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Chasmanthium latifolium - Northern Sea Oats
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Grass, Chasmanthium latifolium

Grass, Northern Sea Oats

This clump-forming, upright, ornamental grass is a Missouri native plant and is perhaps most distinguished by the flat, drooping seed heads which hang in terminal clusters on thread-like pedicils from slightly arching stems. Seed heads will flutter even in the softest of breezes. Seed heads emerge green but turn purplish bronze by late summer. The upright clump of bright green leaves turn a coppery color after frost and eventually brown by winter. Excellent for dried flower arrangements. Deserves to be much more widely used, tolerating a wide range of soil and light conditions, but happiest in moist soil with dappled shade. Self seeds, but seedlings are easily removed if unwanted.

Additional:

Chasmanthium latifolium is a Missouri native plant which typically grows in rich woods or rocky slopes along streams and on moist bluffs.

MSD Stormwater BMP Native plant used in Bioretention & Organic Filters-Informal applications

Grass, Northern Sea Oats Growing and Maintenance Tips:

Northern Sea Oats grass is easily grown in average, medium to wet, well-drained soil in full sun to part shade. Tolerant of poor soils, but prefers moist, fertile soils. One of the more shade tolerant of the ornamental grasses, chasmanthium latifolium self-seeds and may spread aggressively. Since seedheads become more attractive as they age and darken by fall, plant it among shrubs and perennials that either turn color or flower then. Leaving foliage in place over winter adds interest to the landscape and helps protect crowns from the cold. Cut back to the ground in early spring.

 

 

Height:

24-60 Inches

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Spread:

12-30 Inches

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Hardiness Zone:

3 - 8

Characteristics & Attributes for Grass, Chasmanthium latifolium

Exposure
Sun
Partial Shade
Soil Moisture Preference
Average
Moist
Critter Resistance
Deer Resistant
Season of Interest (Flowering)
Summer
Fall
Season of Interest (Foliage)
Summer
Fall
Winter
Growth Habit
Reseeds
Height
> 36 Inches
Attributes
Mass Planting
Cut Flower
Native
Dried Flower
Naturalizing
Focal Point
Salt Tolerant
Great Foliage
Border or Bed
Foliage Color
Gold
Green
Great Companion Plants for Grass, Chasmanthium latifolium
Spiderwort Spiderwort (Tradescantia x andersoniana 'Concord Grape')
Daylily Daylily (Hemerocallis 'Little Business')
Plantain Lily Plantain Lily (Hosta 'Big Daddy')
Iris, Siberian Iris, Siberian (Iris sibirica 'Caesar's Brother')
Coral Bells Coral Bells (Heuchera villosa 'Caramel')
False Spirea False Spirea (Astilbe x arendsii 'Fanal')
Coral Bells Coral Bells (Heuchera villosa 'Obsidian')
Bleeding Heart, Old-Fashioned Bleeding Heart, Old-Fashioned (Dicentra spectabilis )
Daylily Daylily (Hemerocallis 'Pardon Me')
Similar Plants to Grass, Chasmanthium latifolium
Grass, Prairie Dropseed Grass, Prairie Dropseed (Grass, Sporobolus heterolepis )
Grass, Switch Grass, Switch (Grass, Panicum virgatum 'Shenandoah')