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Best Ornamental Grasses to Elevate Your Landscape Design

Published on
October 21, 2024
Best Ornamental Grasses to Elevate Your Landscape Design
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Bringing Plants Indoors Q&A

Q: What is the best time to bring outdoor plants indoors?

A: It’s generally best to bring your outdoor plants indoors before the first frost of the year. For most regions, this is typically in late fall. However, the optimal timing can vary depending on your specific climate and the types of plants you have. Start monitoring the weather forecasts as temperatures begin to drop, and prepare to bring your plants inside for the winter months.

Q: How can I prepare my outdoor plants for indoors?

A: Before you bring your outdoor plants indoors, it's important to prepare them by closely inspecting for any signs of pest infestations, such as spider mites or aphid problems. You can spray them with water to remove any pests and dirt. Additionally, consider using insecticidal soap if you notice a significant problem. It’s also a good idea to repot the plants if they have outgrown their current pot.

Q: How do I acclimate my plants when bringing them indoors?

A: Acclimating your plants is crucial for their health when transitioning from outside to indoors. Start by placing them in a shaded area for a few days, gradually introducing them to lower light conditions. This process helps them adjust to the lower light levels they will encounter indoors. Monitor your plants closely for any signs of stress during this period.

The Benefits of Composting Q&A

Q: What is the difference between backyard composting and using composting facilities?

A: Backyard composting is a DIY approach where you manage compost in your own yard using kitchen scraps, yard waste, and other organic materials. It’s a great way to create healthy soil and reduce waste at home. Composting facilities, on the other hand, are larger, industrial operations where organic waste from cities or businesses is processed on a bigger scale. These facilities handle tons of waste from the broader waste stream, making a significant impact on environmental protection by diverting large amounts of material from landfills and reducing greenhouse gases that contribute to climate change. While both options are beneficial, backyard composting gives you the satisfaction of seeing your waste turn into rich compost right in your garden, whereas composting facilities take on a larger, community-wide role.

Q: How does composting help prevent soil erosion?

A: Composting plays a crucial role in reducing erosion by improving soil structure. When you add compost to your garden, it acts as a natural soil amendment, increasing the soil’s ability to hold moisture and bind together. Healthy soil created from compost is more resilient and better able to withstand the effects of wind and water, which are major causes of erosion. This is especially important in areas prone to heavy rains or droughts. Plus, by enriching your garden with compost, you’re contributing to environmental protection—less eroded soil means less sediment runoff into water systems, keeping ecosystems healthier.

Q: How does composting benefit the environment in the fight against climate change?

A: Composting is a simple yet powerful way to combat climate change. When organic materials decompose in landfills, they release methane, a potent greenhouse gas. By composting, either in your backyard or through composting facilities, you’re keeping food scraps and yard waste out of landfills and diverting them into a process that creates nutrient-rich compost instead. This not only helps reduce methane emissions but also produces healthy soil that can improve plant growth and reduce the need for synthetic fertilizers. Compost acts as a natural soil amendment, locking carbon into the ground and helping with long-term environmental protection. So, by composting, you're contributing to a healthier planet!

Best Ornamental Grasses Q&A

Q: What’s the difference between ornamental grass and sedge?

A: Ornamental grasses and sedges are often mistaken for each other, but they belong to different plant families. Sedges generally have triangular stems and are typically found in moist environments, while ornamental grasses have round, hollow stems. Both can add texture to the garden, but sedges are often better suited for wetter areas, whereas ornamental grasses thrive in a variety of conditions. Some sedges, like the popular Carex varieties, are evergreen and can provide year-round interest, unlike most ornamental grasses that may die back in the winter.

Q: 2. Are any ornamental grasses evergreen?

A: Yes! While many ornamental grasses die back in the winter and reemerge during the growing season, a few are evergreen or semi-evergreen. For example, Black Mondo Grass and some sedges, like Carex, maintain their foliage year-round. Evergreen grasses are great for adding winter interest to the garden, providing color and texture even in the colder months.

Q: 3. How long is the growing season for ornamental grasses?

A: The growing season for ornamental grasses depends on the variety and the climate. Most perennial ornamental grasses begin growing in the spring, peak during the summer, and offer their best show of color and texture in the fall. By winter, many grasses go dormant, only to return the next year. However, evergreen grasses, like Carex and Black Mondo Grass, don’t have a true dormant period and remain lush throughout the year, even during the off-season.

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Best Ornamental Grasses to Elevate Your Landscape Design

Discovering ornamental grasses felt like unlocking a secret corner of gardening. These plants have a way of adding texture, height, and movement in a way that flowers sometimes can’t and with their subtle textures and swaying forms, they bring a calm, natural look to any garden. They’re not the most obvious choice when planning a garden, but trust me—once you start using them, you’ll find they tie everything together beautifully.

