Perennials Catalog Technical Information 62 l 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 Hemerocallis fulva Endlesslily™ 12 to 14 6.0 to 6.5 1.0 to 1.5 5 to 10 Evenly Moist Neutral 51 / 51 Mounded Danziger √ Heuchera hybrida Kira™ 12 to 14 5.7 to 6.8 0.7 to 1.0 4 to 9 Evenly Moist Neutral 25 / 25 Mounded Danziger √ Iberis sempervirens First Flush™ 10 to 12 5.8 to 6.2 1.5 to 2.0 5 to 9 Moderately Dry Neutral 15 / 25 Mounded Danziger √ Lamium maculatum Lami™ 8 to 10 5.7 to 6.8 1.0 to 1.5 3 to 8 Moderately Dry Long Day 15 / 61 Semi - Trailing Danziger √ Lavandula angustifolia Layla™ 12 to 14 5.7 to 6.8 1.0 to 1.5 5 to 9 Moderately Dry Facultative Long Day 40 / 25 Upright Danziger √ Lavandula angustifolia 12 to 14 5.7 to 6.8 1.0 to 1.5 5 to 9 Moderately Dry Facultative Long Day 46 / 46 Mounded Open variety √ Lavandula stoechas Laveanna™ 12 to 14 5.5 to 6.5 1.0 to 1.5 7 to 9 Moderately Dry Facultative Long Day 40 / 30 Upright Danziger √ Leucanthemum superbum Lucille™ 8 to 10 5.7 to 6.8 1.0 to 1.5 5 to 9 Evenly Moist Facultative Long Day Multiple Upright Danziger √ Leucanthemum x superbum 12 to 14 5.7 to 6.8 1.0 to 1.5 5 to 9 Evenly Moist Facultative Long Day Multiple Upright Terra Nova Leucanthemum x superbum 8 to 10 5.7 to 6.8 1.0 to 1.5 4 to 9 Evenly Moist Facultative Long Day 30 / 38 Upright Open variety Leucanthemum x superbum 7 to 9 5.8 to 6.2 2.0 to 3.0 5 to 9 Evenly Moist Facultative Long Day 38/56 Upright Walters Gardens Monarda didyma Electric Neon 8 to 10 5.8 to 6.5 1.5 to 2.6 4 to 8 Evenly Moist Long Day 55/50 Upright Walters Gardens √ Monarda didyma Pardon My 8 to 10 5.8 to 6.6 1.5 to 2.7 4 to 8 Evenly Moist Long Day 45/70 Upright Walters Gardens √ Monarda hybrida Leading Lady 8 to 10 5.8 to 6.7 1.5 to 2.8 4 to 8 Evenly Moist Long Day 35/55 Upright Walters Gardens √ Nepeta faassenii NOVA® ‘Blue 8 to 10 6.0 to 7.0 0.8 to 1.0 6 to 10 Moderately Dry Long Day 30 / 38 Mounded Terra Nova √ Penstemon digitalis Dakota™ 6 to 8 5.5 to 7.0 1.5 to 2.0 3 to 8 Moderately Dry Neutral 30 / 45 Upright Terra Nova √ Penstemon hartwegii `Dark Towers` 6 to 8 5.5 to 7.0 1.8 to 2.2 3 to 8 Moderately Dry Neutral 30 / 45 Upright Terra Nova √ Penstemon hartwegii Flock of Flamingos 11 to 13 5.8 to 7.0 1.5 to 1.8 6 to 9 Moderately Dry Neutral 30 / 45 Upright Terra Nova √ Penstemon hybrida NOVA® ‘Pearl 10 to 12 5.5 to 6.5 1.0 to 1.5 6 to 9 Moderately Dry Long Day 30 / 28 Upright Terra Nova √ Penstemon hybrida NOVA® ‘Twilight 10 to 12 5.5 to 6.5 1.0 to 1.5 6 to 9 Moderately Dry Long Day 30 / 28 Upright Terra Nova √ Penstemon hybrida Parade of Parrots 11 to 13 5.8 to 7.0 1.5 to 1.8 6 to 9 Moderately Dry Neutral 30 / 45 Upright Terra Nova √ Penstemon hybrida Harlequin™ 10 to 12 5.5 to 6.5 1.0 to 1.5 6 to 9 Moderately Dry Long Day 56 / 41 Upright Terra Nova √ Phlox divaricata 8 to 10 5.5 to 6.5 1.0 to 1.5 3 to 8 Evenly Moist Neutral 25 / 25 Trailing Open variety Snowcap 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. -12.2 to -6.72 -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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