Red Fountain Grass – Complete Guide to Grow & Care

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Red fountain grass, also known as Pennisetum setaceum ‘Rubrum’, is a stunning ornamental grass with reddish-purple leaves and feathery pink flower spikes. It is a popular choice for adding color and texture to gardens, landscapes, and containers. In this complete guide, we will discuss everything you need to know about growing and caring for red fountain grass.

Planting Red Fountain Grass

Red fountain grass is a warm-season grass that thrives in full sun and well-drained soil. It can grow up to 3 to 4 feet tall and 2 to 3 feet wide, so make sure to plant it in an area that has enough space for it to grow. When planting red fountain grass, dig a hole that is slightly larger than the root ball and add some compost or organic matter to the soil. Water the plant thoroughly after planting to help it establish.

Watering Red Fountain Grass

Red fountain grass needs regular watering to thrive, especially during hot and dry weather. Water the plant deeply once a week or whenever the top inch of soil feels dry. Avoid overwatering, as this can cause the roots to rot. If you are growing red fountain grass in a container, make sure it has drainage holes to prevent waterlogging.

Fertilizing Red Fountain Grass

Red fountain grass does not require much fertilizer, but you can feed it with a balanced fertilizer once or twice a year to promote healthy growth and vibrant color. Apply the fertilizer in early spring and midsummer according to the package instructions. Avoid using high-nitrogen fertilizers, as they can promote leaf growth at the expense of flower production.

Pruning Red Fountain Grass

Red fountain grass does not require much pruning, but you can trim it back in late winter or early spring to remove any dead or damaged leaves and promote new growth. You can also prune the plant to maintain its size and shape. Use sharp and clean pruners to make clean cuts and avoid damaging the plant.

Propagating Red Fountain Grass

Red fountain grass can be propagated by division or from seed. To propagate by division, dig up the plant in early spring or late fall and separate the clumps into smaller sections with roots and shoots. Plant the divisions in well-drained soil and water them thoroughly. To propagate from seed, sow the seeds in early spring in a seed-starting tray and keep them moist and warm until they germinate. Transplant the seedlings into individual pots or directly into the ground after the last frost.

Common Problems with Red Fountain Grass

Red fountain grass is generally pest and disease-free, but it can be susceptible to root rot and fungal diseases in wet and humid conditions. To prevent these problems, make sure to plant red fountain grass in well-drained soil and avoid overwatering. You can also treat the plant with a fungicide if necessary. Red fountain grass can also self-seed and become invasive in some areas, so make sure to keep an eye on it and remove any unwanted seedlings.


Red fountain grass is a beautiful and easy-to-grow ornamental grass that adds color and texture to gardens and landscapes. By following the tips and guidelines in this complete guide, you can grow and care for red fountain grass successfully and enjoy its stunning beauty for years to come. Whether you plant it in a container or in the ground, red fountain grass is sure to be a standout feature in your garden.Continue

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