Autumn Moor Grass (Sesleria autumnalis): A Resilient Ornamental Grass for Diverse Landscapes
Overview
Autumn moor grass is a low-growing, clump-forming perennial grass native to southeastern Europe. It boasts narrow, yellow-green arching foliage and silvery-white plumes in the fall, providing year-round interest in the landscape.
Key Features
- Perennial grass
- 9-12 inches tall, 6-12 inches wide
- Narrow, yellow-green foliage
- Silvery-white plumes in fall
- Inconspicuous flowers
- Drought-tolerant
- Salinity-tolerant
- Shade-tolerant
- Winter-hardy to zone 5
- Deer-resistant
- Non-invasive
Benefits and Uses
Versatile Landscaping Options:
- Ground cover
- Border or edging
- Mass plantings in meadows or naturalistic settings
- Erosion control
- Accent plant in small garden beds
Tough and Adaptable:
- Tolerates a wide range of soil types and conditions
- Thrives in full sun or partial shade
- Drought-tolerant, but benefits from consistent moisture
- Salinity-tolerant, making it suitable for coastal environments
Easy Care
- Water regularly until established, especially during droughts
- Fertilize once annually in spring, if necessary
- Cut back old foliage in late winter
- Divide in early spring for propagation
Types of Moor Grass
In addition to autumn moor grass (Sesleria autumnalis), there are other popular types of moor grass:
- Greenlee Moor Grass (Sesleria x ‘Greenlee’): Evergreen, low-mounding variety with blue-green foliage and purple-tinged flowers.
- Blue Moor Grass (Sesleria caerulea): Compact species with blue-green foliage, suitable as a lawn alternative for low-traffic areas.
- Italian Moor Grass (Sesleria albicans): Similar to autumn moor grass but larger, with silvery white flowers that turn tan when dry.
Growing in Containers
While autumn moor grass is typically grown in landscapes, it can also be grown in containers. Choose a well-draining potting mix and water frequently, especially during hot summer weather.
Overwintering
Autumn moor grass is winter-hardy to zone 5. In colder climates, potted plants may need additional protection, such as burying the container or wrapping it with insulation.
Propagation
The best way to propagate autumn moor grass is by division in early spring. Dig up the entire clump, cut the root ball into sections, and replant the sections at the same depth as the original plant.
Common Pests and Diseases
Autumn moor grass is not typically affected by major pests or diseases. It is deer-resistant and not browsed by critters.
FAQs
Is autumn moor grass invasive?
No, unlike other non-native ornamental grasses, autumn moor grass is not invasive in North America. It rarely reseeds itself and does not spread by rhizomes.
Can autumn moor grass grow in a coastal area?
Yes, this tough plant is resistant to both salinity and drought, making it a good choice for seaside locations.
How far should autumn moor grass be spaced apart?
The proper spacing can be anywhere from 8 to 18 inches depending on the desired density and use in the landscape.
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