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The Daily Insight

Can you mix ornamental grasses

Author

Dylan Hughes

Published May 16, 2026

Mixing together different types of ornamental grasses creates a visually pleasing contrast in borders or unused areas of your yard. … Combining ornamental grasses with similar care needs makes the landscaped area low-maintenance with year-round curb appeal.

How far apart should ornamental grasses be planted?

Spacing: Space ornamental grass 1 to 3 feet apart depending on the variety. If you want your grasses to form a solid wall of greenery, plant closer together. Spreading grasses will fill in faster than clumping type grasses, so they can be planted further apart.

How do you plant grasses together?

If planting grasses in a container use a soil-based compost such as John Innes no 2. For a prairie-style planting, plant grasses and perennials together in drifts, in a sunny border. This creates a natural look, offering movement and colour throughout the season.

What grows well with ornamental grasses?

They also look great planted singly and add height beside a water garden or a a pretty backdrop for brightly colored perennials such as Black Eyed Susan, Coneflower, and Daylilies. Be sure to plant Maiden Grass in plenty of sun- they tend to become floppy if they receive too much shade.

Do ornamental grasses need to be divided?

All ornamental grasses should be divided when they are actively growing but not while they are flowering. If the plants are dormant when they are transplanted they won’t establish a good root system.

Where is the best place to plant ornamental grass?

Most ornamental grasses grow best in full sun, but a few varieties can tolerate (or even like) a bit of shade. Japanese forest grass, for example, is the top ornamental grass choice for shady areas and is easy to find at most garden centers.

Can grasses be divided?

Some grasses have tough roots that may require a sharp knife, saw or even an axe to split them apart. Small grasses, such as Hakonechloa, can be split by tearing lifted clumps apart by hand.

What should I plant in front of tall grass?

Companion Plants for Short Ornamental Grasses Alyssum — Annuals and perennials with lots of tiny flowers in several colors. Aster alpinus — Spring-blooming perennial with lavender-blue flowers. Campanula carpatica — Blue bellflowers on short plants. Perennial.

Are all ornamental grasses invasive?

All creeping grasses are considered at least somewhat invasive and some are so dominant that you shouldn’t even think of releasing them into a cultivated zone without surrounding them with an impenetrable barrier of some sort.

Can you plant different ornamental grasses together?

Ornamental grasses add height, beauty and texture to your yard, but you don’t need to stick with one variety when landscaping. Mixing together different types of ornamental grasses creates a visually pleasing contrast in borders or unused areas of your yard.

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What happens if you don't trim ornamental grass?

What Happens If You Don’t Cut Back the Ornamental Grasses? As mentioned above, you will find that the green is starting to grow through the brown. One problem that will create is that the brown will start creating seeds. Once grass has created seeds, there is a very good chance that the grass will die out.

When can I move ornamental grasses?

Late winter or early spring is the ideal time for dividing ornamental grasses. As soon as the soil is warm enough to work, they can be safely split. To ensure success, dig and divide plants while they are dormant or before they go beyond their first stages of spring growth.

How far back do you cut ornamental grasses?

The Easiest Way To Cut Back Ornamental Grass You should cut the grass 6-10 inches off the ground. We recommend using gloves, and in some case eye protection. Some grasses can have sharp edges, so some people will also wear long sleeved shirts to protect their arms.

Can pampas grass be divided?

Moving pampas grass or dividing it must be done early in the spring before any new growth has started. To begin transplanting pampas grass, the plants will first need to be pruned. … This also makes moving pampas grass an excellent time to divide the grass into smaller clumps, if desired.

Can you split fountain grass?

Learning how to divide ornamental grass is simple. Large clumps are best taken from the sides of a growing mound with a square tipped spade or shovel. You may dig the entire plant, split in half, and replant. If it’s been several years since division, you may divide into quarters.

Can you move ornamental grasses?