13 Best Ornamental Grasses For your Landscape

Best ornamental grasses infographic: feather reed grass, fountain grass, japanese forest grass, maiden grass, blue oat grass

So, let’s explore different varieties of perennial ornamental grasses and see which ones might suit your style.

1. Feather Reed Grass (Calamagrostis x acutiflora)

Feather Reed Grass (Calamagrostis x acutiflora) grass thriving outdoors

Feather Reed Grass is a classic choice for adding vertical interest to your garden. You'll love its neat, upright form, which stays strong even when the wind picks up. It grows tall—around 4 to 6 feet—making it perfect for borders or as a backdrop for shorter plants. The feathery plumes start off green in early summer, turning to a warm golden hue as the seasons shift to fall. It’s the kind of grass that provides year-round interest, as it looks striking even in winter with a dusting of frost.

Quick Tips

Water: Water deeply once a week, especially during dry spells.

Soil: Prefers loamy, well-drained soil with a neutral pH.

Light: Needs 6–8 hours of full sun daily.

Temp: Thrives in temperatures between 15°C to 30°C (60°F to 85°F).

Humidity: Prefers moderate humidity; thrives in open garden beds where air circulates well.

2. Japanese Forest Grass (Hakonechloa macra)

Japanese Forest Grass (Hakonechloa macra) in a civilized area by some chairs

Japanese Forest Grass is one of my personal favorites for adding a soft, flowing texture to shady spots in the garden. Its lime-green leaves cascade gracefully, giving it a gentle, almost waterfall-like appearance. Over time, it can reach about 1 to 2 feet tall, and in the fall, the leaves turn a stunning golden-yellow. It’s not the fastest grower, but its slow, steady development is worth the wait, especially in shaded or woodland gardens. This grass is perfect if you want to brighten up a dark corner with some subtle elegance.

Quick Tips

Water: Keep the soil consistently moist but not soggy; water 2–3 times a week.

Soil: Thrives in rich, well-draining soil with plenty of organic matter.

Light: Prefers 4–6 hours of filtered sunlight or partial shade.

Temp: Ideal temperatures range from 10°C to 25°C (50°F to 77°F).

Humidity: Enjoys higher humidity; perfect for moist, shaded woodland gardens.

3. Blue Oat Grass (Helictotrichon sempervirens)

Blue Oat Grass (Helictotrichon sempervirens) outdoors thriving

Blue Oat Grass is a standout with its spiky, blue-grey foliage that gives it a unique, almost metallic look. Growing up to 2 to 3 feet tall, it adds a modern, structured feel to rock gardens, borders, or even large containers. The plant produces delicate, oat-like flowers in early summer that rise above the foliage, adding a bit of extra height and movement. If you’re looking for a hardy, low-maintenance plant that’s a bit different from the usual green, Blue Oat Grass is a great option.

Quick Tips

Water: Water moderately, allowing the soil to dry between waterings—about once a week.

Soil: Best in sandy or rocky, well-drained soil.

Light: Requires 6–8 hours of full sun for optimal growth.

Temp: Grows well in temperatures of 15°C to 30°C (60°F to 85°F).

Humidity: Prefers low to moderate humidity; thrives in open, well-ventilated spaces.

4. Fountain Grass (Pennisetum alopecuroides)

Fountain Grass (Pennisetum alopecuroides) thriving outdoors

Fountain Grass is a gorgeous ornamental grass that really lives up to its name. It has arching plumes that resemble a fountain of fluffy flowers, adding movement and grace to the garden. Growing up to 3 feet tall, it’s perfect for adding texture to borders, containers, or along pathways. The plumes start off a soft pinkish color and gradually turn tan as the season progresses. I recommend planting it in spots where the wind can catch it, so you can watch the plumes dance in the breeze.

Quick Tips

Water: Water deeply once a week; more often in extremely hot weather.

Soil: Prefers well-drained soil, tolerating poor conditions.

Light: Needs 6–8 hours of full sun to produce the best blooms.

Temp: Thrives in temperatures from 20°C to 35°C (68°F to 95°F).

Humidity: Tolerates low humidity; great for sunny, drought-tolerant gardens.

5. Maiden Grass (Miscanthus sinensis)

Maiden Grass (Miscanthus sinensis) thriving outdoors

Maiden Grass is a tall, elegant ornamental grass that can reach heights of up to 6 feet. Its arching leaves and feathery plumes create a graceful effect in the garden. The plumes, which appear in late summer, shift from a silvery color to a beautiful bronze by fall, adding seasonal interest. Maiden Grass is one of those plants that looks great in large spaces where it can really show off its size and movement. I love using it as a focal point or a privacy screen in the garden.

