PERENNIALS | SEED PROPAGATION
Papaver nudicaule Iceland Poppy SPRING FEVER ®
GERMINATION TEMPERATURE
PRODUCT FORM
HARDINESS USDA ZONE
BLOOMING SEASON
RECOMMENDED TRAY SIZE
SEEDS PER PLUG
SEED COVER
ADT
MEDIA PH / EC
STAGE 1 & 2
STAGE 3 & 4
Raw
3–7
Early Spring–Spring
288-cell tray
3
No Cover
66–72° F (19–22° C)
66–72° F (19–22° C)
62 °F (17 °C)
pH: 5.5–5.9 SME 0.5–0.75 mS/cm
Platycodon grandiflora Balloon Flower TWINKLE ™
GERMINATION TEMPERATURE
PRODUCT FORM
HARDINESS USDA ZONE
BLOOMING SEASON
RECOMMENDED TRAY SIZE
SEEDS PER PLUG
SEED COVER
ADT
MEDIA PH / EC
STAGE 1 & 2
STAGE 3 & 4
Raw
3–8
Spring– Summer 288-cell tray
3–4
No Cover
See ADT
See ADT
62 °F (17 °C)
pH: 5.5–5.9 SME 0.5–0.75 mS/cm
Pritzelago alpina Chamois Cress ICECUBE ™
GERMINATION TEMPERATURE
PRODUCT FORM
HARDINESS USDA ZONE
BLOOMING SEASON
RECOMMENDED TRAY SIZE
SEEDS PER PLUG
SEED COVER
ADT
MEDIA PH / EC
STAGE 1 & 2
STAGE 3 & 4
Raw
3–9
Early Spring– Spring
288-cell tray
3–4
Yes
See ADT
See ADT
63 °F (17.5 °C)
pH: 5.8–6.2 SME 0.5–0.75 mS/cm
Salvia x superba Salvia MERLEAU ®
GERMINATION TEMPERATURE
PRODUCT FORM
HARDINESS USDA ZONE
BLOOMING SEASON
RECOMMENDED TRAY SIZE
SEEDS PER PLUG
SEED COVER
ADT
MEDIA PH / EC
STAGE 1 & 2
STAGE 3 & 4
Raw
4–9
Spring– Summer 288-cell tray
2–3
No Cover
62–68° F (16–20° C)
64–68° F (18–20° C)
68 °F (20 °C)
pH: 5.8–6.2 SME 0.5–0.75 mS/cm
Saxifraga x arendsii Saxifraga LOFTY ™
GERMINATION TEMPERATURE
PRODUCT FORM
HARDINESS USDA ZONE
BLOOMING SEASON
RECOMMENDED TRAY SIZE
SEEDS PER PLUG
SEED COVER
ADT
MEDIA PH / EC
STAGE 1 & 2
STAGE 3 & 4
Raw
4–9
Early Spring– Spring
288-cell tray
2
Yes
See ADT
See ADT
65 °F (19 °C)
pH: 5.8–6.2 SME 0.25–0.5 mS/cm
120
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