2018 Perennial Trial Evaluation Department of Horticulture and Landscape Architecture, Colorado State University Scientific Name Acanthus longifolius Source Denver Botanic Gardens Common Name Bear's Breech Tsnum: 96147 Variety Bed: B Cultivar Family Acanthaceae Plant Type: Herbaceous perennial Plant Habit: Upright spreading clump Plant Quality: Good Foliage Color: Medium green Plant Height: 10 inches Plant Width: Around 4 feet Cultural Problems: Nuisances: Insect Problems: Disease Problems: Landscape Uses: Specimen, border Flower Effectiveness: Good Flower Color: Mauve and greenish white Flower Size: Inflorescence up to 10 inches in size Flower Height: Up to 4 feet Flower Effectiveness: Good Comments on plant: 3/8 5/18 budding 6/7 70 7/5 100 8/2 100 9/12 10/3 3/20 5/22 Hailstor 6/20 100 7/18 100 8/15 100 9/26 10/17 4/4 8/29 60 4/22 budding Page 1 of 1013 2018 Perennial Trial Evaluation Department of Horticulture and Landscape Architecture, Colorado State University Scientific Name Achillea Source Blooms of Bressingham Common Name Hybrid Yarrow Tsnum: 09141 Variety Bed: GB Cultivar 507 Family Asteraceae Plant Type: Herbaceous Plant Habit: Upright Plant Quality: Good Foliage Color: Medium Green Plant Height: 8-10 inches Plant Width: About 1 foot Cultural Problems: Nuisances: Insect Problems: Disease Problems: Landscape Uses: Border, mass, cut flowers fresh or dried Flower Effectiveness: Good Flower Color: Light Peach to Pink Flower Size: clusters up to 5 inches Flower Height: Up to 2 feet Flower Effectiveness: Good Comments on plant: 3/8 5/18 6/7 7/5 8/2 9/12 10/3 3/20 5/22 Hailstor 6/20 7/18 8/15 9/26 10/17 4/4 8/29 4/22 Page 2 of 1013 2018 Perennial Trial Evaluation Department of Horticulture and Landscape Architecture, Colorado State University Scientific Name Achillea Source Darwin Perennials Common Name New Vintage™ Red Yarrow Tsnum: 17055 Variety Bed: New Cultivar New Vintage™ Red Family Asteraceae Plant Type: Herbaceous perennial Plant Habit: clump Plant Quality: Excellent Foliage Color: Plant Height: 11in Plant Width: About 1 foot Cultural Problems: Nuisances: Insect Problems: Disease Problems: Landscape Uses: Flower Effectiveness: Flower Color: Red Flower Size: Flower Height: Flower Effectiveness: Comments on plant: 3/8 5/18 6/7 budding 7/5 40 8/2 9/12 10 10/3 10 5/22 Hailstor 3/20 6/20 5 7/18 100 8/15 9/26 20 10/17 100 4/4 8/29 30 4/22 Page 3 of 1013 2018 Perennial Trial Evaluation Department of Horticulture and Landscape Architecture, Colorado State University Scientific Name Achillea Source Darwin Perennials Common Name New Vintage™ Rose Yarrow Tsnum: 17054 Variety Bed: New Cultivar New Vintage™ Rose Family Asteraceae Plant Type: Herbaceous perennial Plant Habit: clump Plant Quality: Excellent Foliage Color: Plant Height: 12 inches Plant Width: About 1 foot Cultural Problems: Nuisances: Insect Problems: Disease Problems: Landscape Uses: Flower Effectiveness: Flower Color: Pink Flower Size: Flower Height: Flower Effectiveness: Comments on plant: 3/8 5/18 6/7 7/5 8/2 9/12 10/3 3/20 5/22 Hailstor 6/20 7/18 8/15 9/26 10/17 4/4 8/29 4/22 Page 4 of 1013 2018 Perennial Trial Evaluation Department of Horticulture and Landscape Architecture, Colorado State University Scientific Name Achillea Source Darwin Perennials Common Name New Vintage™ Violet Yarrow Tsnum: 17056 Variety Bed: New Cultivar New Vintage™ Violet Family