Quick Tips

Water: Water once a week, ensuring the soil is moist but not soggy.

Soil: Grows best in well-drained, fertile soil with a neutral pH.

Light: Requires 6–8 hours of sunlight daily.

Temp: Thrives in temperatures of 15°C to 30°C (60°F to 85°F).

Humidity: Prefers moderate humidity; ideal for garden beds that get some afternoon shade.

6. Pampas Grass (Cortaderia selloana)

Pampas Grass (Cortaderia selloana) thriving outdoors in a field

This perennial grass is known for its dramatic, fluffy plumes that can reach up to 10 feet tall. If you want a plant that makes a bold statement, this is the one. Its large, feathery blooms tower above its sharp-edged green leaves, creating a striking visual impact. It’s drought-tolerant and fairly easy to care for, but be warned—it can grow quite large, so make sure you’ve got enough space for this beauty to spread out.

Quick Tips

Water: Water weekly; more frequently in extremely dry periods.

Soil: Prefers well-drained, sandy soil but can tolerate a range of soils.

Light: Needs full sun for at least 6–8 hours a day.

Temp: Grows well in warm climates, around 20°C to 35°C (68°F to 95°F).

Humidity: Thrives in moderate to low humidity; ideal for coastal gardens.

7. Little Bluestem Grass (Schizachyrium scoparium)

Little Bluestem Grass (Schizachyrium scoparium) out in a garden thriving

Little Bluestem is a native grass that’s perfect for adding seasonal color to your garden. Its blue-green foliage turns a beautiful red-orange in the fall, providing stunning color contrast. Reaching about 2 to 4 feet tall, it’s a compact and drought-tolerant grass, making it ideal for prairie-style gardens or low-water landscapes. It’s also a great option for gardeners looking to attract wildlife, as its seeds provide food for birds in the winter.

Quick Tips

Water: Water sparingly; this grass is drought-tolerant once established.

Soil: Thrives in dry, well-drained soils; sandy or rocky types are ideal.

Light: Requires full sun, at least 6 hours daily.

Temp: Grows best in temperatures of 15°C to 30°C (60°F to 85°F).

Humidity: Prefers low humidity; excellent for open meadows or dry garden beds.

8. Pink Muhly Grass (Muhlenbergia capillaris)

Pink Muhly Grass (Muhlenbergia capillaris) outdoors in a civilized area thriving

Pink Muhly Grass is an absolute showstopper in the fall, with its soft, cloud-like pink plumes that float above its green foliage. This grass grows about 3 feet tall and adds a whimsical, almost dreamlike quality to gardens. It’s perfect for mass plantings or as a focal point in borders and looks stunning when the sun shines through its delicate pink flowers. I have a few patches of Pink Muhly Grass near a seating area in my garden, and it never fails to spark compliments from visitors.

Quick Tips

Water: Water weekly, allowing the soil to dry out between waterings.

Soil: Prefers well-drained sandy or loamy soil.

Light: Requires 6–8 hours of full sun for vibrant blooms.

Temp: Thrives in warm climates, around 20°C to 30°C (68°F to 86°F).

Humidity: Tolerates low humidity; great for sunny, drought-tolerant landscapes.

9. Switchgrass (Panicum virgatum)

Switchgrass (Panicum virgatum) outdoors thriving

Switchgrass is a flexible native grass that brings both height and texture to any garden setting. Growing up to 6 feet tall, it has airy, delicate seed heads that sway in the breeze, giving the garden a light, natural feel. Its foliage turns a warm golden color in the fall, adding seasonal interest. This tall ornamental grass is incredibly tough, making it a great choice for erosion control or for gardeners dealing with less-than-ideal soil conditions.

Quick Tips

Water: Water weekly; more during dry spells, allowing the soil to dry slightly between waterings.

Soil: Thrives in a variety of soils, from sandy to clay, as long as they are well-drained.

Light: Requires full sun, ideally 6–8 hours per day.

Temp: Grows best in temperatures from 15°C to 30°C (60°F to 85°F).

Humidity: Prefers moderate humidity; works well in natural gardens or along streams.

10. Zebra Grass (Miscanthus sinensis 'Zebrinus')

Zebra Grass (Miscanthus sinensis 'Zebrinus') outdoors thriving

Zebra Grass gets its name from the unique horizontal yellow stripes across its green leaves, creating a bold, striking appearance. Growing up to 6 feet tall, it’s perfect for adding a bit of drama to your garden. The feathery plumes that appear in late summer give the grass an extra layer of interest. I love the playful, eye-catching look of Zebra Grass—it’s definitely a conversation starter in the garden.

