Blue fescue, advice on caring for it

Blue fescue festuca glauca

Blue fescue is a cute little grass.

A summary of blue fescue facts

Name – Festuca glauca
Family – Poaceae
Type – perennial, grass

Height – 12 to 20 inches (30 to 50 cm)
Exposure – full sun
Soil – ordinary

Foliage – evergreen
Flowering – June to July

Easy to care for, it doesn’t require any pruning and it gives us a beautiful hue for an ornamental flower bed.

Planting blue fescue

Planting blue fescuePlant preferably in fall or spring.

Avoid periods of freezing to plant, and water regularly during the first weeks after planting, to ensure proper root growth.

You’ll notice that those planted in full sun tend to have stronger blue and silvery hues. They also bloom more. In part shade, leaves are green and blooming is sparse.

As for hardiness, blue fescue can tolerate extreme colds: USDA zone 4 and UK zone H7+. This means it survives the cold down to -30° F (-35° Celsius).

Caring for blue fescue

Close-up of the center of a blue fescue grass clump.Care is very easy and blue fescue doesn’t require any care at all, except perhaps for watering during sweltering heat and in the first few weeks after planting.

It will grow back after a drought, though it may have to replace all its leaves.

Adaptive to soil types with a great diversity of compositions, blue fescue is hardy and fears practically no disease at all.

Pruning it isn’t required, because blue fescue quickly reaches its mature size, and simply keeping it in its natural shape is how it looks nicest.

Propagating blue fescue

To multiply your clump of blue fescue, simply run a sharp spade along the middle of the clump and pull one half out. This is called crown division.

  • Fall or spring are the best seasons to multiply your blue fescue.

Propagating blue fescue

Blue fescue clumps have an average lifespan of about four years. You can propagate them after that to keep the center lush and green, since older clumps tend to grow sparse in there.

If you aim to cover a field or area, simply let your blue fescue go to seed and it would spread from seed.

  • They will sprout in spring.

All there is to know about blue fescue

Trimmed blue fescue bunch with mineral mulch around it made from smooth river stones.A very cute grass, blue fescue has the advantage of offering very beautiful foliage with steel blue hues, persisting in all seasons.

Growing it is very easy and it requires practically no care.

Today, it is one of the favorite grasses for garden decoration and appeals to many with its rarely seen blue tones.

Blue fescue varieties

These varieties in particular stand out:

  • ‘Sea Urchin’: very dense growth, pale blue-green color
  • ‘Elijah blue’: more wispy appearance, dark turquoise-green color
  • ‘Cool as Ice’: silvery color, grows taller than others (1½ feet or 45 cm)
  • ‘Behond Blue’: more heat-resistant, better for warmer regions

Read also:

Smart tip about blue fescue

Pairing such grasses with mineral mulch is an instant success.

Landscaping with blue fescue


Image credits (edits Gaspard Lorthiois):
adobestock/: v_blinov
CC BY-NC 2.0: Kristin Marie Enns-Kavanagh
CC BY-NC-ND 2.0: John Gevers
CC BY-NC 4.0: dan665, Clara Robbins