Perennials Catalog Technical Information 75 Crop Name Finish Time Wks 12 to 15 cm Optimal pH Optimal EC Cold Hardiness Grnhse Water Requirement Day length to Flower Height cm/ Width cm Growth Habit Breeding First Year Flowering Achillea millefolium Desert Eve™ 10 to 12 5.7 to 6.8 1.5 to 2.0 4 to 9 Moderately Dry Facultative Long Day 35 / 35 Upright Syngenta Achillea millefolium Firefly™ 8 to 10 5.5 to 6.2 1.5 to 2.5 3 to 8 Evenly Moist Facultative Long Day 80 / 90 Upright Werner Gerits √ Agastache Pink Pearl 10 to 12 5.5 to 6.5 1.5 to 2.0 6 to 10 Moderately Dry Facultative Long Day 20 / 40 Mounded Terra Nova Agastache hybrida Sunny Sparks™ 10 to 12 5.5 to 6.5 1.0 to 1.5 6 to 11 Moderately Dry Facultative Long Day 41 / 51 Upright Danziger √ Agastache hybrida Kudos™ 10 to 12 5.5 to 6.5 1.0 to 1.5 5 to 10 Moderately Dry Facultative Long Day 40 / 50 Upright Terra Nova Agastache hybrida Poquito™ 10 to 12 5.5 to 6.5 1.0 to 1.5 5 to 10 Moderately Dry Facultative Long Day 25 / 28 Upright Terra Nova Ajuga reptans 10 to 12 5.5 to 6.5 1.5 to 2.0 4 to 10 Moderately Dry Obligate Long Day 15 / 28 Groundcover Plant Haven Amsonia tabernaemontana String Theory 12 (Requires Dormancy) 5.5 to 6.2 2.0 to 3.0 4 to 9 Moderate to Moist Neutral 55 / 90 Upright Walters Gardens Aubrieta hybrida Axcent™ 19 to 21 5.5 to 6.0 0.7 to 1.0 6 to 9 Moderately Dry Neutral 30 / 76 Mounded Syngenta Calocephalus brownii Silver Bush 10 to 12 6 to 6.5 0.6 to 0.9 4 to 11 Moderate to Moist 40/60 Mounded Open variety Caryopteris incana Pavilion™ 10 to 12 5.6 to 6.3 1.5 to 2.0 5 to 9 Evenly Moist Short Days 40/50 Upright Danziger Coreopsis grandiflora Solanna™ 8 to 10 5.7 to 6.8 0.7 to 1.0 5 to 10 Evenly Moist Obligate Long Day 40/55 Mounded/ Semi-Upright Danziger √ Coreopsis hybrida 6 to 8 5.8 to 6.8 0.7 to 1.0 5 to 10 Moderately Dry Long Day Mounded Terra Nova Coreopsis hybrida Sunstar™ 8 to 10 5.7 to 6.8 0.7 to 1.0 5 to 9 Evenly Moist Long Day 61 / 76 Mounded Terra Nova Coreopsis verticillata 10 to 12 5.7 to 6.8 0.7 to 1.0 3 to 9 Evenly Moist Obligate Long Day 61 / 46 Upright Open variety √ Delosperma cooperi Early Bird™ 8 to 10 5.7 to 6.8 0.7 to 1.0 6 to 10 Moderately Dry Long Day 8 / 25 Semi-Trailing Danziger √ Delosperma cooperi Delightful™ 8 to 10 5.5 to 6.3 1.2 to 1.5 5 to 10 Moderately Dry Neutral 8 / 10 Mounded Danziger √ Delosperma cooperi Sandgem™ 7 to 9 5.5 to 6.3 1.2 to 1.5 5 to 10 Moderately Dry Neutral 8 / 10 Mounded Danziger √ Delosperma cooperi Splendid™ 7 to 9 5.5 to 6.3 1.2 to 1.5 5 to 10 Moderately Dry Neutral 8 / 10 Mounded Danziger √ Dianthus plumarius Delilah™ 10 to 12 5.5 to 6.5 1.0 to 1.5 4 to 9 Evenly Moist Neutral 25 / 25 Upright Danziger √ Euryops hybrida Sunshine Silver 14 to 16 6.1 to 6.5 1.0 to 1.2 Zone 7-10 Medium Day Neutral 75 / 75 Upright Open variety √ Erysimum hybrida Sunstrong™ 8 to 10 5.7 to 6.8 1.0 to 1.5 6 to 10 Moderately Dry Neutral 48 / 38 Upright Danziger √ Eupatorium dubium 10 to 12 5.5 to 6.5 1.0 to 1.5 4 to 8 Moist Obligate Long Day 13 / 8 Upright Open variety Echinacea Panama™Red/Guatamala 16 to 18 5.7 to 6.5 0.8 to 1.0 Zone 5-11 Medium 12 to 14 hours 30 / 20 Upright Werner Gerits √ Gaillardia aristata Galya™ 8 to 10 5.5 to 6.5 1.0 to 1.5 4 to 10 Moderately Dry Long Day Promotes 30 / 30 Mounded Danziger √ Gaillardia aristata Gusto™ 9 to 11 5.8 to 6.2 1.5 to 1.8 4 to 9 Evenly Moist Neutral 13 / 30 Mounded Danziger √ Gaura lindheimeri Steffi™ 10 to 12 5.7 to 6.8 1.0 to 1.5 5 to 9 Moderately Dry Neutral 91 / 30 Upright Danziger √ Gypsophila paniiculata Festival® 10 to 12 5.7 to 6.8 1.0 to 1.5 4 to 8 Moderately Dry Long Day 30/50 Upright Danziger √ Zone 2 3 4 5 6 7 8 9 10 11 12 13 Temprature in 0c -45.6 to -40 -40 to -34.4 -34.4 to – 28.9 - 28.9 to -23.3 -23.3 to -17.8 -17.8 to -12.2 -12.2 to -6.7 -6.7 to 1.1 -1.1 to 4.4 4.4 to 10 10 to 15.6 15.6 to 21.1
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