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mondo grass size

If you’re searching for information about mondo grass size, you’re in the right place! Mondo grass (Ophiopogon japonicus) is a favourite groundcover choice for New Zealand gardeners due to its lush appearance and versatility. Knowing the mature size of mondo grass is essential whether you're planning borders, pathways, or minimalist gardens. On this page, we’ll delve into the different varieties of mondo grass, how their size varies, and tips for choosing the right type for your landscape. We’ll also provide links to popular selections such as [Ophiopogon Silver Mist (Silver Mondo Grass)](/shop/product/grasses/ophiopogon-silver-mist), [Ophiopogon japonicus](/shop/product/grasses/ophiopogon-japonicus), and more.

Ophiopogon japonicus Silver Mist grass in a garden.

Ophiopogon 'Silver Mist' (Silver Mondo Grass)

Ophiopogon 'Silver Mist' is a dwarf silver Mondo Grass, and features fine, grass-like foliage that is variegated dark green and white. It typically grows to 15 cm tall and the same width.

From $6.95

Suited to regions: All regions
Plant type: Grasses
Height: 15 cm
Spread: 15 cm
Tolerances: Hardy
Garden uses: Borders, Containers, Living areas, Parks, Paths & Steps, Patios, Pool areas, Specimen
Garden styles: Alpine, Architectural, Backyard, City & Courtyard, Frontyard, Japanese, Modern
Ophiopogon planiscapus nigrescens (Black Mondo) plants with lush, black foliage.

Ophiopogon japonicus nigrescens

5 from 2 customers

Ophiopogon japonicus nigrescens, commonly known as Black Mondo Grass, is a clump-forming plant with fine, near black foliage. The foliage is complemented with flower spikes in summer, which bear tiny, pale pink flowers as it grows to 20 cm tall and the same width.

From $9.95

Suited to regions: All regions
Plant type: Grasses
Height: 20 cm
Spread: 20 cm
Flowering time: Summer
Tolerances: Hardy
Garden uses: Banks, Borders, Containers, Living areas, Parks, Paths & Steps, Patios, Ponds, Pool areas, Specimen
Garden styles: Alpine, Architectural, Backyard, City & Courtyard, Cottage, Frontyard, Japanese, Modern
Ophiopogon japonicus nana (dwarf Mondo grass) growing between paving stones.
Ophiopogon japonicus Nana

Ophiopogon japonicus 'Nana' is a dwarf or mini Mondo Grass grown for its delicate, dark green foliage. Flower spikes are borne in summer and bear...

From$9.95
Ophiopogon planiscapus (Mondo Grass) with lush green foliage growing as a ground cover.
Ophiopogon planiscapus

Ophiopogon planiscapus, commonly known as Dwarf Lilyturf, is a Mondo grass grown for its fine, dark green foliage and short stature. The foliage is...

From$6.95
Poa cita grass plants on a plateau overlooing the sea.
Poa cita

Poa cita, commonly known as Silver Tussock, is a clump-forming NZ native grass with delicate, green foliage that wafts gracefully in the breeze. It...

From$9.95
Lomandra 'Katrinus Deluxe' plant with lush, dark green foliage.
Lomandra Katrinus Deluxe

Lomandra Katrinus Deluxe is an evergreen, ornamental grass known for its mid-green, arching foliage and tidy clumping habit. Growing to approximately...

From$17.87
Lomandra longifolia plant beside a path with lush, green foliage.
Lomandra longifolia (Basket Grass)

Lomandra longifolia (Basket Grass) is a resilient, evergreen ornamental grass native to Australia. Growing to approximately 60 cm in height and 65 cm...

From$19.25
Ficinia nodosa (Knobby Club Rush) plants growing in sand and displaying lush, green foliage.
Ficinia nodosa (Knobby Club Rush)

Ficinia nodosa, commonly known as Knobby Club Rush, is a NZ native grass that features stout, mid-green foliage. In cold or exposed climates, the...

From$14.84
Lomandra Tankia with lush green foliage bordering a path.
Lomandra 'Tanika'

Lomandra Tanika is a hardy, Australian Native grass that is commonly known as Mat Rush. This grass features fine, deep-green foliage and a graceful...

From$20.63
Dactylis glomerata plant with a cat.
Dactylis glomerata (Cat Grass)

Dactylis glomerata, commonly known as Cat Grass or Catnip Grass, is a popular grass that is loved by cats. It features flowing, green foliage held as...

