PERENNIALS / FINISHING GUIDE
CLASS/SERIES
HARDINESS ZONE
RECOMMENDED PLUG SIZE
GROWING ON TEMPERATURE (DAYS/NIGHTS) (day) 65-68°F (18-20°C) (night) 57-66°F (14-19°C)
TARGET MEDIA PH/EC (1:2)
DAYLENGTH
PEROVSKIA Perovskia atriplicifolia Blue Steel
4-9
288 72
5.8-6.2 pH 1.2-1.4 mmhos/cm
Day Neutral Light accumulator – higher light levels increase development and finish.
PEROVSKIA Perovskia atriplicifolia Bluesette
(day) 65-68°F (18-20°C) (night) 57-60°F (14-16°C)
4-9
288 72
5.8-6.2 pH 1.2-1.4 mmhos/cm
Facultative Long Day Light accumulator – higher light levels increase development and finish.
RUDBECKIA Rudbeckia fulgida var. sullivantii Goldblitz
(day) 65-68°F (18-20°C) (night) 60-65°F (16-18°C)
3-9
288 72
5.8-6.5 pH 1.2-1.5 mmhos/cm
Obligate Long Day Critical daylength of 14.5 hours.
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FINISHING GUIDE / Additional culture info online • panamseed.com/culture
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