The new and distinct cultivar of ornamental, winter-hardy, blue fescue plant, Festuca glauca ‘Blue Whiskers’, with highly-vigorous, clumps of tight, full, rounded habit of strong stems and foliage, consistent flower coverage, intensely silver-blue, linear, evergreen foliage retained throughout the year, upright habit of strong erect stems, long flowering season of large, densely-arranged, lavender-blue flowers on short branched stems.