This vigorous grape hyacinth produces flower spikes topped with conical clusters of cobalt blue bell shaped flowers once planted muscari armeniacum requires virtually no further attention and will happily look after itself this delightful rhs agm variety is ideal for creating carpets of spring colour that will return year after year throughout rockeries woodlands and cottage garden borders height 20cm 4083441 spread 5cm 4023441useful linkshow to plant bulbs corms an