From$22.01
isolepsis-cernua-1
Isolepis cernua (Scirpus cernua)

Isolepis cernua (Fiber Optic Grass) is a distinctive ornamental grass prized for its fine green stems tipped with tiny white flowers that resemble...

From$16.49
Lomandra 'Echidna' grass growing as a mass planting beside a path.
Lomandra Echidna

The Lomandra Echidna grass is a tough and reliable plant with outstanding aesthetics. It features lush, mid-green foliage held upright with a gentle...

From$17.87
Sisyrinchium californicum plants with yellow flowers and fine, green foliage.
Sisyrinchium californicum

Sisyrinchium californicum, commonly known as the Golden Eyed Grass, is an herbaceous perennial grown for both its foliage and flowers. It bears...

From$17.25
Acorus gramineus variegata plants growing in pots with green and cream foliage.
Acorus gramineus variegatus

Acorus gramineus variegatus, commonly known as Variegated Sweet Flag, is an attractive ornamental grass-like plant prized for its elegant green and...

From$12.95
Lomandra Little Pal plants with lush green foliage.
Lomandra Little Pal

Lomandra Little Pal is a compact ornamental grass grown for its fine, green-yellow foliage and tidy, rounded form. Growing to approximately 60 cm in...

From$19.25
Carex buchananii with lush brown foliage growing as a specimen plant in a rock garden.
Carex buchananii (Buchanans Sedge)

Carex buchananii, commonly known as Leatherleaf Sedge, is a striking New Zealand native grass-like plant with delicate, upright, copper-bronze...

From$11.50
Chrysopogon zizanioides grass plants growing alongside a stream.
Chrysopogon zizanioides

Chrysopogon zizanioides (Vetiver Grass) is a hardy, evergreen clump forming grass renowned for its deep root system, attractive upright foliage, and...

From$20.63
Cyperus ustulatus growing in water.
Cyperus ustulatus (Giant Umbrella Sedge)

Cyperus ustulatus, commonly known as the Giant Umbrella Sedge, is a large and robust NZ native grass. It grows as a clump and produces dark green...

From$17.25
Lomandra Frosty Tops with lush blue foliage in a garden.
Lomandra Frosty Tops

Lomandra Frosty Tops is a hardy, evergreen grass featuring elegant, blue-grey foliage and a soft, weeping form. Growing to around 50 cm tall and...

From$19.25
Lomandra Nyalla grass with blue-green foliage in a border planting.
Lomandra Nyalla

Lomandra Nyalla is a hardy ornamental grass featuring delicate, lush green foliage and a graceful, arching form. Reaching approximately 80 cm in...

From$19.25
Typha orientalis (Raupo) plants with brown seed heads.
Typha orientalis (Raupō)

Typha orientalis, commonly known as Raupo, is a vigorous and erect, NZ native grass. It is found throughout New Zealand in shallow, fertile waters...

From$14.84
Lomandra Little Lime in a garden with lush, green foliage.
Lomandra Little Lime

Lomandra Little Lime is a compact ornamental grass known for its vibrant lime-green foliage and tidy, rounded form. Growing to about 50 cm in height...

From$21.39
Lomandra Lime Tuff in a garden showing elegant foliage.
Lomandra Lime Tuff

Lomandra 'Lime Tuff' is a hardy evergreen ornamental grass valued for its vibrant lime green foliage and compact tidy growth habit. This versatile...

From$17.87
Carex comans Bronze plant in a garden with dense bronze foliage.
Carex comans Bronze

Carex comans Bronze features slender, hair-like, bronze-brown foliage. It typically grows to 40 cm tall and the same width. Carex comans Bronze is...

From$9.95
Calamagrostis 'Karl Foerster' grasses as a mass planting and featuring elegant, cream-coloured flower heads as plumes.
Calamagrostis 'Karl Foerster'

Calamagrostis 'Karl Foerster' is a popular ornamental grass known for its upright, clump-forming habit and tall, feathery flower plumes. It grows to...

From$19.95
Carex dipsacea plants as a mass planting in a garden.
Carex dipsacea (Teasel Sedge)

Carex dipsacea is a fine-leaved, clump-forming sedge native to New Zealand. It features slender, green to bronze-tinted foliage and grows to...

