VEGETATIVE PROPAGATION
Lobelia TECHNO ® UPRIGHT Lobelia erinus REC TRAY PRODUCT FORM ROOTING HORMONE MIST TIME
PINCH
PROP TIME BOTTOM HEAT
105-cell (30 mm) or larger
URC, AutoStix ®
Not recommended
CapSil ® (spray adjuvant) can be sprayed on the cuttings at a rate of 2–4 oz/100 gal within 1–2 days after sticking to help rehydrate the cuttings. Misting should be significantly reduced after 2–3 days and after cuttings become fully hydrated.
Recommended 3.5–4 weeks 70–74 °F (21–23 °C)
Comments: To control growth after rooting, sprays of B-Nine ® WSG (1,500–2,500 ppm) is sufficient. It is also becoming popular for growers to combine Florel ® (350 ppm) with the B-Nine ® WSG (1,500 ppm) to increase growth control and to improve branching. These Florel ® + B-Nine ® WSG combo sprays should be applied to actively growing plants. Do not spray B-Nine ® WSG or Florel ® + B-Nine ® WSG tank mixes on stressed or weak cuttings. For all sprays listed above, the mist should be off for a minimum of one hour for the plant growth regulator (PGR) to absorb into the leaf tissue.
Lysimachia GOLDII Lysimachia nummularia REC TRAY PRODUCT FORM ROOTING HORMONE MIST TIME
PINCH
PROP TIME BOTTOM HEAT
105-cell (30 mm) or larger
URC, AutoStix ®
Not recommended
CapSil ® (spray adjuvant) can be sprayed on the cuttings at a rate of 2–4 oz/100 gal within 1–2 days after sticking to help rehydrate the cuttings. Misting should be significantly reduced after 2–3 days and after cuttings become fully hydrated.
Recommended 4 weeks
70–74 °F (21–23 °C)
Comments: Goldii Lysimachia is a trailing plant that is typically pinched once in propagation to control growth. Transplant on time to avoid stretched growth and over-grown liners.
Osteospermum TRADEWINDS ® Osteospermum ecklonis REC TRAY PRODUCT FORM ROOTING HORMONE MIST TIME
PINCH
PROP TIME BOTTOM HEAT
105-cell (30 mm) or larger
URC, CC, AutoStix ®
Recommended
CapSil ® (spray adjuvant) can be sprayed on the cuttings at a rate of 2–4 oz/100 gal within 1–2 days after sticking to help rehydrate the cuttings. Misting should be significantly reduced after 2–3 days and after cuttings become fully hydrated.
Not recommended
4.5–5 weeks 70–74 °F (21–23 °C)
Comments: Do not reduce mist too soon during propagation. Continue light misting until all cuttings are rooted into the media. Reducing mist too early can result in slow and uneven rooting across the bench. To keep plants under control, a spray of B-Nine ® WSG (2,500 ppm) or B-Nine ® WSG (2,500 ppm) + Cycocel ® (1,000 ppm) can be applied after cuttings are well-rooted and vegetative growth begins. It is also becoming popular for growers to combine Florel ® (350 ppm) with the B-Nine ® WSG (1,500–2,500 ppm) to increase growth control and to improve branching. These Florel ® + B-Nine ® WSG combo sprays should be applied to actively growing plants and done ideally before pinching. Do not spray B-Nine ® WSG or Florel ® + B-Nine ® WSG tank mixes on stressed or weak cuttings. For all sprays listed above, the mist should be off for a minimum of one hour for the plant growth regulator (PGR) to absorb into the leaf tissue.
Pentas STARCLUSTER ™ Pentas lanceolata REC TRAY PRODUCT FORM ROOTING HORMONE MIST TIME
PINCH
PROP TIME BOTTOM HEAT
105-cell (30 mm) or larger
URC, CC
Recommended
CapSil ® (spray adjuvant) can be sprayed on the cuttings at a rate of 2–4 oz/100 gal within 1–2 days after sticking to help rehydrate the cuttings. Misting should be significantly reduced after 2–3 days and after cuttings become fully hydrated.
