It is not necessary to prune because the blue fescue quickly reaches its adult size and it is by maintaining its natural form that it is prettier. Size and Appearance. Blue fescue, like the name implies, is a beautiful blue colored ornamental grass that is easy to grow.Growing in mounds a foot tall and equally wide, it can be planted in a corner of the garden on its own or edge a flowerbed to add a splash of color to the landscape. Good to know about blue fescue. Avoid cheaper varieties, or those just labelled ‘blue fescue’, as these will simply be seedling plants, that are notoriously variable, in size, color and vigor. Blue fescue is a cute little grass. One of the most beautiful and eye-catching of all ornamental grasses, 'Boulder Blue' fescue ( Festuca glauca ) thrives in almost any garden condition! 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. Sow in well drained soil and keep at around 20ºC (68ºF). Germinates in about two weeks Plant in moist, well-draining soil and full sun (coastal); should be protected from very hot, direct summer sun inland as it may burn. Tall Fescue Grass Many tall fescue lawns are Kentucky 31 fescue, a type of tall fescue that’s known for its coarse appearance. For a striking spring partnership, team blue fescue with Crocus chrysantha 'Blue Pearl' and 'Ladykiller', pink and red species tulips or deep-blue scillas. One of the best and most colorful of all Blue Fescue varieties, Festuca glauca 'Elijah Blue' is a wonderful dwarf ornamental grass, mostly grown for its superb, evergreen, bright silver-blue foliage. The mature size of this grass is fairly predictable—usually 2 to 5 feet tall and 2 to 4 feet wide. Sowing: Sow in Spring, February to April Festuca glauca germinates easily from seed sown in spring. A summary of blue fescue facts. Our plants of the Elijah Blue Fescue are derived from the original named selection – one top-quality plant selected from among thousands of seedlings. Very pretty grass, the blue fescue has the advantage of offering a very beautiful foliage in steel blue hues, persistent and colorful. Common name: Tufted Fescue Description: cool season; clump forming Foliage blue-green, very narrow; 20-30 cm (8-12") Flowers June; 30-45 cm (12-18") Easy to care for, it doesn’t require any pruning and it gives us a beautiful hue for an ornamental flower bed. Discovered in Colorado, Boulder Blue has a much brighter steel-blue foliage color than the more commonly available 'Elijah Blue'. Do not water excessively during the summer. Festuca glauca 'Azurit' (Azure Blue Fescue) - A low growing evergreen clumping grass that grows to 12 inches tall with fine-textured blue-silver foliage. 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