See also, our photo gallery of grasses

Side-oats Grama

Bouteloua curtipendula

Grand boutelou

Family: Grass (Poaceae)
Native to: Eastern Ontario
Location at the FWG: Backyard Garden
Backyard garden bed: OM SO
Flower colour: Purplish
Type: grass
Blooming time: Summer
Height: 50–5 cm
Light requirements: Sun
Moisture requirements: Average
Soil: Average
pH: Neutral

Natural habitat: Prairies. Not found locally in the wild.

Wildlife use: Seeds are food for birds.

Notes: Native warm-season prairie grass. Attractive; seeds hang gracefully from the side of the stem. Drought tolerant. Forms a dense clump and spreads slowly. Attracts birds.

Propagation: Easy to grow from seed, which requires cold, dry stratification for several months.

Provenance:

Link: Ontario Grasses

Side-oats Grama


Canada Wild Rye

Elymus canadensis

Élyme du Canada

Family: Grass (Poaceae)
Native to: North American
Location at the FWG: Backyard Garden
Backyard garden bed: OM
Flower colour: Greenish
Type: grass
Blooming time: Summer
Height: 1–1.5 m
Light requirements: Full sun
Moisture requirements: Average to dry
Soil: Average
pH: Neutral

Natural habitat: Prairies, meadows. Very rare in the Ottawa region.

Wildlife use: Seed eaten by birds and small mammals.

Notes: Tall, easy to grow, cool-season grass with attractive gold seed plumes. Forms clumps. Drought tolerant. Self-seeds.

Propagation: Start from seed. Good germination. Takes 2 years to mature.

Link: Ontario Grasses

Canada Wild Rye


Bottlebrush Grass

Elymus hystrix

Élyme étalé

Family: Grass (Poaceae)
Native to: Eastern Ontario
Location at the FWG: Backyard Garden; Ash Woodlot
Backyard garden bed: WW
Flower colour: Green
Type: grass
Blooming time: Fall
Height: 30–45 cm
Light requirements: Sun to part shade
Moisture requirements: Average to dry
Soil: Average
pH: Neutral

Natural habitat: Dry woodlands. Uncommon in the Ottawa region.

Wildlife use: Seeds eaten by birds.

Notes: One of the few grasses that will grow in semi-shade. Will grow in a variety of soils, even clay. Bristly seed heads look like bottle brushes. Extend well above the foliage.

Propagation: Very easy to grow from seed.

Link: Ontario Grasses

Bottlebrush Grass


Switchgrass

Panicum virgatum

Panic érigé

Family: Grass (Poaceae)
Native to: Eastern Ontario
Location at the FWG: Backyard Garden
Backyard garden bed: OM
Flower colour: Yellow
Type: grass
Blooming time: Late summer
Height: 1-2 m (3-6′)
Light requirements: Full sun
Moisture requirements: Average
Soil: Average
pH: Neutral

Natural habitat: Meadow and prairie. Rare in the Ottawa region.

Wildlife use: Seeds attract birds.

Notes: Warm season grass (roots grow only when soil is warm). Sod forming, but speads slowly. Low maintenance. Adapts to a wide range of soil conditions, including dry. Not suitable for most small gardens, but may be very effective along a the edge of a stream or as a screen. Good for stabilizing slopes prone to erosion. In the garden, tends to fall over in late summer.

Propagation: Easy from seed.

Link: Ontario Grasses

Switchgrass


Indian Grass

Sorghastrum nutans

Faux-sorgho penché

Family: Grass (Poaceae)
Native to: Eastern Ontario
Location at the FWG: Backyard Garden
Backyard garden bed: OM
Flower colour: Yellow
Type: grass
Blooming time: Late summer
Height: 90–150 cm
Light requirements: Sun
Moisture requirements: Average to moist
Soil: Average
pH: Neutral

Natural habitat: Tallgrass prairies. Very rare in the Ottawa region.

Wildlife use: Seeds for birds.

Notes: Warm season grass. Not suitable for a small garden.

Propagation: Easy to grow from seed.

Link: Ontario Grasses

Indian Grass


Red-top

Agrostis gigantea

Agrostide blanche

Family: Grass (Poaceae)
Native to: Eastern Ontario
Location at the FWG: Old Field; other open areas.
Backyard garden bed:
Flower colour: Yellow
Type: grass
Blooming time: Late spring
Height: to 60 cm
Light requirements: Sun
Moisture requirements: Average to dry
Soil: Average
pH: Neutral

Natural habitat: Dry open areas. Common in the Ottawa region.

Wildlife use:

Notes: Spreads rapidly.

Propagation: Grow from seed. Cold stratification not required.

Link:

Red-top; photo Kristian Peters


Canada Bluejoint

Calamagrostis canadensis

Foin bleu

Family: Grass (Poaceae)
Native to: Eastern Ontario
Location at the FWG:
Backyard garden bed:
Flower colour: Green
Type: grass
Blooming time: Summer
Height: 40–120 cm
Light requirements: Sun
Moisture requirements: Average to moist
Soil: Average
pH: Neutral

Natural habitat: Occurs in many conditions. Common in the Ottawa region.

Wildlife use:

Notes: Sod forming, cool-season grass. Spreads quickly by rhizomes.

Propagation: By seed. No treatment required. Because this species spreads so quickly, it is easier to propagate by dividing.

Canada Bluejoint; photo Robert H. Mohlenbrock


Rice Cutgrass / Cut-grass

Leersia oryzoides

Léersie faux-riz

Family: Grass (Poaceae)
Native to: Eastern Ontario
Location at the FWG: Next to Amphibian Pond
Backyard garden bed:
Flower colour: Yellow
Type: grass
Blooming time: Late summer
Height: 50–90 cm
Light requirements: Sun
Moisture requirements: Moist
Soil: Average
pH: Neutral

Natural habitat: Edges of lakes, ponds, ditches. Common in the Ottawa region.

