Ornamental grasses for Minnesota
1
© 2011 Regents of the University of Minnesota. All rights reserved.
2
FEATURES OF ORNAMENTAL GRASSES






Few insect of disease problems
Require little or no supplemental fertilizer
Little maintenance except spring cut-back
More than one season of interest
Fast growing
Wide variation in texture, height and
foliage color
 Movement: audio and visual
3
© 2011 Regents of the University of Minnesota. All rights reserved.
blue oatgrass
4
hakone grass
5
feather reedgrass
6
feather reedgrass
7
red switchgrass
8
miscanthus Graziella
9
miscanthus Graziella
10
miscanthus Graziella
11
red flame miscanthus
12
switchgrass
13
giant miscanthus
14
15
color variation
16
autumn light miscanthus
17
MISCONCEPTIONS ABOUT
ORNAMENTAL GRASSES
 Lack of cold hardiness | many different
kinds are hardy in USDA Zone 4
 Invasive roots make these plants difficult
to contain | 95% are bunch grasses and
form dense clumps
18
© 2011 Regents of the University of Minnesota. All rights reserved.
feather reedgrass
19
20
21
silver spikegrass
22
fall blooming reedgrass
23
windplay moorgrass
24
molinia
25
little bluestem
26
prairie dropseed
27
crimson fountaingrass
28
fountain grass
29
30
31
32
big bluestem
33
34
little bluestem
35
switch grass
36
37
38
sedges
39
carex flava
40
mace sedge
41
palm sedge
42
palm sedge
43
black sedge
44
tufted hairgrass
45
46
hakone grass
47
cordgrass
48
aureomarginata
49
GRASSES WITH INVASIVE RHIZOMES




Miscanthus sacchariflorus – miscanthus
Leymus (Elymus) – blue rye
Phalaris – ribbon grass
Spartina – prairie cordgrass
50
© 2011 Regents of the University of Minnesota. All rights reserved.
blue lyme grass
51
ribbon grass
52
miscanthus
53
miscanthus sacchariflorus
54
55
MISCANTHUS
M. sinensis
M. sacchariflorus












Bunch grass
Hairs = spikelet
Awns on florets
Many flower colors
Many foliage colors
Aug-Oct flowering
Invasive rhizomes
Hairs 2x spikelet
No awns
White fluffy flowers
Green foliage
Aug flowering
56
© 2011 Regents of the University of Minnesota. All rights reserved.
red flame miscanthus
57
silver feather miscanthus
58
miscanthus sinensis ‘variegatus’
59
‘malpartus’ miscanthus
60
‘autumn light’ miscanthus
61
‘zebrinus’
62
CULTURE AND MAINTENANCE





Spring planting
Mature height = spacing
Divide as necessary
Spring cut back
Winter protection for group 2
63
© 2011 Regents of the University of Minnesota. All rights reserved.
spring cut back
64
burning
65
shop.extension.umn.edu
66
67
68
69
70
71
72
Written by Mary Meyer, Extension horticulturist
Discover more at
extension.umn.edu
© 2011 Regents of the University of Minnesota. All rights reserved.
The University of Minnesota is an equal opportunity educator and employer. In accordance with the Americans with Disabilities
Act, this PowerPoint is available in alternative formats upon request. Direct requests to the Extension Store at 800-876-8636.
73
Download

Ornamental Grasses Presentation