Requiring very little care and providing striking color and graceful movement in the garden or patio, Pennisetum setaceum ‘Rubrum’ (Purple Fountain Grass) has become a real favorite among gardeners. Once the rubrum grass turns brown in the fall, you can cut it back to the ground whenever you would like as part of ornamental grasses care routine. This purple fountain grass rubrum is a warm-season grass.
Where temperatures get colder than 20 degrees F, the plants should be treated as annuals. ‘Rubrum’, sometimes commonly called purple or red fountain grass, is a burgundy-red leaved cultivar that rarely sets seed. Showy, fluffy, burgundy-purple flowers in bottlebrush-like spikes (to 12” long) top flower stalks that arch upward and outward above the burgundy-red foliage clump in summer. Rubrum, more commonly known as Purple Fountain Grass, is a great way to provide color to your landscape.
rubrum grass, Rubrum will produce rose red flower spikes from mid-Summer to Fall. 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. Pennisetum 'Rubrum' (red or purple fountain grass) is a deciduous ornamental grass offering summer through fall interest. 'Rubrum' is an extremely popular landscape plant for its burgundy red foliage and showy flowers. Purple fountain grass is an eye-catching ornamental plant known for its graceful, purplish flower spikes and long, burgundy leaves.
rubrum grass, It grows quickly and prefers to be planted in spring when it can receive at least partial sunlight. How to Grow and Care for Purple Fountain Grass - The Spruce
