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planting grass seed in summer

Planting grass seed in summer may seem challenging, but with the right preparation and plant selection, it's possible to achieve a vibrant, healthy lawn in New Zealand's warmer months. Summer presents unique conditions: increased warmth, more sunlight, and sometimes less consistent rainfall. However, these factors can actually benefit certain grass types if you know how to work with them. Whether establishing a new lawn or overseeding bare patches, understanding the essentials of summer lawn care will set you up for success.

Kikuyu lawn featuring a lush and dense tuf.

Kikuyu (Blended Kikuyu Lawn Seed)

5 from 4 customers

A Kikuyu lawn is suited to warmer regions and coastal areas where hot and humid summers are less well suited to other turf species. The variety of Kikuyu grass seed sold by The Plant Company is Regal Green which produces a carpet of lush green leaves and tolerates both summer drought and high humidity.

From $39.95

A Kikuyu grass lawn bordered by a garden.

Pure Kikuyu Seed

4.5 from 2 customers

Kikuyu grass is suited to warmer regions and coastal areas where hot and humid summers are less well suited to other turf species. The variety of Kikuyu seed sold by The Plant Company is Regal Green which produces a carpet of lush green leaves and tolerates both summer drought and high humidity.

From $24.95

Festuca coxii (Blue Fescue) grass growing in a garden.
Festuca coxii (Blue Fescue)

Festuca coxii, commonly known as Blue Fescue, is a hardy NZ native, ornamental grass that features fine, blue foliage. Straw-coloured seed heads...

From$14.49
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$16.95
An exquisite Tall Fescue lawn.
Tall Fescue

Tall Fescue is an excellent lawn grass choice for New Zealand homeowners seeking a dark green, tough, and attractive lawn. It is widely used by ready...

From$26.95
festuca-banks-peninsula-blue-1
Festuca 'Banks Peninsula Blue' (Blue Fescue Grass)

Festuca 'Banks Peninsula Blue' is a striking ornamental grass valued for its fine, steel blue foliage that forms neat, compact clumps. This hardy...

From$14.49
native-plant-fertiliser-
Native Plant Fertiliser

Native Plant Fertiliser is specially formulated to support healthy growth in a wide range of NZ native plants. It provides balanced nutrition to...

From$16.95
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
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
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
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
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
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
Austroderia fulvida (Toetoe) plants in a garden with cascading green foliage and white flower plumes.
Austroderia fulvida (Toetoe)

Austroderia fulvida, commonly known as Toetoe or Toi Toi, is a large and vigorous NZ native grass. It bears long, narrow, mid-green leaves that are...

From$13.73
5-litre-plant-pots-
5 Litre Plant Pots

5 Litre Plant Pots are a practical choice for growing larger shrubs, perennials, grasses, herbs, and young trees. They provide generous root space to...

From$79.20
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
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
Lomandra Green Allure plant with lush, green foliage.
Lomandra 'Green Allure'

Lomandra 'Green Allure' is a hardy evergreen ornamental grass with fine fresh green foliage and a neat clumping habit. It is an excellent choice for...

From$16.95
15-litre-plant-pots-
1.5 Litre Plant Pots

1.5 Litre Plant Pots are a practical choice for growing young shrubs, perennials, grasses, herbs, and other developing plants. They provide useful...

From$27.36
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...

From$22.95
plant-pots-
2.5 Litre Plant Pots

2.5 Litre Plant Pots are a practical option for growing shrubs, perennials, grasses, herbs, and other developing plants. They provide ample root...

From$37.44
3-litre-plant-pots-
3.5 Litre Plant Pots

3.5 Litre Plant Pots are a versatile choice for growing shrubs, perennials, grasses, herbs, and other established plants. They provide generous root...

From$48.96
An immaculate Fine Fescue lawn in a modern and formal garden.
Fine Fescue 'Lawn Seed'

Fine Fescue 'Lawn Seed' is ideal for homeowners seeking a lush, fine-textured lawn that thrives in shaded areas and requires minimal maintenance...

From$28.95
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...

From$6.95
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$16.49
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
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 strong and studry planting spade.
Ace1 Planting Spade

The Ace 1 planting spade is a must for any gardener. This spade is designed so it can penetrate the ground easily without jarring the wrists in the...

From$225.86
Ophiopogon 'Kyoto' (Dwarf Mondo grass) growing between paving stones.
Ophiopogon 'Kyoto'

Ophiopogon 'Kyoto' is a Dwarf Mondo Grass and grows as a small clump with fine, dark green foliage. Flower spikes appear in summer bearing tiny...

From$6.95
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 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$16.95
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
Kikuyu (Blended Kikuyu Lawn Seed)

Did you find what you are looking for?

You might be interested in exploring related Latin Names - Carex, Dactylis, and Festuca, or related Categories - Native Plant Fertiliser, Grass Seed, and Grasses.

Search planting grass seed in summer

Choosing the Right Grass Seed for Summer

Not all grasses thrive when sown in mid- to late summer. For the best results, select heat-tolerant species that can handle New Zealand's sunny climate. One of the most resilient options is Kikuyu (Blended Kikuyu Lawn Seed), known for its vigorous growth and impressive drought resistance. If you prefer pure strains, Pure Kikuyu Seed offers similar benefits but with a more uniform look. Both are excellent choices for creating a lush lawn that copes well with summer heat.

If you're seeking a darker green, finer-textured lawn, Amenity Ryegrass Seed (Lawn Seed) is a quick-germinating option suited for cooler or shaded summer areas. For those interested in ornamental grasses or incorporating low-maintenance landscaping, Festuca 'Banks Peninsula Blue' (Blue Fescue Grass) and Carex solandri are beautiful, drought-tolerant options.

Tips for Successful Summer Grass Seed Sowing

Successfully planting grass seed in summer relies on careful timing, proper soil preparation, and consistent care. Start by removing weeds, loosening the topsoil, and working in organic matter or lawn starter fertiliser to create a healthy foundation. Sow your chosen seed evenly, then lightly rake to cover the seeds with a thin layer of soil. Press the soil gently using a roller or by treading to ensure good seed-to-soil contact.

Water plays a critical role: keep the seeded area consistently moist. In summer, it’s best to water early in the morning or late afternoon to avoid evaporation loss. Light, frequent watering encourages shallow rooting, but you’ll want to gradually lengthen intervals to promote deeper, more drought-hardy roots as the grass establishes.

Lawn Maintenance After Summer Seeding

Newly established lawns need protection from heavy foot traffic until well-rooted. Keep mowing to a minimum, and use a sharp mower blade set at its highest level to avoid stressing tender young grass. Continue to monitor moisture, particularly during hot or windy periods.

Adding a layer of mulch, such as straw, can help conserve moisture, deter birds, and protect seedlings. Once your new lawn is mature, feed it with a balanced lawn fertiliser to encourage lush growth and resilience through the remainder of summer.

Why Plant Grass Seed in Summer?

While spring and early autumn are traditionally seen as the best times for sowing grass, summer offers the advantage of fast germination and establishment—especially for varieties like Kikuyu (Blended Kikuyu Lawn Seed) and Festuca 'Banks Peninsula Blue' (Blue Fescue Grass). With proper preparation and care, planting grass seed in summer can result in a beautiful, healthy lawn that stands up to the season’s challenges.

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.
Think you know our range? Lomandra 'Lime Tuff' and Cereus tetragonus are just the beginning — check out Escallonia 'Pink Elle', Laurus nobilis, and Fuchsia 'Patio Princess'.
–The Plant Company

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