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hardy gardenia

Searching for a hardy gardenia to add elegance and fragrance to your New Zealand garden? Hardy gardenias are prized for their lush, evergreen foliage and stunning white blooms that fill the garden with a sweet, unmistakable scent. Many gardeners love the idea of growing gardenias but worry about their reputation for being delicate plants. Fortunately, certain varieties are exceptionally robust, thriving even in cooler climates or less-than-perfect soils. If you’re seeking a garden shrub that offers year-round appeal and heavenly fragrance with lower maintenance needs, a hardy gardenia may be the answer.

Gardenia Frost Proof shrub with white flowers and dark green foliage.

Gardenia 'Frostproof'

Gardenia 'Frostproof' is a hardy, evergreen shrub renowned for its fragrant white flowers and glossy, dark green foliage. Reaching around 90–120 cm tall and wide, it’s ideal for NZ gardeners in cooler regions, as it tolerates light frosts better than most gardenia varieties. Blooming from late spring through summer, it brings lasting scent and elegance to borders, pots, or hedges.

Suited to regions: All regions
Plant type: Shrubs
Height: 1.00 m
Spread: 1.00 m
Flowering time: Spring, Summer, Autumn
Garden uses: Borders, Containers, Hedging, Living areas, Paths & Steps, Pool areas
Garden styles: Alpine, Backyard, City & Courtyard, Cottage, Formal, Frontyard, Japanese, Modern, Rock, Tropical, White
Westringia 'Mundi' with lush green-grey foliage and white flowers in a pot.

Westringia 'Mundi'

4.5 from 2 customers

Westringia 'Mundi' is a variety of the commonly known Coastal Rosemary, and is grown for its lovely foliage and great form. It grows as a spreading shrub with narrow, grey-green leaves held densely on short stems. Small, dainty white flowers complement the foliage from spring to summer as it grows to 50 cm in height and 1.2 m in width. Westringia 'Mundi' is commonly used as a groundcover, featured in coastal gardens, grown as a border plant, planted around pools and other outdoor living areas, or used anywhere a hardy and attractive plant is required.

Suited to regions: Subtropical, Temperate
Plant type: Groundcover Plants
Height: 50 cm
Spread: 1.20 m
Flowering time: Spring, Summer
Tolerances: Coastal, Extended dry periods, Hardy
Garden uses: Banks, Borders, Ground covering, Living areas, Paths & Steps, Pool areas
Garden styles: Architectural, Backyard, City & Courtyard, Coastal, Frontyard, Japanese, Mediterranean, Modern
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Gardenia 'Frostproof'

Did you find what you are looking for?

You might be interested in exploring related Latin Names - Coprosma, Cupressus, and Gardenia, or related Categories - Conifer Trees, Grasses, and Groundcover Plants.

Search hardy gardenia

What Is a Hardy Gardenia?

A hardy gardenia is a type of gardenia specially bred or selected for resilience in varying weather conditions, including cooler winters and subtropical climates found in parts of New Zealand. These plants feature all the beloved qualities of traditional gardenias—glossy green leaves and perfumed, creamy white flowers—but with a much tougher constitution. Hardy gardenias can now grace gardens beyond frost-free regions, broadening their appeal for landscapers and home gardeners alike.

Top Picks for Hardy Gardenias in New Zealand

One popular gardenia for Kiwi gardeners is Gardenia Frostproof. As its name suggests, this variety is renowned for its exceptional resistance to cold snaps and frosts. It produces an abundance of double white blooms throughout the warmer months, and its foliage remains lush even when temperatures dip. Grow it in a sunny to partially shaded spot with well-draining, slightly acidic soil for best results.

For those after an azalea with similar gardenia-like blooms, Azalea 'Hardy Gardenia' offers a beautiful alternative. This azalea variety produces double white flowers reminiscent of true gardenias and is well-suited for New Zealand gardens where hardiness is key.

Planting and Caring for Hardy Gardenias

To help your hardy gardenia thrive, choose a sheltered position with morning sun and provide consistent moisture, particularly during dry spells. Mulching helps retain soil moisture and regulate temperature. Hardy gardenias prefer slightly acidic soil—incorporate peat moss or a specialised gardenia fertiliser at planting time to give your shrub the best start. Prune lightly after flowering to maintain a compact, bushy shape and encourage more blooms next season.

Companion Plant Ideas

Hardy gardenias pair beautifully with other acid-loving plants such as rhododendrons and azaleas. For groundcover, Westringia Mundi makes an excellent, resilient companion thanks to its drought tolerance and soft, silvery foliage. For a perennial border with long-lasting colour, consider integrating hardy geraniums like Geranium himalayense Gravetye (Hardy Geranium) and Geranium himalayense Irish Blue (Hardy Geranium Plants).

Enhance Your Garden with Hardy Gardenias

A hardy gardenia offers year-round structure, evergreen beauty, and the luxurious scent that makes gardenias so desirable—without the need for fussy care. Whether you choose a robust gardenia like the Gardenia Frostproof or explore alternatives like Azalea 'Hardy Gardenia', you’ll be rewarded with a show-stopping shrub that’s as tough as it is beautiful. Explore our collection of hardy garden plants to create a garden that impresses in every season.


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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.

Everyone knows classic varieties like Ficus 'Black Knight' and Lomandra Little Con, but you might just fall in love with Guzmania conifera, Loropetalum 'Blonde and Gorgeous', and Syagrus romanzoffiana (Queen Palm).
–The Plant Company

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