Photo: Pavel KaclCC BY 4.0via iNaturalistresized / cropped
Blue Moor Grass Plant Care
Sesleria caerulea (L.) Ard.
Updated · Sources · How we source care data
This grass species is easily recognized by its striking blue-green foliage, making it a standout addition to any garden. Originally hailing from the mountains of Europe, Sesleria caerulea is sought after by plant collectors for its unique color and ability to thrive in a variety of conditions. Its graceful, fountain-like leaves create a beautiful textural contrast in mixed plantings.
Every 7–14 days
Full sun to part shade
50–80°F
40–70%
At a glance
How do you care for Blue Moor Grass?
Water Blue Moor Grass every 7–14 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. Fertilize it every 8 months during the growing season.
Where Is the Blue Moor Grass Native To?
- Albania
- Austria
- Belarus
- Belgium
- Bosnia and Herzegovina
- Bulgaria
- Croatia
- Cyprus
- Czechia
- Denmark
- Estonia
- Finland
- France
- Germany
- Greece
- Hungary
- Iceland
- Ireland
- Italy
- Latvia
- Lithuania
- Luxembourg
- Malta
- Moldova
- Montenegro
- North Macedonia
- Norway
- Poland
- Portugal
- Romania
- Russia
- Serbia
- Slovakia
- Slovenia
- Spain
- Sweden
- Switzerland
- The Netherlands
- Ukraine
- United Kingdom
What Is the Blue Moor Grass?
Blue Moor Grass (Sesleria caerulea) belongs to the Poaceae family within the Sesleria genus. Blue Moor Grass is native to Europe. Blue Moor Grass is also known as Moor Grass.
Blue Moor Grass displays a clumping grass-like growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Blue Moor Grass produces small inconspicuous flowers on tall stems.
Leaf size: approximately 12 inches.
How Often Should You Water a Blue Moor Grass?
Sesleria caerulea 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 Blue Moor Grass Need?
Blue Moor Grass thrives in full sun to part shade.
Light Requirement
Full sun to part shade
What Temperature and Humidity Does the Blue Moor Grass Prefer?
Sesleria caerulea grows best at temperatures of 50–80°F. Blue Moor Grass prefers humidity levels of 40–70%.
Temperature
50–80°F
Humidity
40–70%
What Soil Mix Works Best for a Blue Moor Grass?
Well-draining sandy loam with good organic content. Good drainage is essential for Blue Moor Grass to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Blue Moor Grass?
Feed Blue Moor 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 Blue Moor Grass?
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 Blue Moor Grass?
Blue Moor Grass can be propagated through division, seed. Similar propagation techniques also apply to autumn moor grass plant care, which shares the same genus.
Is the Blue Moor Grass Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Blue Moor 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 Blue Moor Grass?
Blue Moor 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 Blue Moor Grass Need?
Blue Moor Grass grows outdoors in USDA Zone 4a – 9b. It survives winters down to planting zone 4a. Blue Moor Grass is native to Europe.
Hardiness Zone
Zone 4a – 9b
Keep exploring plants
Blue Moor 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 Sesleria genus — compare its care with other Sesleria species on PlantoScan.
Sesleria is part of the Poaceae plant family — browse all Poaceae genera and species.
Blue Moor Grass thrives in bright light and direct sun — see other bright-light plants.
More Sesleria Species
Other Sesleria species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Sesleria caerulea (L.) Ard., family Poaceae (first published in Animadv. Bot. Spec. Alt. : 18 (1764)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Blue Moor 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.
- Photo: Pavel Kacl, CC BY 4.0, iNaturalist — original.
- Hardiness zone: USDA Zone 4a – 9b, 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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