Also known as blue fescue this hardy perennial grass forms dense tufts of very fine silver45blue leaves creating a soft texture when planted en masse short spikes of flowers emerge in midsummer which fade to a light straw colour with its mediterranean origins festuca glauca 39elijah blue39 is fantastic for dry sunny borders rock gardens coastal gardens and patio containers where its striking architectural qualities can be used to great effect festuca glauca is tough and easy t