Grasses, Sedges, Rushes
Common Name
Height
cm / in
Bloom Height
Bloom Time
Foliage Color/Blade Width
Ideal Growing Conditions
Season
H2O
Req*
Roots
Zone
Festuca glauca 'Blaufuchs' Blue Fox fescue 15-25
6-10"
20-30
8-12"
May-June intense blue
narrow
full sun/pt shade
well drained soil
cool 2 clump 3
Festuca glauca 'Boulder Blue' Boulder Blue fescue 15-25
6-10"
20-30
8-12"
May-June intense blue
narrow
full sun/pt shade
well drained soil
cool 2 clump 3
Festuca glauca 'Elijah Blue' Elijah's Blue fescue 10-20
4-8"
15-25
6-10"
May-June powder blue
narrow
full sun/pt shade
well drained soil
cool 2 clump 4
Festuca idahoensis 'Joseph' Idaho fescue 75-105
30-42"
90-120
36-48"
May-June blue-green
narrow
full sun
well drained soil
cool 2 clump 3
Festuca idahoensis 'Siskiyou Blue' Idaho fescue 25-35
10-14"
35-45
14-18"
May-June strong blue
narrow
full sun/lt shade
well drained soil
cool/semi-
evergreen
2 clump 4
Festuca mairei Atlas fescue 75-100
30-40"
100-125
40-50"
June-July medium-
green
medium
full sun/pt shade
moist, well drained soil
cool/semi-
evergreen
2 clump 4
Festuca ovina Green fescue 30
12 "
45
18 "
May-June greyish to bluish green
narrow
full sun/lt shade
average, well drained soil
cool/semi-
evergreen
1 clump 4
Festuca valesiaca 'Nefer' Nefer fescue 20-25
8-10"
30-40
12-16"
May-June blue/green
narrow
full sun
well drained soil
cool 2 clump 4
Helictotrichon sempervirens Blue oat grass 50-60
20-24"
50-100
20-40"
June-July blue
medium
full sun/pt shade
well drained soil
cool/semi-evergreen 2 clump 3
Juncus effusus 'Spiralis' Lesser corkscrew rush 10-20
4-8"
10-20
4-8"
June-July green
fine, spiral
sun/part shade
moist to wet soil
cool/semi-
evergreen
4 clump 4
Juncus inflexus 'Lovesick Blues' Lovesick blues rush 70-100
28-40"
70-100
28-40"
June-July blue-grey
narrow
sun/part shade
moist to wet soil
cool/semi-
evergreen
4 clump 4
Koeleria glauca Blue hair grass 15-25
6-12"
15-30
6-12"
June-July blue-grey
medium
full sun
lean soil, wide range of soil types
cool 2 clump 4
Koeleria pyramidata
syn K. cristata
Prairie june grass 15-30
6-12"
25-40
10-16"
June-July green
medium
full sun
well drained, sand to clay soil
cool 1 clump 3
Koeleria valliana 'Mountain Breeze' Blue hair grass 15-25
6-12"
15-30
6-12"
June-July blue-grey
medium
full sun
lean soil, wide range of soil types
cool 2 clump 4
Luzula nivea Snowy woodrush 30-40
12-16"
50-70
20-28"
May-June green
medium
part shade/full shade
moist soil
cool/semi-
evergreen
2 clump 4
Luzula sylvatica Greater wood rush 30-40
12-16"
40-50
16-20"
May-July green
wide
part shade/full shade
moist to dry soil
cool/semi-
evergreen
2 clump 3