PERENNIALS | SEED PROPAGATION
Delphinium elatum Larkspur DELPHINA ™
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
4–8
Spring– Summer 128-cell tray
2–3
Light Vermiculite 65–72° F (18–22° C)
64–68° F (18–20° C)
65 °F (18 °C)
pH: 6.1–6.5 SME 0.5–0.75 mS/cm
Delphinium elatum Larkspur EXCALIBUR ™
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
4–8
Spring– Summer 288-cell tray
2–3
Light Vermiculite 65–72° F (18–22° C)
64–68° F (18–20° C)
66 °F (19 °C)
pH: 6.1–6.5 SME 0.5–0.75 mS/cm
Delphinium grandiflorum Larkspur HUNKY DORY ™
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
5–9
Spring– Summer 288-cell tray
2–3
Light Vermiculite 65–72° F (18–22° C)
64–68° F (18–20° C)
65 °F (18 °C)
pH: 5.8–6.2 SME 0.25–0.5 mS/cm
Dianthus barbatus Sweet William BARBARINI ®
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
288-cell tray
1–2
Light Vermiculite 65–72° F (18–22° C)
62–65° F (16–18° C)
64 °F (18 °C)
pH: 5.5–5.9 SME 0.9–1.3 mS/cm
Digitalis purpurea Foxglove CAMELOT ™
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 128-cell tray
2–3
No Cover
65–70° F (18–21° C)
64–68° F (18–20° C)
62 °F (17 °C)
pH: 5.8–6.2 SME 0.5–0.75 mS/cm
Doronicum orientale Leopard’s Bane LEONARDO ™
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
Pelleted
4–7
Early Spring
288-cell tray
3
No Cover
68–72° F (20–22° C)
64–68° F (18–20° C)
66 °F (19 °C)
pH: 5.8–6.2 SME 0.9–1.3 mS/cm
Echinacea purpurea Coneflower PRAIRIE SPLENDOR ™ / PRAIRIE SPLENDOR ™ COMPACT / PRAIRIE BLAZE ™
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
Spring– Summer 288-cell tray
2– 4
Yes
70–75° F (21–24° C)
62–65° F (16–18° C)
62 °F (17 °C)
pH: 5.8–6.2 SME 0.9–1.3 mS/cm
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