Coastal Fescue Plant Care
Austrofestuca littoralis (Labill.) E.B.Alexeev
Updated · Sources · How we source care data
Poa triodioides, synonyms including Austrofestuca littoralis, is a species of flowering plant in the grass family Poaceae, native to southwestern and southeastern Australia and to New Zealand.
Every 7–10 days
Full sun to partial shade
60–80°F
40–70%
At a glance
How do you care for Coastal Fescue?
Water Coastal Fescue every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 60–80°F (16–27°C) and 40–70% humidity. Fertilize it every 8 months during the growing season.
Where Is the Coastal Fescue Native To?
What Is the Coastal Fescue?
Coastal Fescue (Austrofestuca littoralis) belongs to the Poaceae family within the Austrofestuca genus. Coastal Fescue is native to southwestern and southeastern Australia and to New Zealand. Coastal Fescue is also known as Shore Fescue.
Coastal Fescue displays a compact clumping grass growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Coastal Fescue produces small inconspicuous flowers on slender spikes.
Leaf size: approximately 12 inches.
How Often Should You Water a Coastal Fescue?
Austrofestuca littoralis requires watering every 7–10 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 7–10 days
Let soil partially dry between waterings
What Light Does the Coastal Fescue Need?
Coastal Fescue thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Coastal Fescue Prefer?
Austrofestuca littoralis grows best at temperatures of 60–80°F. Coastal Fescue prefers humidity levels of 40–70%.
Temperature
60–80°F
Humidity
40–70%
What Soil Mix Works Best for a Coastal Fescue?
Well-draining sandy loam with good organic content. Good drainage is essential for Coastal Fescue to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Coastal Fescue?
Feed Coastal Fescue 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 Fescue?
Divide and 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 Fescue?
Coastal Fescue can be propagated through division, seed.
Is the Coastal Fescue Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Coastal Fescue, 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 Fescue?
Coastal Fescue 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 Fescue Need?
Coastal Fescue grows outdoors in USDA Zone 8b – 10b. It survives winters down to planting zone 8b. Coastal Fescue is native to southwestern and southeastern Australia and to New Zealand.
Hardiness Zone
Zone 8b – 10b
Keep exploring plants
Coastal Fescue 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 Austrofestuca genus — compare its care with other Austrofestuca species on PlantoScan.
Austrofestuca is part of the Poaceae plant family — browse all Poaceae genera and species.
Coastal Fescue 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: Austrofestuca littoralis (Labill.) E.B.Alexeev, family Poaceae (first published in Byull. Moskovsk. Obshch. Isp. Prir., Otd. Biol. , n.s., 81(5): 55 (1976)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Coastal Fescue, 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 8b – 10b, estimated from the plant's typical growing conditions.
- 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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