Festuca glauca 'Casblue' INTENSE BLUE® blue fescue
size/type
low perennial,low perennial
usual height
0,2-0,4m
usual width
0,2-0,3m
leaves
evergreen broadleaf
colour of leaves
flowers
less showy but noticeable
location
full sun
USDA zone (lowest)
4 (down to -34°C)
winter protection
for zone 5+6
for zone 7
categorized
Blue fescue is an attractive perennial – grass forming low mounds of short, thin foliage of various shades of blue colour. It grows only about 20 cm tall but in summer is overgrown by about 40 cm tall stems with light beige spikes of flowers. They can be removed at any time if blue foliage is the key feature in your landscape design.
Description of the plant:
INTENSE BLUE® is a blue fescue of a striking colour. It was bred by Allure Tuinplanten and Amigra from the Netherlands. It was found in 2005 and introduced three years later. The plant makes well-behaved, symmetrical, extremely dense tufts of silvery blue foliage. Their colour literally calls for combination with red, yellow, and fresh green plants of similar dwarf habit (leucothoe, hebe, hakonechloa, or ground-covering junipers). We recommend dark background such as lush brown pine bark mulch rather than light coloured gravel where plant's colour might not do it any justice. Blue fescue also looks adorable in a handsome pot where its fine foliage slightly arches over the pot's edge. Blue fescue is evergreen, however, after a bad winter some of older foliage might be exhausted and unsightly. Do not cut the whole tuft but gently comb them out to make room for new leaves which emerge quickly after your help.
Fescue is not as easy to grow as it might look. It is very picky about soil – it needs to be free draining, preferably poor, of neutral or acidic pH rather than strong alkaline. Wind or hard frosts don’t matter if the ground is dry in winter. Place it in full sun and divide older clumps in early spring to avoid dying off from the centre. Under ideal conditions it is hardy to about -34°C (USDA zone 4).
Last update 21-10-2018
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GLOSSARY
- STANDARD QUALITY - Plants of this group are 1st class quality with number of branches and overall density adequate to their size and age, considering they were container grown.
- DE LUXE QUALITY - This label guarantees a luxurious quality of manually selected plants that, compared to their height and age, are exceptionally dense and beautiful.
- EXTRA - These plants are usually mature and bigger specimens with exceptional overall appearance.
- STANDARD (as described in the plant form) means a tree with a trunk of 190-210 cm and a crown at the top, unless specified differently. The commercial size for trees is their girth measured in the height of 1m from ground.
- HOBBY - These plants are of the same quality as our standard-quality plants but younger and therefore cheaper.
- SHRUB - a woody plant with branches growing bushy from the ground level.
- HALF-STANDARD or MINI-STANDARD - a small tree with shorter trunk, its size is usually specified.
- FEATHERED - These are trees with branches growing already from the base of the trunk and up along the stem.
- GRASSES and PERENNIALS - Sizes given usually read the diameter of the pot or the clump, as specified.
