1997-98 Vermont Ornamental Grass Trials

Dr. Leonard Perry, Extension Professor, University of Vermont


Sites: M=USDA zone 4a, stoney loam (Winterberry Perennials, Milton);

H and Hb=4b, loamy sand (Hort. Research Center, So. Burlington)

Ratings: 5=best, 1=worst, dead; Hardy=hardiness, Value=ornamental value, Weedy=invasiveness

Genus Species Cultivar Site In Out Hardy Value Weedy Hgt, ft Comments
Arrhenatherum elatius bulbosum variegatum   M 94   3 3 5 1  
Calamagrostis acutiflora   M 94   5 5 5 5.5  
Calamagrostis arundinacea Overdam M 94   5 5 5 4  
Calamagrostis arundinacea Overdam H 94   5 3 5 3.5  
Calamagrostis brachytricha   M 98     5 5 5  
Calamagrostis acutiflora Stricta M 94   5 5 5 5.5  
Calamagrostis acutiflora Stricta H 94   5 5 5 5  
Carex glauca   M 95   5 5 4 1.5 slow spreading
Carex glauca   Hb 94   5 5 5    
Carex montana   M 94   3 2 5 0.2  
Carex morrowii Ice Dance M 96   5 5 5 1  
Carex muskingumensis Wachtposten M 94   5 4 5 3  
Carex muskingumensis Wachtposten H 94   5 3 4 2 straggly, brown leaves
Deschampsia cespitosa Bronzeschleier M 94   5 5 5 3 5' across mound, great!
Deschampsia cespitosa Bronzeschleier H 94   5 3 5 3.5  
Deschampsia cespitosa Goldgehaenge M 94   5 2 5 2 few stalks
Deschampsia cespitosa Goldgehaenge H 94   5 3 5 2.5  
Deschampsia cespitosa Goldschleier M 94   5 2 5 1  
Deschampsia cespitosa Goldschleier H 94   5 3 5 2.5  
Deschampsia cespitosa Schottland M 94   5 4 5 3 few flw stalks
Deschampsia cespitosa Schottland H 94   5 4 5 3.5  
Deschampsia cespitosa Tardiflora H 94   5 3 5 3.5  
Deschampsia cespitosa Tautraeger H 94   5 4 5 3.5 most lvs brown
Deschampsia vivipara Fairy's Joke M 94   5 2 5 3 few flowers
Deschampsia vivipara Fairy's Joke H 94   5 3 5 3.5 flops
Eragrostis trichodes Bend H 94   5 3 5 2 nice flowers
Festuca amethystina April Gruen M 94   5 3 5 1 good habit, 18" across
Festuca amethystina Bronzeglanz H 94   5 5 5 1 largest
Festuca amethystina Klose Hb 94   5 3 5    
Festuca cinerea Solling M 97   5 3 5 1 10" width
Festuca gigantea   M 94   5 5 5 6 massive
Festuca gigantea   H 94   5 5 5 5  
Festuca glauca (cinerea) Elijah Blue M 98     4 5    
Festuca glauca (cinerea) Elijah Blue Hb 94   4 4 5 0.5  
Festuca gautieri (scoparia)   Hb 94   5 4 5    
Helictotrichon sempervirens Sapphire M 98     4 5    
Miscanthus sinensis Bitsy Ben M 97   2 2 5 1  
Miscanthus sinensis Ferner Osten M 97   2 2 5 1  
Miscanthus sinensis Ferner Osten Hb 98     2 5    
Miscanthus sinensis Kaskade M 94   5 5 5 5.5 attractive fls
Miscanthus sinensis Malepartus M 97   5 3 5 1  
Miscanthus sinensis Nippon M 94   2 2 5 4 weak vigor
Miscanthus sinensis November Sunset M 94   4 4 5 4  
Miscanthus sinensis Positano M 97   5 3 5 1  
Miscanthus sinensis Puenktchen M 94   4 4 5 4  
Miscanthus sinensis Purpurascens M 95   5 5 5 5 excellent, nice fall color
Miscanthus sinensis Purpurascens Hb 95   5 5 5 5  
Miscanthus sinensis Silberfeder M 94   5 5 5 7 large
Miscanthus sinensis Silberfeder Hb 97   5 5 5    
Miscanthus sinensis Silberspinne M 94   5 5 5 5.5 dense
Miscanthus sinensis Sirene M 94   5 5 5 5.5 large plumes
Miscanthus sinensis Strictus M 97   2 2 5 1  
Miscanthus sinensis Variegatus M 94   2 2 5 4.5  
Miscanthus sinensis Zebrinus M 94   3 2 5 5  
Molinia caerulea Heidebraut M 94   3 3 5 5 less vigor
Molinia caerulea Heidebraut H 94   5 5 5 4.5 fullest, most flowers
Molinia caerulea Moorhexe M 94   5 5 5 6  
Molinia caerulea Strahlenquelle H 94   5 5 5 4.5 next fullest
Molinia caerulea   Hb 94   5 3 5    
Molinia littorialis (c. arundinacea) Karl Foerster H 94   2 2 5 3  
Molinia littorialis (c. arundinacea) Skyracer M 98     4 5 5  
Molinia littorialis (c. arundinacea) Skyracer H 94   4 4 5 5 few fls
Molinia littorialis (c. arundinacea) Staefa H 94   5 4 5 5 best fls, most foliage
Molinia littorialis (c. arundinacea) Transparent H 94   4 3 5 4  
Molinia littorialis (c. arundinacea) Windspiel H 94   5 4 5 5.5  
Molinia littorialis (c. arundinacea)   Hb 94   5 5 5    
Panicum virgatum Cloud Nine M 97   5 5 5 4  
Panicum virgatum Haense Herms M 94   5 5 5 5  
Panicum virgatum Haense Herms H 94   5 5 4 6 best, least wind breakage
Panicum virgatum Prairie Sky Hb 98     3 5    
Panicum virgatum Rehbraun H 94   5 3 5 3.5 good reddish foliage
Panicum virgatum Squaw M 94   5 5 5 6  
Panicum virgatum Squaw H 94   5 5 4 5  
Panicum virgatum Warrior M 94   5 5 5 6  
Panicum virgatum Warrior H 94   5 5 4 5  
Panicum virgatum   M 94   5 5 5 6  
Panicum virgatum   Hb 94   5 5 4 5  
Phalaris arundinacea Feesey's Variety M 94   5 4 2 2.5 controllable growth
Phalaris arundinacea Feesey's Variety H 94   5 5 2 3  
Phalaris arundinacea Tricolor M 94   5 4 2 2.5 controllable growth
Phalaris arundinacea Tricolor H 94   5 5 2 3  
Schizachyrium scoparium The Blues M 98     4 5 1.5  
Spartinia pectinata   Hb 94   5 5 1 5  
Spodiopogon sibiricus   H 94   5 5 5 4.5 nice spike flowers
Sporobolus heterolepsis   M 97   5 3 5 2 few flowers

Appreciation is expressed to New England Grows, the Vermont Association of Professional Horticulturists, the Vermont Agricultural Experiment Station, and Friends of the Garden for funding these trials.This project is part of a national effort, funded by the Perennial Plant Assn., and chaired by Gerry Kopf, Fulton, IL.

Where am I?  Perry's Perennial Pages |  Sustainable Perennials Research | Ornamental Grass Trials