roses, lavender, salvia, and ornamental grasses. Its soft foliage and long flowering period complement stronger architectural plants and help create textured, relaxed borders.
Conclusion
Nepeta faassenii ‘Six Hills Giant’ is a hardy, vigorous perennial that offers long-lasting lavender-blue flowers, aromatic foliage, and exceptional garden versatility. Ideal for borders, pollinator-friendly gardens, or containers, it provides months of colour and low-maintenance charm.