Quick Tips

Water: Water weekly, especially in dry conditions, keeping the soil evenly moist.

Soil: Prefers fertile, well-drained soil.

Light: Needs full sun for at least 6–8 hours daily.

Temp: Thrives in temperatures of 15°C to 30°C (60°F to 85°F).

Humidity: Enjoys moderate humidity; ideal for mixed perennial borders.

11. Black Mondo Grass (Ophiopogon planiscapus 'Nigrescens')

Black Mondo Grass (Ophiopogon planiscapus 'Nigrescens') outdoors thriving ang being used as a border

Black Mondo Grass is striking with its deep purple to black, grass-like leaves. Though it’s small in stature, usually growing only 6 to 12 inches tall, it makes a bold statement in borders or containers. It spreads slowly through underground rhizomes, creating a dense ground cover over time. This grass is ideal for adding contrast to lighter-colored plants, and its dark leaves pair well with brighter flowers.

Quick Tips

Water: Keep soil consistently moist, watering 1–2 times a week.

Soil: Prefers well-drained, slightly acidic soil rich in organic matter.

Light: Thrives in partial to full shade, ideally 4–6 hours of filtered light.

Temp: Enjoys temperatures between 10°C to 25°C (50°F to 77°F).

Humidity: Prefers higher humidity; perfect for moist, shaded woodland gardens

12. Japanese Blood Grass (Imperata cylindrica 'Rubra')

Japanese Blood Grass (Imperata cylindrica 'Rubra') outdoors thriving

Japanese Blood Grass offers a brilliant splash of red in the garden. The green blades turn deep red as the season progresses, reaching about 12 to 18 inches tall. It’s particularly dramatic in mass plantings or when mixed with other ornamental grasses. Japanese Blood Grass spreads slowly but can be quite vigorous in warm climates, so it may need occasional trimming to keep it in check.

Quick Tips

Water: Keep soil consistently moist; water 2–3 times a week during hot spells.

Soil: Thrives in rich, well-drained soil with a good amount of organic matter.

Light: Prefers 6–8 hours of full sun for vibrant color.

Temp: Grows best in temperatures from 15°C to 30°C (60°F to 85°F).

Humidity: Tolerates moderate humidity; great for garden beds in warmer climates.

13. Bluestem Ornamental Grass (Andropogon gerardii)

Bluestem Ornamental Grass (Andropogon gerardii) outdoors thriving

Bluestem Grass, often referred to as Big Bluestem, is a tall, native grass that can grow up to 8 feet in height. It’s known for its stunning blue-green blades that turn reddish-bronze in the fall. Bluestem is drought-tolerant and thrives in sunny, open spaces, making it perfect for low-maintenance landscapes. Its deep roots help stabilize soil, making it useful for erosion control.

Quick Tips

Water: Water sparingly; this grass is drought-tolerant once established.

Soil: Prefers well-drained soil, including sandy and clay types.

Light: Requires full sun for at least 6 hours a day.

Temp: Thrives in temperatures of 10°C to 35°C (50°F to 95°F).

Humidity: Prefers low humidity; ideal for open fields and meadows.

FAQS

Q: What’s the difference between ornamental grass and sedge?

A: Ornamental grasses and sedges are often mistaken for each other, but they belong to different plant families. Sedges generally have triangular stems and are typically found in moist environments, while ornamental grasses have round, hollow stems. Both can add texture to the garden, but sedges are often better suited for wetter areas, whereas ornamental grasses thrive in a variety of conditions. Some sedges, like the popular Carex varieties, are evergreen and can provide year-round interest, unlike most ornamental grasses that may die back in the winter.

Q: 2. Are any ornamental grasses evergreen?

A: Yes! While many ornamental grasses die back in the winter and reemerge during the growing season, a few are evergreen or semi-evergreen. For example, Black Mondo Grass and some sedges, like Carex, maintain their foliage year-round. Evergreen grasses are great for adding winter interest to the garden, providing color and texture even in the colder months.

Q: 3. How long is the growing season for ornamental grasses?

A: The growing season for ornamental grasses depends on the variety and the climate. Most perennial ornamental grasses begin growing in the spring, peak during the summer, and offer their best show of color and texture in the fall. By winter, many grasses go dormant, only to return the next year. However, evergreen grasses, like Carex and Black Mondo Grass, don’t have a true dormant period and remain lush throughout the year, even during the off-season.