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six hills giant catmint

Nepeta 'Six Hills Giant', commonly known as six hills giant catmint, is a standout perennial for New Zealand gardens. If you’re searching for a resilient, easy-care plant that delivers impressive colour and lush texture, six hills giant catmint deserves a prime spot in your landscape. Its masses of violet-blue flowers and aromatic grey-green foliage attract pollinators, resist pests, and tolerate dry conditions, making it a reliable favourite for gardeners seeking beauty and low maintenance.

Nepeta 'Six Hills Giant' (Catmint)

Catmint

Nepeta 'Six Hills Giant' is a vigorous perennial prized for its aromatic foliage and abundant lavender blue flowers that bloom from late spring through summer. Taller than most Catmints, this variety creates a soft, flowing effect in NZ gardens, attracting bees and butterflies in abundance. Its drought tolerance and low maintenance needs make it ideal for both cottage and modern landscapes. 'Six Hills Giant' delivers colour, fragrance, and resilience with ease.

Nepeta 'Six Hills Giant' green foliage and blue flowers.
  • Suited to regions:
    Subtropical, Temperate
  • Plant type:
    Perennials
  • Height:
    50 cm
  • Spread:
    75 cm
  • Flowering time:
    Summer, Autumn
  • Tolerances:
    Hardy
  • Garden uses:
    Borders, Containers, Living areas, Paths & Steps, Pool areas
  • Garden styles:
    Backyard, City & Courtyard, Frontyard, Modern
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Nepeta 'Six Hills Giant' (Catmint)

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Features of six hills giant catmint

Six hills giant catmint grows quickly into a billowing mound, reaching up to 90cm tall and 120cm wide. During late spring and summer, this Nepeta variety bursts into fountains of blue, creating a soft, cloud-like effect in borders or along pathways. The fragrant foliage deters unwanted insects, while bees and butterflies flock to the abundant blooms. Its drought tolerance makes it ideal for New Zealand's variable climate, thriving in full sun and well-drained soils. With regular cutting back, six hills giant catmint reblooms, extending your colour well into autumn.

Garden uses and combinations

The airy, informal style of six hills giant catmint suits cottage gardens, pollinator havens, and modern mixed borders. Plant it as a bold drift against roses or alongside architectural perennials like Kniphofia Dwarf Orange (Torchlily). It’s perfect as a companion to bulbs such as the Tulip Rococo Plant or to soften the edges of paths and garden beds. For a continuous tapestry of blue, try combining with other catmint varieties like Nepeta 'Blue Wonder' (Catmint), Nepeta 'Walkers Low' (Catmint), and Nepeta faassenii. The subtle hues also complement summer favourites like Digitalis Apricot Beauty (Foxglove) and Armeria 'Dreamland'.

Growing tips for six hills giant catmint

Six hills giant catmint is exceptionally easy to grow. Choose a sunny spot with well-drained soil. This Nepeta handles drought and poor soil but appreciates moderate watering during establishment. Prune after the first flush of flowers to encourage reblooming and maintain its shape. For best results, divide clumps every few years to keep plants vigorous. If you’re looking to expand your Nepeta collection, consider Nepeta mussinii (Catmint), another low-maintenance, pollinator-friendly choice.

Why choose six hills giant catmint for your New Zealand garden?

Six hills giant catmint offers a winning combination of easy care, resilience, and show-stopping flowers. Its ability to thrive in sun, shade, and variable soils means it fits almost any garden setting. The fragrant foliage adds sensory appeal, while the flowers provide months of colour and attract beneficial insects. Pair with white-flowered companions like Pelargonium Nano White (White Pelargonium) to brighten borders, or weave through planting schemes for structure and movement. Whether used for edging, mass planting, or accent contrast, six hills giant catmint promises vibrant beauty and reliability, season after season.


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From trusted favourites like Schefflera arboricola and Sambucus nigra to fresh faces like Callistemon 'Genoa Glory' (Bottlebrush), Dianella 'Breeze', and Podocarpus henkelii (Yellowwood) — we’ve got you covered.
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