FINISHING GUIDE / ANNUALS
FINISHING PROGRAMS
KEY TIPS
4"/4.5"/Quart/10 cm , 1 (ppp), 5-6 (weeks), Summer 5"/6"/1 Gallon/15 cm , 2-3 (ppp), 5-6 (weeks), Summer 8"/2 Gallon/20 cm , 3 (ppp), 7-8 (weeks), Summer 12" Pot or HB/5 Gallon/30 cm , 3-4 (ppp), 9-11 (weeks), Summer
To avoid flowering as a foliage plant, grow under daylength longer than 11 hours.
5"/6"/1 Gallon/15 cm , 1 (ppp), 7-9 (weeks), Late Spring 5"/6"/1 Gallon/15 cm , 1 (ppp), 7-10 (weeks), Summer 12" Pot or HB/5 Gallon/30 cm , 3 (ppp), 9-11 (weeks), Summer
All Megawatt varieties flower faster under daylength of 12 hours or shorter. Longer daylength could delay flowering 4 to 7 days for all Megawatt varieties. If necessary, it is effective to spray paclobutrazol at 2 to 5 ppm, depending on environmental conditions, plant growing stage, and varieties for Megawatt plant size control. Repeat as needed. Growers can use PGRs on Begonia Hula only when necessary. Hula responds well to a tank mix of daminozide (B-Nine/Alar) and Chlormequat (CCC). Daminozide (B-Nine/Alar) 2,500 ppm. Clormequat (CCC) 150 ppm and 300 ppm. Paclobutrazol (Bonzi) also works, but should be used with caution, as it could cause stunting in plants. Under ADT of about 68°F/20°C, Paclobutrazol 2-3 ppm spray is recommended.
306 Pack/1801 , 1 (ppp), 6-8 (weeks), Spring 4"/4.5"/Quart/10 cm , 1 (ppp), 6-8 (weeks), Spring 5"/6"/1 Gallon/15 cm , 1-2 (ppp), 6-8 (weeks), Spring 12" Pot or HB/5 Gallon/30 cm , 3-4 (ppp), 8-10 (weeks), Spring 5"/6"/1 Gallon/15 cm , 1 (ppp), 11-13 (weeks), Spring, PGR chlormequat chloride 300-500 ppm Spray 12" Pot or HB/5 Gallon/30 cm , 4 (ppp), 14-15 (weeks), Spring, PGR chlormequat chloride 300-500 ppm Spray
Do not overwater plants to prevent root issues. Keep humidity low (between 40 to 60%) to avoid problems with powdery mildew. For height control, a negative DIF of 2 to 3 degrees is very effective to prevent stretching of plants. When using a negative DIF, less to no PGRs are needed. Do not overwater plants to prevent root issues. Keep humidity low (between 40 to 60%) to avoid problems with powdery mildew. For height control, a negative DIF of 2 to 3 degrees is very effective to prevent stretching of plants. When using a negative DIF, less to no PGRs are needed. Do not overwater plants to prevent root issues. Keep humidity low (between 40 to 60%) to avoid problems with powdery mildew. For height control, a negative DIF of 2 to 3 degrees is very effective to prevent stretching of plants. When using a negative DIF, less to no PGRs are needed.
5"/6"/1 Gallon/15 cm , 1 (ppp), 11-13 (weeks), Spring, PGR chlormequat chloride 300-500 ppm Spray 12" Pot or HB/5 Gallon/30 cm , 4 (ppp), 14-15 (weeks), Spring, PGR chlormequat chloride 300-500 ppm Spray
5"/6"/1 Gallon/15 cm , 1 (ppp), 9-10 (weeks), Spring, PGR chlormequat chloride 300-500 ppm Spray 10" Pot or HB/3 Gallon/25 cm , 3 (ppp), 12-13 (weeks), Spring, PGR chlormequat chloride 300-500 ppm Spray 12" Pot or HB/5 Gallon/30 cm , 4 (ppp), 12-13 (weeks), Spring, PGR chlormequat chloride 300-500 ppm Spray
5"/6"/1 Gallon/15 cm , 1 (ppp), 6-9 (weeks), Spring
Flowers fastest between 12 to 14-hour days.
5"/6"/1 Gallon/15 cm , 1 (ppp), 7-10 (weeks), Spring 5"/6"/1 Gallon/15 cm , 1 (ppp), 5-7 (weeks), Summer
First Flame varieties do not need PGRs. If necessary, variety is responsive to B-Nine/Alar (daminozide) spray at 2,000 to 3,000 ppm (2.4 to 3.5 g/l, 85% formulation or 3.1 to 4.7 g/l 64% formulation) depending on weather. Keep media constantly moist to prevent premature flowering. First Flame Purple is around one week faster to flower compared to the rest of the series. Keep medium constantly moist and do not allow to dry out. No PGRs are needed. If needed, Celosia Ice Cream is responsive to B-Nine/ Alar (daminozide) spray at 2,000 to 3,000 ppm (2.4 to 3.5 g/l, 85% formulation or 3.1 to 4.7 g/l 64% formulation) depending on weather. Celosia Foliage do not need PGRs. Keep media constantly moist to prevent premature flowering. Foliage colour tends to be green when kept indoors, but more intense and turning more burgundy when the plant is left outdoors under higher light levels. Celosia Foliage do not need PGRs. Keep media constantly moist to prevent premature flowering. Foliage colour tends to be green when kept indoors, but more intense and more burgundy-red when the plant is left outdoors under higher light levels. Ethephon can be applied to increase branching and control height.
306 Pack/1801 , 1 (ppp), 6-8 (weeks), Spring 4"/4.5"/Quart/10 cm , 1 (ppp), 7-9 (weeks), Spring 306 Pack/1801 , 1 (ppp), 5-7 (weeks), Summer 4"/4.5"/Quart/10 cm , 1 (ppp), 5-7 (weeks), Summer 5"/6"/1 Gallon/15 cm , 1 (ppp), 7-10 (weeks), Spring 5"/6"/1 Gallon/15 cm , 1 (ppp), 5-7 (weeks), Summer
5"/6"/1 Gallon/15 cm , 1 (ppp), 7-10 (weeks), Spring 5"/6"/1 Gallon/15 cm , 1 (ppp), 5-7 (weeks), Summer
Cell Pack , 1 (ppp), 5-6 (weeks), Spring
306 Pack/1801 , 1 (ppp), 4-5 (weeks), Spring 4"/4.5"/Quart/10 cm , 1 (ppp), 4-5 (weeks), Spring 5"/6"/1 Gallon/15 cm , 1 (ppp), 5-6 (weeks), Spring
Ethephon can be applied to increase branching and control height.
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