Recommended 5 weeks
72–74 °F (22–23 °C)
Comments: Starcluster Pentas are slow rooters, so provide sufficient temperature during propagation. Sprays of B-Nine ® WSG (2,500 ppm) are generally sufficient. For all sprays listed above, the mist should be off for a minimum of one hour for the plant growth regulator (PGR) to absorb into the leaf tissue.
Pentas STARCLUSTER ™ CASCADE Pentas lanceolata REC TRAY PRODUCT FORM ROOTING HORMONE MIST TIME
PINCH
PROP TIME BOTTOM HEAT
105-cell (30 mm) or larger
URC, CC
Recommended
CapSil ® (spray adjuvant) can be sprayed on the cuttings at a rate of 2–4 oz/100 gal within 1–2 days after sticking to help rehydrate the cuttings. Misting should be significantly reduced after 2–3 days and after cuttings become fully hydrated.
Recommended 5 weeks
72–74 °F (22–23 °C)
Comments: Vegetative Pentas typically do not need plant growth regulator (PGR) applications during propagation. If growth control is needed, sprays of B-Nine ® WSG (2,500 ppm) are generally sufficient. For all sprays listed above, the mist should be off for a minimum of one hour for the PGR to absorb into the leaf tissue.
Petunia DEKKO ™ Petunia hybrida REC TRAY PRODUCT FORM ROOTING HORMONE MIST TIME
PINCH
PROP TIME BOTTOM HEAT
105-cell (30 mm) or larger
URC, AutoStix ®
Not recommended
CapSil ® (spray adjuvant) can be sprayed on the cuttings at a rate of 2–4 oz/100 gal within 1–2 days after sticking to help rehydrate the cuttings. Misting should be significantly reduced after 2–3 days and after cuttings become fully hydrated.
Not recommended
3–3.5 weeks 70–74 °F (21–23 °C)
Comments: Dekko Petunia have moderate vigor and are generally less vigorous than many full-trailing petunia types. To control growth after rooting, sprays of B-Nine ® WSG (2,500 ppm) are usually sufficient. A tank-mix spray of Florel ® (350 ppm) + B-Nine ® WSG (2,500 ppm) can also be used to control growth and improve branching. Do not spray Florel ® on stressed or weak cuttings. For all sprays listed above, the mist should be off for a minimum of one hour for the PGR to absorb into the leaf tissue.
Petunia FUN HOUSE ™ Petunia hybrida REC TRAY PRODUCT FORM ROOTING HORMONE MIST TIME
PINCH
PROP TIME BOTTOM HEAT
105-cell (30 mm) or larger
URC
Not recommended
CapSil ® (spray adjuvant) can be sprayed on the cuttings at a rate of 2–4 oz/100 gal within 1–2 days after sticking to help rehydrate the cuttings. Misting should be significantly reduced after 2–3 days and after cuttings become fully hydrated.
Not recommended
3–3.5 weeks 70–74 °F (21–23 °C)
Comments: Fun House Petunia has good vigor and generally will need chemical growth regulation in propagation. To control growth after rooting, sprays of B-Nine ® WSG (2,500–3,500 ppm) are effective. A tank-mix spray of Florel ® (350 ppm) + B-Nine ® WSG (2,500 ppm) can also be used to control growth and improve branching. Do not spray Florel ® on stressed or weak cuttings. For Fun House Potpourri Petunia applying B-Nine ® WSG alone or in combo (1,250 ppm) with Florel ® may impact the bicolor floral pattern to have a greater yellow expression at finish. For all sprays listed above, the mist should be off for a minimum of one hour for the PGR to absorb into the leaf tissue.
G R O W E R S U C C E S S G U I D E 2 0 2 2 – 2 0 2 3 | A N N U A L S
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