Ornamental grasses can be cut back in the fall or left up during the winter and cut back very early in the spring before new growth begins. … If you need to move your grass before next spring you can cut back the foliage and transplant it this fall. This is also a good time to divide the root ball if needed.

How do you split blue fescue?

Dig up a clump of blue fescue, making sure to dig wide enough to include the entire root ball of the plant. Divide the plant into smaller clumps by cutting the root sections apart with a sharp knife. Cut the division so there are at least two to three grass stems with each section.

Can you divide purple fountain grass?

You can best transplant and/or divide up the clump in the fall before dormancy or in the spring when the plant is beginning to re-grow.

What do you do with ornamental grass in the winter?

  1. Ornamental grasses can add to your winter landscape appeal, whether evergreen or dormant. …
  2. In most cases, don’t bother cutting back ornamental grass in fall; leave the dried blades on until late winter/early spring.

What kills ornamental grass?

Pour white vinegar into a spray bottle. Add two squirts of a mild dish soap. Close the lid tightly and shake the bottle to mix the ingredients. Spray the homemade weed killer directly on the ornamental grass.

Do you fertilize ornamental grasses?

Fertilizer. Ornamental grasses require relatively low levels of fertility. … Apply fertilizer just as growth resumes in the spring. An application of a slow release fertilizer such as Osmocote in the spring is enough to take care of the plant’s needs throughout the summer.

Why are ornamental grasses bad?

Grasses can shelter wildlife, brighten shady spots, lend height to borders and screen unwanted views. But some of these good guys of the garden have a dark side, too. Some ornamental grasses can become invasive, crowding out native and cultivated plants.

Which ornamental grasses dont spread?

  • Wavy hairgrass (Deschampsia flexuosa, Zones 2 to 7)
  • Tufted hairgrass (Deschampsia cespitosa, Zones 1 to 7)
  • Mexican feather grass (Nasella tenuissima, Stipa tenuissima, Zones 7 to 10)
  • Northern sea oats (Chasmanthium latifolium, Zones 4 to 7)
  • Switchgrass (Panicum virgatum, Zones 3 to 9)

How do you control Lilyturf?

Spray the cut creeping lily turf immediately with a 3 percent solution of glyphosate herbicide. Use a garden sprayer to cover a wider area quickly. Hold up a piece of cardboard as a backdrop while spraying to avoid spraying the herbicide onto neighboring plants.

How do you use ornamental grasses in landscape?

Ornamental grasses are very versatile when it comes to where to plant them. They can be used to anchor a landscape along with evergreens or trees. Another way to plant them is by using them continuously mixed in around a landscape to help achieve a cohesive look.

Are ornamental grasses perennials?

Most ornamental grasses are perennials, living for two or more years. Annual grasses live for only one growing season because of their natural growth habit or they are not hardy in our climate.

What are the tallest ornamental grasses?

Ravenna grass, (often referred to as ‘Pampas grass’ even though it’s technically a different variety) is one of the tallest ornamental grasses – the plumes can sometimes best ten feet in the garden.

Can you plant two grasses together?

Most grasses are a mix of more than one type, and each type serves a different function. … This way, if one of the grasses performs poorly in a section of the yard, the other grasses will keep the area covered. When mixing grass seeds, it’s best to incorporate all cool-season or all warm-season grasses.

Does ornamental grass need mulch?

Ornamental grasses need to be well watered their first year. The soil was fluffed up when you dug the hole, so it will dry out faster. The plant’s roots are not yet well-established and some of the roots were lost when the plant was dug up. … However, do not mulch right to the crown of the plant.

What grasses go with lavender?

Combined with other lavender varieties, lavender make good bedfellows for drought-busting plants like sage, ground-hugging thyme and statement plants like spiky-leaved phormiums, cordylines and agaves.

Can you move ornamental grasses in the summer?

The best time to transplant ornamental grass is in spring or early summer. Because of their slow root growth after midsummer, do not transplant after this time. To divide your ornamental grass plant and increase your supply, set the just-dug-up root ball on a hard surface.