DARWIN PERENNIALS FINISHING GUIDE
LIGHT LEVELS IN FOOT- CANDLES
SERIES/ VARIETY
MEDIA PH
VERNALIZATION REQUIRED
WATERING FERTILIZATION
PAGE CROP
TEMPERATURE DAYLENGTH
Use a balanced fertilizer at a rate of 125 to 150 ppm.
Day length neutral
No
5,000 to 8,000
Allow media to dry moderately
'Super Star'
5.8-6.2 Nights: 55 to
COREOPSIS Coreopsis hybrida
37
65°F (13 to 17°C) Days: 60 to 80°F (15 to 27°C)
between watering.
Use a balanced fertilizer at a rate of 125 to 150 ppm.
5,000 to 8,000
Allow media to dry moderately
Crème Caramel 5.8-6.2 Days: 55 to 80°F (13 to 27°C)
Long day obligate
Beneficial to enhance bulking and plant size.
COREOPSIS Coreopsis verticillata
37
between watering.
Day length neutral
No
5,000 to 8,000
Low to moderate Use a balanced
Ocean Sunset™ Series
5.8-6.2 Nights: 56 to
38 DELOSPERMA
fertilizer at a rate of 150 to 175 ppm N.
64°F (13 to 18°C) Days: 65 to 76°F (18 to 24°C) 60°F (13 to 16°C) Days: 60 to 70°F (16 to 21°C)
Delosperma hybrida
Use a balanced fertilizer at a rate of 150 to 175 ppm N.
Long day facultative
No
5,000 to 8,000
Allow media to dry moderately
'Red Lark'
5.8-6.2 Nights: 55 to
40 DELPHINIUM
Delphinium x hybrida
between watering.
3,000 to 5,000
Low to moderate Use a balanced
5.8-6.2 45 to 60°F (7 to 16°C)
Day length neutral
Beneficial for an increased quantity of Spring blooms.
Mountain Frost™ Pink Carpet, Pink PomPom,
42 DIANTHUS
fertilizer at a rate of 125 to 150 ppm N.
Dianthus hybrida
Pink Twinkle, Red Garnet, Ruby Glitter, Ruby Snow
3,000 to 5,000
Low to moderate Use a balanced
Mountain Frost™ Rose Bouquet
5.8-6.2 45 to 60°F (7 to 16°C)
Day length neutral
Beneficial for an increased quantity of Spring blooms. Beneficial for an increased quantity of Spring blooms. Beneficial for an increased quantity of Spring blooms.
42 DIANTHUS
fertilizer at a rate of 125 to 150 ppm N.
Dianthus hybrida
3,000 to 5,000
Low to moderate Use a balanced
Mountain Frost™ Silver Strike
5.8-6.2 45 to 60°F (7 to 16°C)
Day length neutral
42 DIANTHUS
fertilizer at a rate of 125 to 150 ppm N.
Dianthus hybrida
3,000 to 5,000
Low to moderate Use a balanced
Mountain Frost™ White Twinkle
5.8-6.2 45 to 60°F (7 to 16°C)
Day length neutral
42 DIANTHUS
fertilizer at a rate of 125 to 150 ppm N. Use a balanced fertilizer at a rate of 125 to 150 ppm.
Dianthus hybrida DIGITALIS Digitalis hybrida
Long day facultative
No
3,000 to 5,000
Allow media to dry moderately
Arctic Fox™ Series
5.8-6.2 Nights: 55 to
41
60°F (13 to 16°C) Days: 60 to 65°F (16 to 18°C)
between watering.
Use a balanced fertilizer at a rate of 125 to 150 ppm.
Long day obligate
No
3,500 to 5,000
Allow media to dry moderately
Double Scoop™ Series
5.8-6.2 Nights: 55 to
ECHINACEA Echinacea x hybrida
47
60°F (13 to 16°C) Days: 60 to 65°F (16 to 18°C)
between watering.
Sombrero Poco™ Series
5.8-6.2 60 to 68°F (16 to 20°C)
Long day obligate
No
5,000 to 8,000
Moderate
Use a balanced fertilizer at a rate of 150 to 175 ppm N. Use a balanced fertilizer at a rate of 150 to 175 ppm N.
46 ECHINACEA
Echinacea x hybrida
Sombrero ® Series
5.8-6.2 60 to 68°F (16 to 20°C)
Long day obligate
No
5,000 to 8,000
Moderate
44-45 ECHINACEA
Echinacea x hybrida
Brightside™ Series
5.8-6.2 50 to 60°F (10 to 16°C)
Day length neutral
Yes
3,000 to 5,000
Low to moderate 150 to 175 ppm N.
48 ERYSIMUM
Erysimum cultivars
'Bowles Me Away'
5.8-6.2 50 to 60°F (10 to 16°C)
Day length neutral
Yes
3,000 to 5,000
Low to moderate 150 to 175 ppm N.
49 ERYSIMUM
Erysimum linifolium
Use a balanced fertilizer at a rate of 125 to 150 ppm.
Long day obligate
No
5,000 to 8,000
Allow media to dry moderately between watering. Prefers moist soils. Allow media to dry moderately
'Little Joe'
5.8-6.2 Nights: 55 to
49 EUPATORIUM
65°F (13 to 18°C) Days: 65 to 75°F (18 to 24°C)
Eupatorium dubium
Use a balanced fertilizer at a rate of 150 to 175 ppm. Use a balanced fertilizer at a rate of 125 to 150 ppm.
Long day obligate
No
5,000 to 8,000
Euphoria™ Ruby
5.8-6.2 Nights: 55 to
49 EUPATORIUM Eupatorium purpureum 52 GAILLARDIA
60°F (13 to 16°C) Days: 60 to 65°F (16 to 18°C)
between watering.
No
3,000 to 5,000
Allow media to dry moderately
Guapa Series 5.8-6.2 Nights: 55 to 60°F (13 to 16°C) Days: 60 to 65°F (16 to 18°C)
Gaillardia aristata
between watering.
Product information and culture charts at darwinperennials.com
152 | FINISHING GUIDE
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