Asteraceae Plant Type: Herbaceous perennial Plant Habit: clump Plant Quality: Excellent Foliage Color: Plant Height: 10 inches Plant Width: About 1 foot Cultural Problems: Nuisances: Insect Problems: Disease Problems: Landscape Uses: Flower Effectiveness: Flower Color: Purple Flower Size: Flower Height: Flower Effectiveness: Comments on plant: 3/8 5/18 6/7 7/5 20 8/2 70 9/12 100 10/3 100 5/22 Hailstor 3/20 6/20 budding 7/18 50 8/15 100 9/26 100 10/17 100 4/4 8/29 100 4/22 Page 5 of 1013 2018 Perennial Trial Evaluation Department of Horticulture and Landscape Architecture, Colorado State University Scientific Name Achillea filipendulina Source Springbrook Gardens Common Name Coronation Gold Yarrow Tsnum: 80193 Variety -0- Bed: A Cultivar Coronation Gold Family Asteraceae Plant Type: Herbaceous perennial Plant Habit: Upright spreading Plant Quality: Good Foliage Color: Pale greyish green Plant Height: Around 2.5 feet Plant Width: 3.5 feet Cultural Problems: Nuisances: Insect Problems: Disease Problems: Landscape Uses: Border, mass, cut flowers fresh or dried Flower Effectiveness: Good Flower Color: Yellow Flower Size: Up to 3 inches in diameter Flower Height: Up to 5 feet Flower Effectiveness: Good Comments on plant: 3/8 5/18 5 6/7 50 7/5 100 8/2 100 9/12 100 10/3 50 5/22 Hailstor 3/20 6/20 90 7/18 100 8/15 100 9/26 100 10/17 20 budding 4/4 8/29 100 4/22 budding Page 6 of 1013 2018 Perennial Trial Evaluation Department of Horticulture and Landscape Architecture, Colorado State University Scientific Name Achillea filipendulina Source Bluestone Perennials Common Name Parker Fernleaf Yarrow Tsnum: 84206 Variety -0-6 Bed: A Cultivar Parker's Variety Family Asteraceae Plant Type: Herbaceous perennial Plant Habit: Upright, spreading Plant Quality: Good A, fair C Foliage Color: Light green to greyish-green Plant Height: Up to 3 feet Plant Width: Spreads over 4 feet Cultural Problems: Nuisances: Insect Problems: Disease Problems: Landscape Uses: Border, mass, cut flowers fresh or dried Flower Effectiveness: Good Flower Color: Yellow Flower Size: Up to 3 inches in diameter Flower Height: Up to 4.5 feet (A) C Flower Effectiveness: Good Comments on plant: 3/8 5/18 budding 6/7 30 7/5 70 8/2 100 9/12 100 10/3 100 5/22 Hailstor 3/20 6/20 50 7/18 100 8/15 100 9/26 100 10/17 20 budding 4/4 8/29 100 4/22 budding Page 7 of 1013 2018 Perennial Trial Evaluation Department of Horticulture and Landscape Architecture, Colorado State University Scientific Name Achillea millefolium Source Unknown Common Name Common Yarrow Tsnum: 76040 Variety -0- Bed: H Cultivar -0- Family Asteraceae Plant Type: Herbaceous perennial Plant Habit: Upright spreading Plant Quality: Good Foliage Color: Medium green Plant Height: Around 1 foot Plant Width: Planting has spread to over 6 feet Cultural Problems: Nuisances: Insect Problems: Disease Problems: Landscape Uses: Border, wildflower or cottage garden, xeriscape, native planting Flower Effectiveness: Fair to good Flower Color: White Flower Size: Individual flowers up to 3 inches in diameter Flower Height: Up to 2.5 feet Flower Effectiveness: Fair to good Comments on plant: 3/8 5/18 10 6/7 60 7/5 100 8/2 100 9/12 20 10/3 30 5/22 Hailstor 3/20 6/20 100 7/18 100 8/15 100 9/26 20 10/17 40 budding 4/4 8/29 70 4/22 10 Page 8 of 1013 2018 Perennial Trial Evaluation Department of Horticulture and Landscape Architecture, Colorado State