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Address: 284 Meeanee Road, Meeanee, Napier, 4112, New Zealand
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catmint size

Wondering about catmint size and how it might fit into your garden? Catmint (Nepeta) is a favourite perennial among New Zealand gardeners for its aromatic foliage, pollinator-friendly flowers, and trouble-free nature. Whether you’re planning a border, looking for groundcover, or adding a fragrant accent to your space, knowing the catmint size is essential for successful design. This guide will help you choose the right catmint for your needs and introduce you to some of the most popular varieties.

Nepeta 'Six Hills Giant' green foliage and blue flowers.

Nepeta 'Six Hills Giant' (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.

Buy Nepeta 'Six Hills Giant' (Catmint)

From $18.83

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

Rose 'Desiree'

Rose 'Desiree' is a beautifully refined rose known for soft pastel blooms, gentle fragrance and repeat flowering through the warmer months in New Zealand gardens. This lovely cultivar produces full classic roses on strong stems ideal for cutting and display. With healthy growth glossy foliage and long seasonal performance, Rose 'Desiree' brings romance and timeless floral charm to borders cottage gardens and outdoor living spaces.

Buy Rose 'Desiree'

From $63.38

Suited to regions: All regions

Plant type: Rose Plants

Height: 1.00 m

Spread: 1.00 m

Flowering time: Spring, Summer, Autumn

Garden uses: Borders, Containers, Paths & Steps

Garden styles: Backyard, City & Courtyard, Frontyard, Japanese, Modern

How Big Does Catmint Grow?

Catmint size can vary depending on the specific variety you choose. Most traditional catmint plants form attractive, bushy mounds. Their typical size ranges from 30cm to over 90cm tall, with a similar or slightly wider spread. This makes catmint suitable for many uses, from edging pathways to filling sunny garden beds.

For example, Nepeta faassenii usually reaches about 40-45cm tall and can spread up to 60cm, making it excellent for softening the edges of garden beds. Nepeta mussinii (Catmint) is particularly popular for its dense growth habit and similar dimensions, making it an ideal candidate for compact spaces.

Popular Catmint Varieties and Their Sizes

Nepeta 'Six Hills Giant'

If you’re searching for larger impact, Nepeta 'Six Hills Giant' (Catmint) is one of the tallest varieties. It typically grows up to 90cm tall with an impressive spread of about 1 metre, perfect for making a statement or as a relaxed informal hedge in sunny borders.

Nepeta 'Walkers Low'

For a mid-sized option, Nepeta 'Walkers Low' (Catmint) forms neat, clumping mounds around 60cm to 75cm high and wide. The name can be a little confusing, as this variety is not as low-growing as it sounds. It’s an excellent choice for lining paths or mixing with roses and perennials.

Nepeta 'Blue Wonder'

If you have limited space or are working with containers, Nepeta 'Blue Wonder' (Catmint) is a more compact variety, usually reaching 30-40cm tall. Despite its smaller size, it offers all the classic catmint benefits—fragrant foliage, long flowering season, and excellent drought tolerance.

How to Choose the Right Catmint Size for Your Garden

Selecting the ideal catmint size depends on your garden’s scale and your planting goals. For low edges and lining paths, choose smaller varieties like Nepeta faassenii or Nepeta 'Blue Wonder' (Catmint). For greater coverage and presence, the larger Nepeta 'Six Hills Giant' (Catmint) and Nepeta 'Walkers Low' (Catmint) will suit best.

No matter which catmint size fits your space, these hardy perennials are sure to attract bees and butterflies, thrive in New Zealand’s conditions, and bring months of soft blue flower spires to your garden. Explore more about individual varieties and their characteristics on our product pages to find the perfect catmint for your landscape.

Contact us

Whether you need assistance finding the plant you’re looking for or you simply want to know more about who we are and what we do, we invite you to get in touch with us today. A member of The Plant Company team will get back in touch as soon as possible.