2024 Grower Success Guide | Americas

PERENNIALS | SEED PROPAGATION

Aquilegia caerulea Columbine KIRIGAMI ™

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

No Cover

70–72° F (20–22° C)

64–68° F (18–20° C)

66 °F (19 °C)

pH: 5.5–5.9 SME: 0.5–0.75 mS/cm

Arenaria montana Sandwort BLIZZARD ™ COMPACT

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

4–7

Early Spring

288-cell tray

2–3

Light Vermiculite 64–68° F (18–20° C)

62–66°F (16–19° C)

64 °F (18 °C)

pH: 5.8–6.2 SME 0.5–0.75 mS/cm

Aurinia saxatilis Alyssum SUMMIT ™

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

6–9

Early Spring

288-cell tray

3–4

No Cover

65–72° F (18–22° C)

64–68° F (18–20° C)

65 °F (18 °C)

pH: 5.5–5.9 SME: 0.25–0.5 mS/cm

Bellis perennis English Daisy BAM BAM ™

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

Pelletted

4–7

Early Spring

288-cell tray

1

Light Vermiculite 65–70° F (18–21° C)

64–68° F (18–20° C)

65 °F (18 °C)

pH: 5.5–5.9 SME 0.5–0.75 mS/cm

Bergenia cordifloia Berginia SHOESHINE ™

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

288-cell tray

1–2

No Cover

See ADT

See ADT

63 °F (17.5 °C)

pH: 5.5–5.9 SME 0.25–0.5 mS/cm

Campanula carpatica Bellflower PRISTAR ™

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

Summer

288-cell tray

3–4

No Cover

68–72° F (20–22° C)

See ADT

63 °F (17.5 °C)

pH: 5.8–6.2 SME 0.5–0.75 mS/cm

Campanula portenschlagiana Bellflower CLOCKWISE ™

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

Summer

288-cell tray

3

No Cover

68–72° F (20–22° C)

64–68° F (18–20° C)

65 °F (18 °C)

pH: 5.8–6.2 SME 0.5–0.75 mS/cm

Coreopsis grandiflora Tickseed ANDIAMO ®

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

Summer

288-cell tray

3

No Cover

65–72° F (18–22° C)

65–68° F (18–20° C)

64 °F (18 °C)

pH: 5.5–5.9 SME 0.5–0.75 mS/cm

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