Pennisetum Black Arrow is a brand new Fountain Grass from Knoll Gardens and is a selection from our trials of Pennisetum alopecuroides seedlings. It is named for its impressive heads of large, cylindrical, dark and fluffy flowers that have a distinctively tapered, arrow like tip and which appear in great quantity from rounded mounds of bright green foliage during high summer onwards.
As with other Knoll Gardens selections Pennisetum Black Arrow has been undergoing trials both in the garden and on the nursery for some years. It has proved itself to be a highly attractive, healthy and reliable performer, and so we are delighted to now offer it for sale to UK gardeners.
Like all fountain grasses, Pennisetum Black Arrow is happiest in a full sun position with average to dry soils. It is long lived and trouble free but can benefit from an occasional division if and when needed. Pennisetum Black Arrow is deciduous and will retain its shape for the winter, only requiring the old foliage to be cut to the ground each spring once the worst of the winter weather is past.