Design

The Best Ornamental Grasses for Every Season

Fine Gardening – Issue 219
seasonal ornamental grasses

There are countless ornamental grasses to choose from, so narrowing down a list of my favorites is tough. However, the following assortment—categorized by their best season of interest—is a good start. Choosing at least one from each season will ensure that your grass-forward garden always has something spectacular going on.


See more:

Get Four-Season Interest Using Ornamental Grasses in the Landscape

How to Divide Large Overgrown Ornamental Grasses

Let’s Argue About Plants Podcast Episode 147: Great Native Grasses

Spring


Red tussock grass

Red tussock grass
Photo: millettephotomedia.com

Chionochloa rubra

Zones: 7–10

Size: 3 to 4 feet tall and wide

Conditions: Full sun to partial shade; moist, well-drained soil

Native Range: New Zealand

Mexican feather grass

Mexican feather grass
Photo: Carol Collins

Nassella tenuissima

Zones: 7–10

Size: 1 to 2 feet tall and wide

Conditions: Full sun; well-drained soil

Native range: Texas, New Mexico, Mexico, Argentina

Blue oat grass

Blue oat grass
Photo: Kerry Ann Moore

Helictotrichon sempervirens

Zones: 4–8

Size: 2 to 3 feet tall and 2 to 2½ feet wide

Conditions: Full sun; well-drained soil

Native range: Central and southwestern Europe

‘Campo Azul’ autumn moor grass

Campo Azul autumn moor grass
Photo: courtesy of Susan Calhoun

Sesleria autumnalis ‘Campo Azul’

Zones: 5–8

Size: 1 to 3 feet tall and 1 to 2 feet wide

Conditions: Full sun to partial shade; moist, well-drained soil

Native range: Hybrid

 

Summer


‘Little Miss’ miscanthus

Little Miss miscanthus
Photo: millettephotomedia.com

Miscanthus sinensis* ‘Little Miss’

Zones: 5–9

Size: 2 to 3 feet tall and wide

Conditions: Full sun; well-drained soil

Native range: Eastern Asia

‘Heavy Metal’ switchgrass

Heavy Metal switchgrass
Photo: Michelle Gervais

Panicum virgatum ‘Heavy Metal’

Zones: 5–9

Size: 4 to 5 feet tall and 1 to 2 feet wide

Conditions: Full sun to partial shade; moist soil

Native range: North America

Purple miscanthus

Purple miscanthus
Photo: Daria McKelvey

Miscanthus ‘Purpurascens’

Zones: 5–9

Size: 4 to 5 feet tall and 2½ to 3 feet wide

Conditions: Full sun to partial shade; moist, well-drained soil

Native range: Hybrid

‘Skyracer’ purple moor grass

Skyracer purple moor grass
Photo: Missouri Botanical Garden; Michelle Gervais

Molinia caerulea subsp. arundinacea ‘Skyracer’

Zones: 5–8

Size: 6 to 8 feet tall and 2 to 4 feet wide

Conditions: Full sun; moist soil

Native range: Europe, Asia, northern Africa

 

Fall


‘Blondo’ miscanthus

Blondo miscanthus
Photo: millettephotomedia.com

Miscanthus sinensis ‘Blondo’

Zones: 4–9

Size: 3 to 5 feet tall and 3 to 4 feet wide

Conditions: Full sun to partial shade; well-drained soil

Native range: Eastern Asia

Seep muhly grass

Seep muhly grass
Photo: millettephotomedia.com

Muhlenbergia reverchonii

Zones: 5–9

Size: 1½ to 2 feet tall and wide

Conditions: Full sun; well-drained

Native range: Central Oklahoma to central Texas

‘Fire Dragon’ miscanthus

Fire Dragon miscanthus
Photo: courtesy of Susan Calhoun

Miscanthus sinensis ‘Fire Dragon’

Zones: 5–9

Size: 6 to 7 feet tall and 3 to 4 feet wide

Conditions: Full sun; well-drained soil

Native range: Eastern Asia

‘Shenandoah’ switchgrass

Shenandoah switchgrass
Photo: Danielle Sherry

Panicum virgatum ‘Shenandoah’

Zones: 5–9

Size: 3 to 4 feet tall and wide

Conditions: Full sun to partial shade; moist soil

Native range: North America

 

Winter


Orange sedge

Orange sedge
Photo: Michelle Gervais

Carex testacea*

Zones: 6–10

Size: 18 to 24 inches tall and wide

Conditions: Full sun to partial shade; moist, well-drained soil

Native range: New Zealand

*This is technically not a grass.

Crystal Falls® mondo grass

Crystal Falls mondo grass
Photo: millettephotomedia.com

Ophiopogon jaburan ‘HOCF’

Zones: 6–11

Size: 24 to 30 inches tall and wide

Conditions: Partial to full shade; moist soil

Native range: Japan, Korea

‘Fine China’ sedge

Fine China sedge
Photo: courtesy of Susan Calhoun

Carex ‘Fine China’

Zones: 5–9

Size: 8 to 12 inches tall and 24 inches wide

Conditions: Full sun to partial shade; moist, well-drained soil

Native range: Hybrid

*This is technically not a grass.

Giant feather grass

Giant feather grass
Photo: Michelle Gervais

Celtica gigantea

Zones: 5–8

Size: 6 to 8 feet tall and 2 to 3 feet wide

Conditions: Full sun; moist, well-drained soil

Native range: Iberian Peninsula, northern Africa


*Invasive Alert: Miscanthus (Miscanthus sinensis)

This plant is considered invasive in AL, CT, GA, IN, KY, MD, NC, NH, NJ, NY, PA, SC, TN, and VA.

Please visit invasiveplantatlas.org for more information.


Susan Calhoun is the owner and principal designer of Plantswoman Design in Bainbridge, Washington. She is also a FineGardening.com regional reporter for the Pacific Northwest.

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