Poa diaboli Plant Care
Poa diaboli Soreng & D.J.Keil
Updated · Sources · How we source care data
Poa diaboli is a rare species of grass known by the common name Diablo Canyon bluegrass. It is endemic to San Luis Obispo County, California, where it is known from about five occurrences in the San Luis Mountains near the coast.
Every 3–7 days
Full sun to part shade
50–80°F
40–70%
At a glance
How do you care for Poa diaboli?
Water Poa diaboli every 3–7 days, letting the top layer of soil dry out between waterings, and give it full sun to part shade. It prefers temperatures of 50–80°F (10–27°C) and 40–70% humidity.
Where Is the Poa diaboli Native To?
What Is the Poa diaboli?
Poa diaboli (Poa diaboli) belongs to the Poaceae family within the Poa genus. Poa diaboli is native to San Luis Obispo County, California.
Poa diaboli displays a grass-like perennial growth habit, reaching up to 1 ft tall with a spread of approximately 0.5 ft. Poa diaboli produces small inconspicuous flowers in clustered spikelets.
Leaf size: approximately 12 inches.
How Often Should You Water a Poa diaboli?
Poa diaboli requires watering every 3–7 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 3–7 days
Let soil partially dry between waterings
What Light Does the Poa diaboli Need?
Poa diaboli thrives in full sun to part shade.
Light Requirement
Full sun to part shade
What Temperature and Humidity Does the Poa diaboli Prefer?
Poa diaboli grows best at temperatures of 50–80°F. Poa diaboli prefers humidity levels of 40–70%.
Temperature
50–80°F
Humidity
40–70%
What Soil Mix Works Best for a Poa diaboli?
Well-draining loamy soil with good fertility. Good drainage is essential for Poa diaboli to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Poa diaboli?
Divide clumps 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 Poa diaboli?
Poa diaboli can be propagated through division, seed.
Is the Poa diaboli Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Poa diaboli, 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 Poa diaboli?
Poa diaboli is susceptible to aphids, cutworms, 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 Poa diaboli Need?
Poa diaboli grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Poa diaboli is native to San Luis Obispo County, California. In cooler regions, grow Poa diaboli as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Poa diaboli 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 Poa genus (family Poaceae) — search all Poa species in the plant lookup.
Poa diaboli 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: Poa diaboli Soreng & D.J.Keil, family Poaceae (first published in Madroño 50: 306 (2003)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Poa diaboli, 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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