DARWIN PERENNIALS FINISHING GUIDE
LIGHT LEVELS IN FOOT- CANDLES 3,000 to 5,000
SERIES/ VARIETY
MEDIA PH
VERNALIZATION REQUIRED
WATERING
FERTILIZATION
PAGE CROP
TEMPERATURE DAYLENGTH
Use a balanced fertilizer at a rate of 150 to 175 ppm N. Use a balanced fertilizer at a rate of 125 to 150 ppm. Use a balanced fertilizer at a rate of 125 to 150 ppm. Use a balanced fertilizer at a rate of 150 to 175 ppm N. Use a balanced fertilizer at a rate of 125 to 150 ppm. Use a balanced fertilizer at a rate of 150 to 200 ppm N. Use a balanced fertilizer at a rate of 150 to 200 ppm N. Use a balanced fertilizer at a rate of 150 to 200 ppm N. Use a balanced fertilizer at a rate of 150 to 175 ppm N. Use a balanced fertilizer at a rate of 100 to 125 ppm. Use a balanced fertilizer at a rate of 150 to 175 ppm. Use a balanced fertilizer at a rate of 150 to 175 ppm N. Use a balanced fertilizer at a rate of 125 to 150 ppm. Use a balanced fertilizer at a rate of 150 to 200 ppm. Use a balanced fertilizer at a rate of 150 to 200 ppm. Use a balanced fertilizer at a rate of 175 to 200 ppm N. Use a balanced fertilizer at a rate of 125 to 150 ppm. Use a balanced fertilizer at a rate of 100 to 150 ppm. Use a balanced fertilizer at a rate of 125 to 150 ppm. Use a balanced fertilizer at a rate of 125 to 150 ppm. Use a balanced fertilizer at a rate of 150 to 175 ppm N. Use a balanced fertilizer at a rate of 125 to 150 ppm. Use a balanced fertilizer at a rate of 125 to 150 ppm. Use a balanced Pansy/Viola fertilizer at a rate of 125 to 150 ppm.
Long day facultative
No
Allow media to dry moderately between watering. Allow media to dry moderately between watering. Allow media to dry moderately between watering. Allow media to dry moderately between watering. Allow media to dry slightly between watering.
Rock Candy ® Series
5.8-6.2 Nights: 55 to 70°F (13 to 21°C) Days: 60 to 80°F (15 to 27°C) 5.8-6.2 Nights: 55 to 70°F (13 to 21°C) Days: 60 to 80°F (15 to 27°C) 5.8-6.2 Nights: 55 to 70°F (13 to 21°C) Days: 60 to 80°F (15 to 27°C) 5.8-6.2 Nights: 55 to 70°F (13 to 21°C) Days: 60 to 80°F (15 to 27°C) 5.8-6.2 Nights: 55 to 65°F (13 to 18°C) Days: 60 to 65°F (16 to 18°C) 5.8-6.2 60 to 75°F (16 to 24°C)
PENSTEMON Penstemon barbatus
61
Long day facultative
No
3,000 to 5,000
'Cherry Sparks'
PENSTEMON Penstemon hybrida
64
Long day obligate
No
3,000 to 5,000
Mountain Treats™ Series
PENSTEMON Penstemon hybrida
62
Long day facultative
No
3,000 to 5,000
Summit Sweets™ Series
PENSTEMON Penstemon hybrida
63
Long day obligate
No
5,000 to 8,000
'CrazyBlue'
PEROVSKIA Perovskia atriplicifolia
65
Candy Cloud™ Series
Yes
5,000 to 8,000
Moderate
PHLOX Phlox hybrida PHLOX Phlox hybrida
67
5,000 to 8,000
Moderate
Spring Splash™ Series
5.8-6.2 60 to 75°F (16 to 24°C)
Vernalization beneficial for more
68
flowering and earlier blooms
Ka-Pow ® Series 5.8-6.2 60 to 75°F (16 to 24°C)
Long day obligate
No
5,000 to 8,000
Moderate
PHLOX Phlox paniculata
70
Long day obligate
No
5,000 to 8,000
Moderate
Super Ka-Pow™ Series
5.8-6.2 Nights: 56 to 64°F (13 to 18°C) Days: 65 to 76°F (18 to 24°C) 5.8-6.2 Nights: 50 to 55°F (10 to 13°C) Days: 60 to 65°F (16 to 18°C) 6.0-6.4 Nights: 60 to 65°F (16 to 17°C) Days: 65 to 80°F (17 to 27°C) 5.8-6.2 Nights: 55 to 70°F (13 to 21°C) Days: 60 to 80°F (15 to 27°C)
PHLOX Phlox paniculata
71
Day length neutral
Yes
1,500 to 2,500
Allow media to dry slightly between watering.
