Coastal Tussock Grass Plant Care

Chionochloa flavescens Zotov

Updated · Sources · How we source care data

Chionochloa flavescens, known as broad-leaved snow tussock or haumata in Māori. Endemic to New Zealand, there are several different sub species that look very similar.

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Water

Every 7–14 days

Light

Full sun to partial shade

Temp

50–80°F

Humidity

40–70%

At a glance

How do you care for Coastal Tussock Grass?

Water Coastal Tussock Grass every 7–14 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–80°F (10–27°C) and 40–70% humidity. Fertilize it every 8 months during the growing season.

Where Is the Coastal Tussock Grass Native To?

Native range1 country

What Is the Coastal Tussock Grass?

Coastal Tussock Grass (Chionochloa flavescens) belongs to the Poaceae family within the Chionochloa genus. Coastal Tussock Grass is native to New Zealand, there are several different sub species that look very similar. Coastal Tussock Grass is also known as Yellow Tussock Grass.

Coastal Tussock Grass displays a clumping grass growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Coastal Tussock Grass produces small inconspicuous flowers in panicles.

Leaf size: approximately 12 inches.

How Often Should You Water a Coastal Tussock Grass?

Chionochloa flavescens requires watering every 7–14 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.

Watering Frequency

Every 7–14 days

Let soil partially dry between waterings

What Light Does the Coastal Tussock Grass Need?

Coastal Tussock Grass thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Coastal Tussock Grass Prefer?

Chionochloa flavescens grows best at temperatures of 50–80°F. Coastal Tussock Grass prefers humidity levels of 40–70%.

Temperature

50–80°F

Humidity

40–70%

What Soil Mix Works Best for a Coastal Tussock Grass?

Well-draining sandy loam with added organic matter. Good drainage is essential for Coastal Tussock Grass to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Coastal Tussock Grass?

Feed Coastal Tussock Grass every 8 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.

Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.

Fertilizing

Every 8 months

During the growing season

The PlantoScan app can remind you when to water and when to fertilize each plant.

How Do You Repot a Coastal Tussock Grass?

Repot every 2-3 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.

How Do You Propagate a Coastal Tussock Grass?

Coastal Tussock Grass can be propagated through division, seed. Similar propagation techniques also apply to pale tussock grass plant care, which shares the same genus.

Is the Coastal Tussock Grass Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Coastal Tussock Grass, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.

This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.

See all plants toxic to cats and plants toxic to dogs.

What Pests and Diseases Affect the Coastal Tussock Grass?

Coastal Tussock Grass is susceptible to aphids, grasshoppers. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.

What USDA Hardiness Zone Does the Coastal Tussock Grass Need?

Coastal Tussock Grass grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Coastal Tussock Grass is native to New Zealand, there are several different sub species that look very similar. In cooler regions, grow Coastal Tussock Grass as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

Coastal Tussock Grass is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.

It belongs to the Chionochloa genus — compare its care with other Chionochloa species on PlantoScan.

Chionochloa is part of the Poaceae plant family — browse all Poaceae genera and species.

Coastal Tussock Grass thrives in bright light and direct sun — see other bright-light plants.

Related Plant Care Guides

Closely related plants with similar care requirements:

Sources

  • Scientific name & taxonomy: Chionochloa flavescens Zotov, family Poaceae (first published in New Zealand J. Bot. 1: 97 (1963)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Coastal Tussock Grass, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
  • Hardiness zone: USDA Zone 12a, calculated from the plant's minimum temperature.
  • Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.

Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.

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