University Scientific Name Achillea millefolium Source Perennial Trials Common Name 505 Yarrow Tsnum: 11079 Variety Bed: A Cultivar 505 Family Asteraceae Plant Type: Herbaceous perennial Plant Habit: Clump Plant Quality: Good Foliage Color: Medium to dark green Plant Height: 2 feet Plant Width: 3 feet Cultural Problems: Nuisances: Insect Problems: Disease Problems: Landscape Uses: Border, wildflower or cottage garden, xeriscape Flower Effectiveness: Good Flower Color: Salmon Flower Size: Clusters up to 5 inches in diameter Flower Height: Up to 2.5 feet Flower Effectiveness: Good Comments on plant: 3/8 5/18 30 6/7 100 7/5 60 8/2 40 9/12 40 10/3 5/22 Hailstor 3/20 6/20 70 7/18 30 8/15 50 9/26 30 10/17 budding 4/4 8/29 40 4/22 5 Page 9 of 1013 2018 Perennial Trial Evaluation Department of Horticulture and Landscape Architecture, Colorado State University Scientific Name Achillea millefolium Source Perennial Trials Common Name 507 Yarrow Tsnum: 11080 Variety Bed: A Cultivar 507 Family Asteraceae Plant Type: Herbaceous perennial Plant Habit: Upright/Spreading Plant Quality: Excellent, less compact than Achillea 505 Foliage Color: Medium to dark green Plant Height: 2 feet Plant Width: 3 feet Cultural Problems: Nuisances: Insect Problems: Disease Problems: Landscape Uses: Border, wildflower or cottage garden, xeriscape Flower Effectiveness: Excellent Flower Color: Light pink/Peach to Tan Flower Size: Umble up to 6 inches long Flower Height: Up to 2.5 feet Flower Effectiveness: Excellent Comments on plant: 3/8 5/18 budding 6/7 100 7/5 100 8/2 9/12 10/3 3/20 5/22 Hailstor 6/20 100 7/18 20 8/15 9/26 10/17 4/4 8/29 4/22 budding Page 10 of 1013 2018 Perennial Trial Evaluation Department of Horticulture and Landscape Architecture, Colorado State University Scientific Name Achillea millefolium Source Blooms of Bressingham Common Name Little Moonshine Yarrow Tsnum: 18081 Variety Bed: Cultivar ACBZ0002 Family Asteraceae Plant Type: Herbaceous perennial Plant Habit: Upright spreading Plant Quality: Foliage Color: Plant Height: 18in Plant Width: About 2.5 feet Cultural Problems: Nuisances: Insect Problems: Disease Problems: Landscape Uses: Flower Effectiveness: Flower Color: Flower Size: Flower Height: Flower Effectiveness: Comments on plant: 3/8 5/18 6/7 7/5 8/2 9/12 10/3 3/20 5/22 Hailstor 6/20 7/18 8/15 9/26 10/17 4/4 8/29 4/22 Page 11 of 1013 2018 Perennial Trial Evaluation Department of Horticulture and Landscape Architecture, Colorado State University Scientific Name Achillea millefolium Source Bluebird Nursery Inc. Common Name Debutante Yarrow Tsnum: 92235 Variety taygetea Bed: M Cultivar Debutante Family Compositae Plant Type: Herbaceous perennial Plant Habit: Upright spreading Plant Quality: Good Foliage Color: Medium green Plant Height: 10 inches Plant Width: About 2.5 feet Cultural Problems: Nuisances: Insect Problems: Disease Problems: Landscape Uses: Border, wildflower garden, xeriscape Flower Effectiveness: Good Flower Color: Greyish white Flower Size: Clusters up to 4 inches long Flower Height: 3 feet tall Flower Effectiveness: Good Comments on plant: 3/8 5/18 6/7 7/5 8/2 9/12 10/3 3/20 5/22 Hailstor 6/20 7/18 8/15 9/26 10/17 4/4 8/29 4/22 Page 12 of 1013 2018 Perennial Trial Evaluation Department of Horticulture and Landscape Architecture, Colorado State University Scientific Name Achillea millefolium Source GM Nurseries Inc.