Hard Snow Tussock Plant Care
Chionochloa rigida (Raoul) Zotov
Updated · Sources · How we source care data
Chionochloa rigida, known commonly as narrow-leaved snow tussock and by its Māori name wī kura, is a species of tussock grass endemic to New Zealand. Two subspecies are recognised, including Chionochloa rigida rigida and Chionochloa rigida amara.
Every 7–14 days
Full sun to partial shade
50–80°F
40–70%
At a glance
How do you care for Hard Snow Tussock?
Water Hard Snow Tussock 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 Hard Snow Tussock Native To?
What Is the Hard Snow Tussock?
Hard Snow Tussock (Chionochloa rigida) belongs to the Poaceae family within the Chionochloa genus. Hard Snow Tussock is native to New Zealand. Hard Snow Tussock is also known as Rigid Snow Tussock.
Hard Snow Tussock displays a clumping grass growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Hard Snow Tussock produces small inconspicuous flowers in panicles.
Leaf size: approximately 12 inches.
How Often Should You Water a Hard Snow Tussock?
Chionochloa rigida 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 Hard Snow Tussock Need?
Hard Snow Tussock thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Hard Snow Tussock Prefer?
Chionochloa rigida grows best at temperatures of 50–80°F. Hard Snow Tussock prefers humidity levels of 40–70%.
Temperature
50–80°F
Humidity
40–70%
What Soil Mix Works Best for a Hard Snow Tussock?
Well-draining sandy loam with added organic matter. Good drainage is essential for Hard Snow Tussock to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Hard Snow Tussock?
Feed Hard Snow Tussock 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 Hard Snow Tussock?
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 Hard Snow Tussock?
Hard Snow Tussock can be propagated through division, seed. Similar propagation techniques also apply to pale tussock grass plant care, which shares the same genus.
Is the Hard Snow Tussock Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Hard Snow Tussock, 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 Hard Snow Tussock?
Hard Snow Tussock 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 Hard Snow Tussock Need?
Hard Snow Tussock grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Hard Snow Tussock is native to New Zealand. In cooler regions, grow Hard Snow Tussock as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Hard Snow Tussock 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.
Hard Snow Tussock 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 rigida (Raoul) Zotov, family Poaceae (first published in New Zealand J. Bot. 1: 96 (1963)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Hard Snow Tussock, 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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