Call us: 0800 843 752Free shipping for orders $150 or over
Gift Vouchers

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. Ophiopogon 'Silver Mist' is best showcased with a mass planting and is commonly added to rock gardens, used in borders, grown as a groundcover, planted around outdoor living areas, or maintained in a container.

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. Ophiopogon japonicus nigrescens nigrescens looks best when mass planted and is commonly used in rock gardens, included in borders, planted as a ground cover, or maintained in a container.

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
cymbopogon-citratus-4
Cymbopogon citratus (Lemongrass)

Cymbopogon citratus (aka Andropogon citratus), commonly known as Lemongrass Grass or Citronella Grass, grows as a clump and produces flavoursome and...

From$20.63
Zebra grass (Miscanthus 'Zebrinus') leaves with cream and green stripes.
Miscanthus 'Zebrinus'

Miscanthus 'Zebrinus' (Zebra Grass) is a striking ornamental grass recognised for its bold horizontal yellow banding across arching green leaves...

From$19.95
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 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
Apodasmia similis growing in a rock garden.
Apodasmia similis (Oi Oi)

Apodasmia similis, commonly known as Oioi or Jointed Wire Rush, is a hardy native grass-like plant found throughout New Zealand. It is ideal for...

From$7.50
Lomandra 'Seascape' grass with elegant, blue-green foliage growing beside a pond.
Lomandra confertifolia Seascape

Lomandra confertifolia 'Seascape' is a hardy, evergreen ornamental grass featuring slender, blue-grey foliage with a graceful, weeping habit. Forming...

From$19.25
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
An elegant Miscanthus sinensis grass with cream-coloured flower plumes and lush green foliage.
Miscanthus sinensis

Miscanthus sinensis is an ornamental grass that grows as a clump of narrow, arching, green leaves. The colouring gives a light silver-green effect to...

From$19.95
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$20.63
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
Carex 'Everlime' plants for sale at The Plant Company nursery.
Carex 'Everlime' (Lime Grass Plant)

Carex ‘Everlime’ (Japanese Sedge) is a popular evergreen sedge valued for its graceful arching green foliage edged with bright lime cream margins...

From$19.95
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$17.87
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
Lomandra 'Misty Green' plants with cascading green foliage growing a bank.
Lomandra Misty Green

Lomandra Misty Green is an ornamental grass with delicate, dark green foliage and a tidy, rounded form. Growing to about 40 cm in height and width...

From$19.25
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$18.63
Carex flagellifera Green plant with lush and colourful foliage.
Carex flagellifera Green

Carex flagellifera Green is a NZ native, ornamental grass grown for its attractive foliage. It produces slender and lush, green leaves as it grows to...

From$11.50
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$8.21
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
A large Calamagrostis 'Overdam' grass with elegant, variegated foliage.
Calamagrostis 'Overdam'

Calamagrostis ‘Overdam’ is a striking variegated ornamental grass that delivers elegant upright form and delicate texture to garden borders and...

From$19.95
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$11.50
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
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
Imperata 'Red Baron' with colourful, red foliage
Imperata Red Baron

Imperata 'Red Baron', commonly known as Japanese Blood Grass, features leaves that are green at the base and become red further up the blade. Through...

From$20.63
Chionochloa flavicans (Miniature ToeToe) plants with cascading cream-coloured flowers.
Chionochloa flavicans (Miniature Toetoe)

Chionochloa flavicans, commonly known as Miniature ToeToe or Dwarf Toe Toe, is a highly popular NZ native grass. It has flowing, green foliage and...

From$14.95
Carex 'Frosted Curls' plants with elegant green foliage growing in a pot with other plants.
Carex Frosted Curls

Carex Frosted Curls is an ornamental grass with slender, hair-like, iridescent foliage that shimmers in light breezes. It typically grows to 30 cm...

From$11.50
A stunning Amenity Ryegrass lawn.
Amenity Ryegrass Seed (Lawn Seed)

Rye Grass Seed lawns are quick to establish and features dark green leaves year-round. Our Amenity Rye Grass is a popular turf variety that is...

From$13.07
Ophiopogon 'Silver Mist' (Silver Mondo Grass)

Did you find what you are looking for?

You might be interested in exploring related Latin Names - Apodasmia, Cymbopogon, and Dactylis, 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 Lomandra Frosty Tops and Rhododendron 'Scented Sun' lead the way, but there’s magic in discovering Ilex aquifolium Angustifolia, Beilschmiedia tawa (Tawa Tree), and Camellia 'Sweet Emily Kate'.
–The Plant Company

Explore Garden Inspiration

Sign up to receive a free $10 Voucher You won’t be bombarded with emails, just titbits of quality information from time to time Sign up
Free shipping on orders over $150!

Join our community of happy customers.

4.8

445 Google reviews