'Golden Feathers'
POLEMONIUM Polemonium pulcherrimum RUDBECKIA Rudbeckia hybrid
73
Long day obligate
No
5,000 to 9,000
Moderate; avoid wilting.
Suntacular
74
Day length neutral
No
3,000 to 5,000
Allow media to dry moderately between watering. Allow media to dry moderately between watering. Allow media to dry moderately between watering. Allow media to dry moderately between watering.
Mirage ® Series
SALVIA Salvia greggii
79
Day length neutral
No
5,000 to 8,000
'Radio Red'
5.8-6.2 Nights: 45 to
SALVIA Salvia greggii
70°F (7 to 21°C) Days: 55 to 80°F (13 to 27°C) 55°F (7 to 13°C) Days: 55 to 65°F (13 to 18°C) 55°F (7 to 13°C) Days: 55 to 65°F (13 to 18°C)
80
5,000 to 8,000
Day length neutral
Beneficial; aids in bulking. Not required for flowering. Beneficial; aids in bulking. Not required for flowering. Beneficial; aids in bulking. Not required for flowering.
'Blue by You'
5.8-6.2 Nights: 45 to
SALVIA Salvia hybrida
78
5,000 to 8,000
Day length neutral
Lyrical™ Series
5.8-6.2 Nights: 45 to
SALVIA Salvia nemorosa
77
5,000 to 8,000
Moderate
Marvel Series
5.8-6.2 55 to 65°F (13 to 18°C)
Day length neutral
SALVIA Salvia nemorosa
76
No
5,000 to 8,000
Allow media to dry regularly between watering. Allow media to dry slightly between watering. Allow media to dry regularly between watering. Allow media to dry regularly between watering. Allow media to dry moderately between watering. Allow media to dry slightly between watering. Allow media to dry slightly between watering. Allow media to dry slightly between watering.
Shamrock
5.8-6.2 Nights: 55 to 70°F (13 to 21°C) Days: 60 to 80°F (15 to 27°C)
SEDUM Sedum cauticola
82
Long day obligate
No
5,000 to 8,000
Lemon Sparkle 5.8-6.2 Nights: 55 to 70°F (13 to 21°C) Days: 60 to 80°F (15 to 27°C) Prima Angelina 5.8-6.2 Nights: 55 to 70°F (13 to 21°C) Days: 60 to 80°F (15 to 27°C)
SEDUM Sedum middendorffianum SEDUM Sedum rupestre
81
Long day obligate
No
5,000 to 8,000
82
Long day obligate
No
5,000 to 8,000
What a Doozie
5.8-6.2 Nights: 55 to 70°F (13 to 21°C) Days: 60 to 80°F (15 to 27°C)
SEDUM Sedum spurium
81
5,000 to 8,000
Yes, required for flowering; however, plants sell as foliage.
Little Lamb 5.8-6.2 Nights: 56 to 64°F (13 to 18°C) Days: 65 to 76°F (18 to 24°C)
STACHYS Stachys byzantina
83
Long day facultative
No
5,000 to 8,000
Skyward™ Series
5.8-6.2 Nights: 50 to 55°F (10 to 13°C) Days: 60 to 70°F (16 to 21°C) 5.8-6.2 Nights: 50 to 55°F (10 to 13°C) Days: 60 to 70°F (16 to 20°C) 5.5-5.8 Nights: 50 to 55°F (10 to 13°C) Days: 60 to 65°F (16 to 18°C)
VERONICA Veronica hybrid
84
Long day facultative
No
5,000 to 8,000
Moody Blues ® Series
VERONICA Veronica hybrida
85
Day length neutral
No
5,000 to 8,000
Halo Series
VIOLA Viola cornuta
86
94
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