Atlas fescue
Festuca mairei ·
A large, neat, evergreen mound of narrow, grey-green leaves with slender flower stems in early summer. It comes from the Atlas mountains and tolerates heat and drought.
- Size
- 2½ ft tall, 2½ ft wide
- Zones
- 5 to 10
- Light
- Full sun
- Flowers
- Late May to late June
- Pets
- Not checked
- Job in a bed
- Drift
A bed built around Atlas fescue
The planner designed this bed around Atlas fescue when this page was made: a 12 × 6 ft (3.7 × 1.8 m) naturalistic planting in zone 6, full sun. It chose the other plants from the 715 that suit those conditions and its dry soil, and says below why Atlas fescue stands where it does.
The plants
- 1 Atlas fescue × 3, tan
- 2 Cheddar pinks 'Firewitch' × 6, pink
- 3 Leadwort × 15, blue
- 4 Brown-eyed Susan × 3, yellow
- 5 Silver sage × 1, silver leaves
- 6 English lavender 'Hidcote' × 3, purple
- 7 Allium 'Mount Everest' × 4, white
- 8 Tulip 'Apeldoorn' × 3, red
Why this plant
- The bed's only structure. Shrubs and grasses keep their shape when the perennials die down, and it is the only one here.
- Part of the matrix. The low fabric of grasses and groundcovers that the taller plants come up through.
- The only plumes. The others are dense clusters, daisies, spires and others. Shape reads at a distance, where colours blur.
Why here
- At the back. At 2½ ft it is seen over English lavender 'Hidcote' (18 in) in front of it, and has nothing behind it to hide.
- A step in the back row. Next to allium 'Mount Everest' (3½ ft): no two neighbours there are the same height, so the back steps up and down like a skyline.
- 3 plants in one group. Massed, one kind reads as a single shape. Scattered, it would look spotty.
Why now
- In flower for five weeks. From late May to late June.
- Part of the bed's peak. With Cheddar pinks 'Firewitch' and allium 'Mount Everest' in late May: 3 kinds at once. No week has more.
- One of three evergreens. They are what the bed has to show from November to March.
Planned as a naturalistic planting: low grasses and groundcovers, the matrix, make up 55% of the planted ground. The most in flower at one time is 3 kinds, from late May. When the flowers are over, three kinds, among them Atlas fescue and Cheddar pinks 'Firewitch', keep the bed from looking bare.
The planner's own design check: 9 Excellent, 8 Good. It flags one thing to watch: Nothing on this plan is highly poisonous or an aggressive spreader.
Open this bed in the planner Change its size, the sun or the style, move plants about, or swap one for another.
Where Atlas fescue goes in a border
At 2½ ft it belongs in the middle of a bed. In the planner's ten height classes it is medium (24 in to 2½ ft).
Its job: drift. Planted in a small group of three or five, and repeated further along in the other number.
It keeps a tidy, rounded shape all year, which is rare in a grass. Its soft, grey-green dome is a restful background for brighter plants.
- Evergreen structure in dry gardens
- Massing on slopes
- A larger alternative to blue fescue
What to plant with Atlas fescue
Plants recorded as good partners for it, and what each pairing does:
- English lavender 'Hidcote': in flower together for two weeks, from late June; spires rising out of its mound; low enough (18 in) to stand in front of it.
- Russian sage: takes over when it finishes, flowering from mid July; spires rising out of its mound; tall enough (4 ft) to stand behind it.
- Sedum 'Autumn Joy': carries the spot on into mid October; bold leaves against its fine ones; happy in the same dry soil.
Questions about Atlas fescue
Does Atlas fescue need sun or shade?
Atlas fescue grows in full sun (6 or more hours of direct sun a day).
It wants dry, sharply drained soil, on the lean side, with no feeding, and little watering once settled.
What zones does Atlas fescue grow in?
USDA zones 5 to 10. It is hardy to zone 5, which means it survives winter nights down to about −10 °F (−23 °C).
Gardening in Canada? Use the USDA zone for your town: Canada's own zone map uses different numbers.
When does Atlas fescue flower in my zone?
In zone 5 it flowers late May to late June. As a spring flower it moves about a week for every zone: earlier where it is warmer, later where it is colder.
| Zone 5 | Late May to late June |
|---|---|
| Zone 6 | Late May to late June |
| Zone 7 | Mid May to late June |
| Zone 8 | Early May to late June |
| Zone 9 | Early May to mid June |
Worked out from Hopkins' bioclimatic law: spring arrives about four days later for each degree of latitude north, and one zone is roughly two degrees. A warm spring or a cold one moves any garden two weeks either way.
How far apart should Atlas fescue be planted?
24 in (60 cm) apart, from the middle of one plant to the middle of the next. That is a little closer than its full width of 2½ ft (75 cm), so a group knits into one patch.
It grows 2½ ft (75 cm) tall. Give it the full distance from anything taller, or it will lean out towards the light.
How many Atlas fescue plants do I need?
At 24 in apart, set out in staggered rows:
- 3 to fill 10 square feet (about 1 m²)
- 6 for a single row 10 ft (3 m) long
- 10 to fill a 4 × 8 ft bed on its own
In a mixed border, plant it as a group of three or five, with a second group further along in the other number.
In the bed above, the planner used three in one group.
Is there a native plant like Atlas fescue?
Atlas fescue is not native to North America. These North American natives come closest to doing its job:
- Prairie dropseed: the same job in a bed, the same size and the same colour; flowers mid August to mid September, not evergreen.
- Blue grama 'Blonde Ambition': the same job in a bed and the same size; flowers mid July to mid October, cream, not tan.
- Little bluestem 'The Blues': the same job in a bed and the same colour; 6 in taller, 8 in narrower.
Matched the way the planner's Swap button matches plants: the same job in a bed, then size, then flowering time.
What flowers after Atlas fescue?
Atlas fescue is over by late June. These start as it finishes and carry the same spot on, so it never goes flat:
- English lavender 'Hidcote': from late June to late July, 18 in tall, to stand in front of it and cover its fading stems (a recorded partner).
- Russian sage: from mid July to mid September, 4 ft tall (a recorded partner).
- Black-eyed Susan: from mid July to mid September, 24 in tall.
What does Atlas fescue look like in winter?
Atlas fescue keeps its grey-green leaves all winter, so it is one of the plants that hold a bed together from November to March, when the perennials have gone.
More Festuca
- Blue fescue Festuca glauca
- Blue fescue 'Elijah Blue' Festuca glauca 'Elijah Blue'
In these guides
Every fact on record
- Type
- Grass
- Size
- 2½ ft (75 cm) tall, 2½ ft (75 cm) wide
- Plant
- 24 in (60 cm) apart
- Height class
- Medium (24 in to 2½ ft)
- Place in the bed
- Middle
- Flowers
- Late May to late June; feathery plumes; tan
- Leaves
- Fine texture, evergreen; grey-green
- Shape
- Mounding, clumping
- Hardy in
- USDA zones 5 to 10
- Light
- Full sun
- Soil
- Lean, dry and sharply drained
- Water
- Low
- Feeding
- None needed
Not yet checked against an outside reference: its figures rest on general horticultural knowledge. Flowering times are for zone 5: later in colder zones, earlier in warmer ones. Toxicity and spread information is a general gardening guide, not veterinary or medical advice, and invasive status varies by region. If a person or pet eats a plant, contact poison control or a vet. Check your local invasive species list before planting anything with a spread warning.