Pennisetum Setaceum Rubrum Purple Fountain Grass 4 5 Types of pennisetum . pennisetum setaceum ‘rubrum’: known as purple fountain grass, this variety is famous for its deep purple foliage and soft purple and tan blooms. this is a tender perennial that grows in zones 9 11 but is often used as an annual. Graceful grasses ® purple fountain grass (pennisetum setaceum ‘rubrum’) is an annual fountain grass with a densely clumped habit, deep bronze purple foliage and arching flower plumes in shades of tawny rose red. this fast growing medium sized variety can be used in containers as an upright thriller element or massed in beds and borders.
Pennisetum Setaceum Rubrum Purple Fountain Grass 4 5 Fast grower, purple fountain grass typically grows in 3 5 ft. tall (90 150 cm) and 2 4 ft. wide (60 120 cm) rounded mounds. they are topped with soft, fluffy, red burgundy flower plumes on arching stems from mid summer until frost. quite long – over 1 ft. (30 cm), the purplish flower spikes are succeeded by burgundy or purplish tinged seed heads. Before your plants begin their new season of growth, usually in late winter or early spring, cut them back at 4 to 6 inches (10 15 cm) above the soil level. if your plants have an overall messy look, however, you can also remove any dead leaves at any time of the year. pennisetum setaceum ‘rubrum’. Pennisetum x advena ‘rubrum’ with its deep purple leaves and long, colorful flower spikes, purple fountain grass is among the loveliest of the ornamental grasses. alas, its beauty is fleeting. hardy in zones 9 to 11, p. x advena ‘rubrum’ is grown as an annual in most of the united states. Pennisetum setaceum 'fireworks': one cultivar of the purple fountain grass species, this plant has variegated leaves with burgundy in the middle and hot pink at the edges. p. alopecuroides 'burgundy bunny': a cultivar of a relatively cold hardy species of fountain grass in the pennisetum genus, this variety stands 16 inches tall. the foliage.
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