Wildlife use:

Notes: Warm-season grass. Called cut-grass because it has tiny barbs along the edges of its leaves; they catch on clothing, and can cut skin. Spreads at a moderate rate.

Propagation: Not tried. Apparently difficult.

Link: Ontario Grasses

Rice Cutgrass


Wirestem Muhly / Mexican Muhly

Muhlenbergia mexicana

Muhlenbergie du Mexique

Family: Grass (Poaceae)
Native to: Eastern Ontario
Location at the FWG: Field north of Ash Woodlot
Backyard garden bed: EN
Flower colour: Green
Type: grass
Blooming time: Late summer
Height: 60 cm (2′)
Light requirements: Sun to part shade
Moisture requirements: Average to moist
Soil: Average
pH: Neutral

Natural habitat: Clearings. Common in the Ottawa region.

Wildlife use:

Notes: Warm season grass. Forms clumps. Graceful bending seed heads. Spreads by rhizomes, but not quickly. Does not occur in Mexico!

Propagation: Easy to grow from seed. No treatment required.

Provenance: Calabogie area

Link:

Mexican Muhly; photo Diderot


Big Bluestem

Andropogon gerardii

Barbon de Gérard

Family: Grass (Poaceae)
Native to: North America
Location at the FWG: Backyard Garden
Backyard garden bed: OM
Flower colour: ?
Type: grass
Blooming time: Late summer
Height: 1–1.5 m
Light requirements: Sun to part shade
Moisture requirements: Dry
Soil: Average
pH: Neutral

Natural habitat: Tall-grass prairie. Not found in the wild in the Ottawa area.

Wildlife use: Birds eat the seeds.

Notes: Warm season grass. Forms sod rather than clumps, so needs lots of room to spread. Blue-green foliage. Too much moisture and too fertile soil will cause flower stems to fall over.

Propagation: Not tried.

Link: Ontario Grasses

Big Bluestem


Little Bluestem

Schizachyrium scoparium

Barbon à balais

Family: Grass (Poaceae)
Native to: Eastern Ontario
Location at the FWG: Backyard Garden
Backyard garden bed: SO
Flower colour: ?
Type: grass
Blooming time: Late summer
Height: 70–120 cm
Light requirements: Sun
Moisture requirements: Average to dry
Soil: Average
pH: Neutral

Natural habitat: Prairies and open woods, dry fields. Not found in the wild in the Ottawa area.

Wildlife use: Birds eat the seeds.

Notes: Warm season grass, clump forming, grey-green foliage. Too much moisture and too fertile soil will cause flower stems to fall over.

Propagation: Fairly easy from seed.

Link: Ontario Grasses

Little Bluestem


Timothy / Timothy-grass

Phleum pratense

Féole des prés ou Phléole

Family: Grass (Poaceae)
Native to: Europe
Location at the FWG: Everywhere
Backyard garden bed:
Flower colour: purple
Type: grass
Blooming time: June
Height: 48–150 cm
Light requirements: Sun
Moisture requirements: Average to dry
Soil: Average
pH: Neutral

Natural habitat: Prairies and open woods, dry fields.

Wildlife use: Birds eat the seeds.

Notes:

Propagation: Fairly easy from seed.

Link: Ontario Grasses

Timothy


Sweetgrass

Anthoxanthum hirtum

Hiérochloé odorante

Family: Grass (Poaceae)
Native to: North America
Location at the FWG: Amphibian Pond
Backyard garden bed:
Flower colour: purple
Type: grass
Blooming time: June
Height: to 20 cm
Light requirements: Sun
Moisture requirements: Average to wet
Soil: Average
pH: Neutral

Natural habitat: Damp areas.

Wildlife use: Birds eat the seeds.

Notes: Odoriferous when brunt or crushed. Sacred plant to indigenous peoples.

Propagation: Fairly easy from seed.

Link: Ontario Grasses

Sweetgrass; photo Gord Robertson


Foxtail Barley

Hordeum jubatum

Orge à crinière / Orge barbue / Orge queue-d’écureuil1

Family: Grass (Poaceae)
Native to: North America
Location at the FWG: Old Field
Backyard garden bed: NA
Flower colour: yellow
Type: grass
Blooming time: July
Height: 30 – 60 cm
Light requirements: Sun
Moisture requirements: Average to wet
Soil: Loamy to clay
pH: 6.4 to 9.5

Natural habitat: Dry areas

Wildlife use: Birds eat the seeds

Notes: Flower curve downwards, likes like a fox’s tail

Propagation: Fairly easy from seed.

Link:

Foxtail Barley; photo Gord Robertson


Giant Foxtail / Japanese Bristlegrass / Chinese Foxtail *

Setaria faberi

?

Family: Grass (Poaceae)
Native to: Asia
Location at the FWG: Old Field
Backyard garden bed: NA
Flower colour: yellow green
Type: grass
Blooming time: July
Height: to 2 m
Light requirements: Sun
Moisture requirements: Average to wet
Soil: Compacted
pH: likes acidic

Natural habitat: Dry areas

Wildlife use: Birds eat the seeds

Notes: Flower curve downwards, likes like a fox’s tail

Propagation: Fairly easy from seed.

Link:

Giant Foxtail


References

Muna, Walter. Ontario Grasses

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This page was revised on 3 August 2023
Images by Christine Hanrahan unless otherwise indicated
© Fletcher Wildlife Garden
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