Mountain Wood-rush Plant Care
Luzula orestera Sharsm.
Updated · Sources · How we source care data
Luzula orestera, with the common name Hairy woodrush or Sierra woodrush, is a species of flowering plant in the rush family. It is endemic to the High Sierra Nevada of California, where it grows in fellfields, talus, and other habitat in regions of subalpine and alpine climates.
Every 7–14 days
Partial to full shade
50–75°F
40–70%
At a glance
How do you care for Mountain Wood-rush?
Water Mountain Wood-rush every 7–14 days, letting the top layer of soil dry out between waterings, and give it partial to full shade. It prefers temperatures of 50–75°F (10–24°C) and 40–70% humidity. Fertilize it every 8 months during the growing season.
Where Is the Mountain Wood-rush Native To?
What Is the Mountain Wood-rush?
Mountain Wood-rush (Luzula orestera) belongs to the Juncaceae family within the Luzula genus. Mountain Wood-rush is native to the High Sierra Nevada of California.
Mountain Wood-rush displays a clumping perennial grass growth habit, reaching up to 1 ft tall with a spread of approximately 0.5 ft. Mountain Wood-rush produces small, inconspicuous flowers on slender stems.
Leaf size: approximately 12 inches.
How Often Should You Water a Mountain Wood-rush?
Luzula orestera 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 Mountain Wood-rush Need?
Mountain Wood-rush thrives in partial to full shade. The optimal light range is 100–500 lux. Avoid placing Mountain Wood-rush in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Partial to full shade
100–500 lux
What Temperature and Humidity Does the Mountain Wood-rush Prefer?
Luzula orestera grows best at temperatures of 50–75°F. Mountain Wood-rush prefers humidity levels of 40–70%.
Temperature
50–75°F
Humidity
40–70%
What Soil Mix Works Best for a Mountain Wood-rush?
Moist, well-draining soil with high organic content. Good drainage is essential for Mountain Wood-rush to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Mountain Wood-rush?
Feed Mountain Wood-rush 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 Mountain Wood-rush?
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 Mountain Wood-rush?
Mountain Wood-rush can be propagated through division, seeds. Similar propagation techniques also apply to canary wood-rush plant care, which shares the same genus.
Is the Mountain Wood-rush Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Mountain Wood-rush, 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 Mountain Wood-rush?
Mountain Wood-rush is susceptible to slugs, snails. 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 Mountain Wood-rush Need?
Mountain Wood-rush grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Mountain Wood-rush is native to the High Sierra Nevada of California. In cooler regions, grow Mountain Wood-rush as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Mountain Wood-rush 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 Luzula genus — compare its care with other Luzula species on PlantoScan.
Luzula is part of the Juncaceae plant family — browse all Juncaceae genera and species.
Mountain Wood-rush copes with lower light than most plants — browse the full list of low-light plants.
More Luzula Species
Other Luzula species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Luzula orestera Sharsm., family Juncaceae (first published in Aliso 4(1): 125 (1958)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Mountain Wood-rush, 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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