Comparison Chart for Ornamental Grasses - Bluestem Nursery       www.bluestem.ca


This info is derived from growing the grasses in our Zone 4/5 nursery. We have sandy-loam soil, our summers our hot and dry and we irrigate to mimic the ideal growing conditions.
Grasses, Sedges, Rushes
Common Name
Height
cm / in
Bloom Height
Bloom Time
Foliage Color/Blade Width
Ideal Growing Conditions
Season
H2O
Req*
Roots
Zone
Achnatherum calamagrostis Silver spear grass 50-70
20-28"
80-100
24-36"
June-July green
narrow
sun/part shade
moist, fertile well drained soil
cool 2 clump 5**
Achnatherum hymenoides Indian ricegrass 45-60
18-24"
60-75
24-30"
early spring green
narrow
sun/part shade
moist, fertile well drained soil
cool 1 clump 3
Alopecurus pratensis 'Aureovariegatus' Golden foxtail grass 30-40
12-16"
60
24"
May-June yel / green narrow full sun/light shade
moist fertile soil
cool 3 sod-
forming^
4
Andropogon gerardii Big bluestem 100-200
40-80"
150-250
60-100"
Aug-Sept blue-green
medium
full sun
well drained soil
warm 2 sod-
forming^
4**
Andropogon gerardii 'Bison' Bison big bluestem 120-150
48-60"
135-165
55-65"
late July-Aug green
narrow
full sun
well drained soil
warm 2 sod-
forming^
4**
Andropogon gerardii 'New Wave' New Wave
big bluestem
75-105
30-42"
135-165
55-65"
Aug-Sept green,
red-tinged narrow
full sun
well drained soil
warm 2 sod-
forming^
4**
Arrhenatherum bulbosum 'Variegatum' Striped bulbous oat grass 30-35
12-14"
50
20"
Aug-Sept white/green
medium
light to full shade
moist, well drained soil
cool 3 clump 4
Bouteloua curtipendula Side oats grama 40-80
16-32"
60-100
24-40"
June-Aug light green medium full sun
soil - adaptable
warm 1 sod-forming^ 3
Bouteloua gracilis Blue grama 30-40
12-16"
40-50
16-20"
June-Aug grey-green
narrow
full sun
sandy loam soil
warm 1 clump 3
Bouteloua gracilis 'Lovington' Blue grama 40-50
16-20"
50-60
20-24"
June-Aug lt green
narrow
full sun, clay to
sandy loam soil
warm 1 clump 4
Buchloe dactyloides Buffalo grass 10-15
4-6"
5-15
2-6"
July-Aug
(sparse)
grey-green
narrow
full sun
soil - well drained, clay
warm 1 moderate
spreader
4
Calamagrostis x acut. 'Avalanche' Variegated reed grass 50-75
20-30"
110
50"
June-July green/white
medium
full sun/part sun
soil - adaptable
cool 2 clump 3