ANNUALS / FINISHING GUIDE
CLASS/SERIES
RECOMMENDED PLUG SIZE
GROWING ON TEMPERATURE (DAYS/NIGHTS) (day) 64-80°F (18-27°C) (night) 61-68°F (16-20°C)
TARGET MEDIA PH/EC (1:2)
DAYLENGTH
PLECTRANTHUS Plectranthus argentatus Silver Shield
288
5.8-6.2 pH 1.2-1.5 mmhos/cm
Under short days, plants will initiate flowers.
PORTULACA Portulaca grandiflora Happy Hour ™ F 1 Series
(day) 68-76°F (20-24°C) (night) 65-67°F (18-19°C)
288
5.5-6.2 pH 1.5-2.0 mmhos/cm
Day Neutral If transplanting plugs when daylength is shorter than 10 hours and 30 minutes, provide long day conditions. Day Neutral If transplanting plugs when daylength is shorter than 10 hours, provide long day conditions.
PORTULACA Portulaca grandiflora Happy Trails ™ F 1 Series
(day) 68-76°F (20-24°C) (night) 65-67°F (18-19°C)
288
5.5-6.2 pH 1.5-2.0 mmhos/cm
PRIMULA Primula acaulis Heritage Crème F 1
(day) 55-60°F (13-16°C) (night) 50-55°F (10-13°C)
288
5.5-6.2 pH 1.0-1.2 mmhos/cm
Facultative Long Day
PRIMULA Primula acaulis Primlet® Series
(day) 55-60°F (13-16°C) (night) 50-55°F (10-13°C)
288
5.5-6.2 pH 1.0-1.2 mmhos/cm
Facultative Long Day
PURSLANE Portulaca oleracea Toucan Series
(day) 68-75°F (20-24°C) (night) 65-68°F (18-20°C)
288
6.0-6.5 pH 1.5-2.0 mmhos/cm
Day Neutral
RUELLIA Ruellia brittoniana (Ruellia tweediana) Southern Star Series
(day) 68-75°F (20-24°C) (night) 65-68°F (18-20°C)
288
6.0-6.5 pH 1.5-2.0 mmhos/cm
Facultative Short Day
SALVIA Salvia canariensis Lancelot
(day) 65-72°F (18-22°C) (night) 62-65°F (17-18°C)
288
5.5-5.8 pH 1.5-2.0 mmhos/cm
Facultative Long Day with critical daylength 13 hours
SALVIA Salvia splendens Lighthouse Series
(day) 68-74°F (20-23°C) (night) 64-68°F (18-20°C)
288
5.5-5.8 pH 1.2-1.5 mmhos/cm
Facultative Long Day
SALVIA Salvia splendens Scarlet King SALVIA Salvia splendens Vista ™ Series
(day) 68-74°F (20-23°C) (night) 64-68°F (18-20°C)
288
5.5-5.8 pH 1.2-1.5 mmhos/cm
Facultative Long Day
(day) 68-74°F (20-23°C) (night) 64-68°F (18-20°C)
288
5.5-5.8 pH 1.2-1.5 mmhos/cm
Facultative Long Day
SALVIA INTERSPECIFIC Salvia longispicata x farinacea Big Blue
(day) 68-78°F (20-26°C) (night) 64-68°F (18-20°C)
288 128
5.8-6.2 pH 1.2-1.5 mmhos/cm
Facultative intermediate-day flowering response with fastest flowering at 14 and 15 hours. At ≤13 hours, flowering delayed by ~3 weeks than at 14 and 15 hours. At ≥16 hours and night interruption, flowering delayed by ~1 week than at 14 and 15 hours.
SNAPDRAGON Antirrhinum majus Rocket F 1 Series
(day) 65-80°F (18-27°C) (night) 55-60°F (13-16°C)
288
5.8-6.2 pH 1.5-2.0 mmhos/cm
Facultative Long Day
66
FINISHING GUIDE / Additional culture info online • panamseed.com/culture
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