From$12.95
Lomandra Green Allure plant with lush, green foliage.
Lomandra Green Allure

Lomandra Green Allure is widely used in landscaping projects across NZ. It is commonly mass planted as a ground cover or on a bank, included in...

From$19.25
Orange foliage on Carex testacea.
Carex testacea

Carex testacea, commonly known as Orange Sedge, is a striking New Zealand native grass admired for its fine, arching foliage that turns a brilliant...

From$12.95
Carex flagellifera Red plants.
Carex flagellifera Red

Carex flagellifera Red is a NZ native, ornamental grass grown for its colourful and attractive foliage. It produces slender and lush, copper-red...

From$11.50
Carex solandri grass in a NZ native planting.
Carex solandri

Carex solandri is a NZ native, ornamental grass that features attractive, dark green foliage. The foliage emerges upright and develops a gentle and...

From$11.50
Libertia paniculata plant with white flowers.
Libertia paniculata (Grass Flag)

Libertia paniculata is an elegant evergreen perennial admired for its fine, upright foliage and delicate white flowers that appear in airy clusters...

From$16.50
Carex comans green plants with dense, green foliage in a garden.
Carex comans Green

Carex comans Green is a NZ native, ornamental grass featuring slender and arching, lime green foliage. It grows as a tidy clump to about 40 cm tall...

From$11.50
Ophiopogon 'Silver Mist' (Silver Mondo Grass)

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You might be interested in exploring related Latin Names - Dactylis, Ficinia, and Lomandra, or related Categories - Grasses, and Mondo Grass.

Search mondo grass size

Mondo Grass Size: Height and Spread

The "mondo grass size" typically depends on the specific variety you choose. Standard Ophiopogon japonicus, often simply referred to as mondo grass, reaches a mature height of around 20-25cm and spreads about 30-40cm per plant. This size makes it ideal for edging garden beds, softening hard landscaping, or filling in shaded patches beneath trees.

For gardeners seeking a more compact option, dwarf mondo grass varieties are a standout choice. Ophiopogon japonicus Nana, known as Dwarf Mondo Grass, only grows 7-10cm tall and forms tight, low mats, perfect for between stepping stones or even as a living groundcover in containers.

Variety Differences: Selecting the Right Size

Not all mondo grass is created equal. Some varieties can be taller or offer unique foliage colours, which affect both visual impact and spacing in your garden. For example, Ophiopogon Black Dragon features striking dark leaves and can reach approximately 20cm in height, adding contrast and drama to garden borders. Ophiopogon Silver Mist (Silver Mondo Grass) is prized for its silvery streaked foliage, and its growth habit usually stays close to standard mondo grass size—making it useful in mixed plantings or as a showy feature.

If you’re interested in unusual colour but still want a manageable plant size, Ophiopogon japonicus nigrescens is another excellent option, reaching similar heights as standard varieties but offering unique black foliage.

Using Mondo Grass Based on Size

Understanding mondo grass size is a practical step toward successful garden design. Standard varieties are best for large mass plantings, while dwarf types like Ophiopogon japonicus Nana suit intricate spaces or small lawns. Taller or coloured types such as Ophiopogon Black Dragon and Ophiopogon Silver Mist (Silver Mondo Grass) excel as eye-catching border plants.

Spacing is also influenced by mondo grass size. For robust coverage, plant standard Ophiopogon japonicus 15-20cm apart, and dwarf varieties closer—about 10cm apart for quick fill-in. This ensures healthy growth and prevents gaps.

Find Your Ideal Mondo Grass

Choosing the right mondo grass size is key to creating the look you want. Explore our range including Ophiopogon japonicus, Ophiopogon Black Dragon, Ophiopogon Silver Mist (Silver Mondo Grass), and Ophiopogon japonicus nigrescens to find the perfect fit for your garden.

Whether you need low-maintenance groundcover or striking accents, mondo grass offers a variety of sizes and styles to suit every landscape. If you’re curious about the best choice for your site, browse our selection and transform your garden with reliable, easy-care beauty.

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.

Illustration of plant leaves.
Garden icons like Ficus benjamina and Corokia 'Geenty's Green' lead the way, but there’s magic in discovering Callistemon 'White Anzac' (White Bottlebrush), Phormium 'Jack Spratt', and Metrosideros 'Mistral'.
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