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A small meadow of light green Sesleria autumnalis.

Sesleria autumnalis

Autumn Moor Grass

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Description

Sesleria autumnalis continues to be one of the best groundcover grasses we have ever come across. In 25 years of use, our clone of Sesleria autumnalis has never naturalized or set seed. Its rich yellow-green foliage is versatile whether in small groups or large swaths. The foliage grows 8-12" high and as wide and can get even larger in rich soils and pushed with water and fertilizer. Neat mounds of foliage are topped by slender white flowers in the spring. These flowers mature into golden tan seed heads that are noticeable but never messy on the plant. The foliage is evergreen in all but the coldest of climates or in alpine settings.

What can you say about a grass that looks this good year round and looks just as good in Minneapolis as it does in San Diego? Sesleria autumnalis is native to southern Europe and the Caucasus region but is adapted to all but the hot desert and hot humid climates of the southeast. Growing well by the coast, it needs more water when growing in hot inland valleys. Sesleria autumnalis is not recommended for high or low desert gardens. It does best in full sun but will tolerate light shade. Additionally, Sesleria autumnalis will grow in a wide variety of soils from sand to clay.

John's Notes

Design Uses

Sesleria autumnalis is useful as single specimens in small gardens and perennial borders or in groups and masses in larger gardens. It is a dependable large-scale groundcover grass.

Planting & Spacing

Plant Sesleria autumnalis 12-18 inches on-center depending on the desired effect and the addition of bulbs and flowering accents. It is best planted in fall or spring from plugs or pots but it can be planted any time of the year in all but the coldest climates as long as moisture is sufficient.

Maintenance & Watering Notes

A very low-maintenance grass, Sesleria autumnalis looks great year round. It does best, however, with a light trimming in fall or early spring to promote new growth. Sesleria autumnalis can be trimmed any time of year if foliage needs refreshing.

Sesleria autumnalis grows best with regular water and will not tolerate extended periods of heat and drought. Drought tolerate in coastal settings, plantings in hotter inland valleys will need more water to look good in the hot summer months.

General Details

Plant Type

Grass, Poaceae

Native Region

Central & Southeastern Europe

Seasonality

Cool-season, evergreen

Height

Foliage grows 8-12 inches tall, flowers 6-12 inches above the foliage

Width

12-18 inches

Alternate Names

N/a

Aesthetic Form

Landscaping Value

Perennial borders, groundcover, mass plantings

Foliage

Fine-textured yellow-green foliage

Flower Form

Upright slender spikes mature to a creamy color

Bloom Cycle

Late summer to fall

Growth Habits

Clumping, forms tight mounds

Plant Pairings

No Available Information

Care & Maintenance

Watering Needs

Moderate, reasonably drought-tolerant once established

Soil Preferences

Wide adaptability from dune sand to heavy clay

Sun Exposure

Full sun to partial shade

Winter Heartiness

< 0° F, USDA zones 4-9

Desert Adaptability

No Available Information

Costal Adaptability

No Available Information

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