Festuca is a plant genus comprising about 300 species of wild grasses. One species that is particularly popular among gardeners and landscapers is Festuca glauca. This ornamental plant is native to Europe and is commonly known as the blue fescue, because of its slender blades that appear bluish-gray. The color is due to a powdery cover that sticks to the grass when it blooms. It grows to 1 foot in height and spreads about 18 inches. The leaves are spiky and arching. Its compact form makes it an ideal plant for borders or edging material.
There are several things to consider when planting and growing the blue fescue. The condition of the soil, the climate, and certain pests or diseases can affect the health of Festuca glauca.
Climate
This ornamental grass thrives in hardiness zones 4 to 8. It prefers full sunlight, rather than partial shade. The color of this grass improves with more sunlight. The foliage tends to decline during hot, humid summers.
Soil Conditions
For optimum growth, it is recommended to plant this grass in well-draining soil Poorly draining soil will lead to root rot, which is a condition that deteriorates the structure and function of the plants root system.
Watering and Fertilizers
This plant will tolerate dry soil, so water it occasionally. Avoid over-watering this plant. Too much water will lead to poor growth.
Propagation
The best way to propagate this plant is by sowing seeds. Another option is to divide the plant into clumps by separating the roots. This becomes essential every two to three years since the center of this plant will die out.
Pests and Diseases
There aren’t any insects or microorganisms which are common to this plant species. These species of grass is naturally short-lived.
Reference:
Festuca glauca – Floridata
Festuca glauca – Missouri Botanical Garden