ANNUALS / FINISHING GUIDE
CLASS/SERIES
RECOMMENDED PLUG SIZE
GROWING ON TEMPERATURE (DAYS/NIGHTS) (day) 65-75°F (18-24°C) (night) 61-65°F (16-18°C)
TARGET MEDIA PH/EC (1:2)
DAYLENGTH
COSMOS Cosmos bipinnatus Antiquity
288
5.8-6.2 pH 1.0-1.5 mmhos/cm
Facultative Short Day Cosmos flowers faster under short days. Daylength extension in the plug stage to more than 12 hours daylength may be used to prevent premature flowering.
COSMOS Cosmos sulphureus Mandarin COSMOS Cosmos bipinnatus Sonata ™ Series
(day) 60-64°F (16-18°C) (night) 57-60°F (14-16°C)
288
5.8-6.2 pH 1.2-1.5 mmhos/cm
Facultative Short Day
(day) 64-68°F (18-20°C) (night) 60-64°F (16-18°C)
288
5.8-6.2 pH 1.0-1.5 mmhos/cm
Facultative Short Day Cosmos flowers faster under short days. Daylength extension in the plug stage to more than 12 hours daylength may be used to prevent premature flowering.
CROSSANDRA Crossandra infundibuliformis Tropic Series
(day) 75-80°F (24-27°C) (night) 68-75°F (20-24°C)
288
5.8-6.5 pH 1.2-1.5 mmhos/cm
Day Neutral
CUPHEA Cuphea ramosissima Pink Shimmer
(day) 70-75°F (21-24°C) (night) 65-68°F (18-20°C)
288
5.8-6.5 pH 1.2-1.5 mmhos/cm
Day Neutral
CUPHEA Cuphea procumbens Sweet Talk ™ F 1 Series
(day) 70-78°F (21-26°C) (night) 60-70°F (16-21°C)
288
5.8-6.2 pH 1.5-2.0 mmhos/cm
Facultative Short Day
DAHLIA Dahlia x hybrida Figaro ™ Series
(day) 52-60°F (11-16°C) (night) 52-60°F (11-16°C)
288
5.8-6.2 pH 0.75-1.0 mmhos/cm
Obligate Long Day Ideal daylength for Figaro Dahlia is in between 12 and 14 hours. Short days will cause tuber formation. Too long days (16 hours) will keep the plants more vegetative and delay flower initiation.
DIANTHUS Dianthus chinensis Coronet ™ F 1 Series
(day) 60-72°F (16-22°C) (night) 50-60°F (10-16°C)
288
5.8-6.2 pH 1.5-2.0 mmhos/cm
Facultative Long Day
DIANTHUS Dianthus barbatus Dart ™ F 1 Series
(day) 65-75°F (18-24°C) (night) 43-60°F (6-16°C)
288
5.8-6.2 pH 1.5-2.0 mmhos/cm
Facultative Long Day Dart is lightly sensitive to daylength. Temperature and light intensity have higher impact on flowering timing/crop time than daylength.
DIANTHUS Dianthus barbatus Dash ™ F 1 Series
(day) 65-75°F (18-24°C) (night) 40°F (4°C)
288
5.8-6.2 pH 1.5-2.0 mmhos/cm
Facultative Long Day
DIANTHUS Dianthus barbatus interspecific Dynasty F 1 Series
(day) 60-72°F (16-22°C) (night) 50-60°F (10-16°C)
288
5.8-6.2 pH 1.5-2.0 mmhos/cm
Facultative Long Day
50
FINISHING GUIDE / Additional culture info online • panamseed.com/culture
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