Product information and culture charts at darwinperennials.com
CROP SCHEDULE & USES 1-QT. (10-CM) POT, 1 PLANT PER POT
PESTS AND FUNGAL DISEASES
PLANT GROWTH REGULATORS
PINCHING AFTER TRANSPLANT
2 TO 3-GAL. (25 TO 30-CM) POT, 3 PLANTS PER POT Unrooted: 19-22 wks Rooted: 12-14 wks
USDA HARDINESS ZONES
BLOOM MONTHS April to September
1-GAL. (15-CM) POT, 1 PLANT PER POT Unrooted: 15-17 wks Rooted: 10-12 wks
HEIGHT
12 in. (30 cm)
Unrooted: 10-14 wks Rooted: 8-10 wks
Yes
PGRs generally not needed
Spider mites, thrips. Watch for INSV/TSWV.
5-8
Yes
PGRs generally not needed
White fly, spider mites
Not recommended Rooted: 10-12 wks Rooted: 12-14 wks
18-20 in. (46-51 cm)
May to August
5-9
Uniconazole-P sprays beneficial Spider mites, thrips Not recommended Unrooted: 19-22 wks Rooted: 12-14 wks
Unrooted: 21-23 wks Rooted: 14-16 wks
20-24 in. (51-61 cm)
Second trim after liner pinch is beneficial
July to August
6-9
Not recommended Unrooted: 15-17 wks Rooted: 10-12 wks
Unrooted: 19-22 wks Rooted: 12-14 wks
30-34 in. (76-86 cm)
Yes
PGRs generally not needed
Spider mites, thrips. Watch for INSV/TSWV.
May to July
5-8
Not recommended Unrooted: 14-16 wks Rooted: 10-12 wks
Unrooted: 14-16 wks Rooted: 10-12 wks
28-30 in. (71-76 cm)
Recommended PGRs generally not needed
Pythium can be a problem if overwatered. White fly, spider mites. Powdery mildew when pressure is high. Powdery mildew when pressure is high. Powdery mildew when pressure is high.
July to September
3-9
Rooted: 7-9 wks
Rooted: 10-12 wks Rooted: 12-14 wks
14-16 in. (36-41 cm)
Benzyladenine at 600 ppm to increase branching
April to May
4-8
Rooted: 7-9 wks
Rooted: 10-12 wks Rooted: 12-14 wks
6-8 in. (15-20 cm)
Benzyladenine at 600 ppm to increase branching
Yes, in cases where there are two or less shoots. Yes, in cases where there are two or less shoots. Yes, in cases where there are two or less shoots.
April to May
4-8
Not recommended Rooted: 10-12 wks Rooted: 12-14 wks
16-18 in. (41-46 cm)
Benzyladenine at 600 ppm to increase branching
June to August
4-9
Not recommended Rooted: 10-12 wks Rooted: 12-14 wks
18-20 in. (46-51 cm)
Benzyladenine at 600 ppm to increase branching
Powdery mildew when pressure is high.
June to August
4-9
6-8 wks
10-12 wks
12-14 wks
6-8 in. (15-20 cm)
None
PGRs generally not needed
Pythium and rhizoctonia can result from overwatering.
April to June
5-9
No
Daminozide/chlormequat chloride combination at 3,750 ppm/500 ppm can be used to tone foliage. May delay flowering. Uniconazole-P sprays after flower initiation if needed. PGRs generally not needed
Aphids, leaf miners, leaf spot
Not recommended 12-14 wks
12-14 wks
30-34 in. (76-86 cm)
Late June to September
5-8
Yes
White fly, thrips
Rooted: 6-8 wks
Rooted: 8-10 wks Rooted: 12-14 wks
12-14 in. (30-36 cm)
March to September
7-9
PGRs generally not needed
White fly, spider mites
Unrooted: 12-14 wks Rooted: 8-10 wks
Unrooted: 14-16 wks Rooted: 10-12 wks
Unrooted: 16-18 wks Rooted: 12-14 wks
16-18 in. (41-46 cm)
Once for smaller pot sizes, twice for larger containers.
March to September
7-10
Yes
PGRs generally not needed
White fly, spider mites, botrytis
Unrooted: 13-15 wks Rooted: 8-10 wks
Unrooted: 15-17 wks Rooted: 10-12 wks
Unrooted: 17-19 wks Rooted: 12-14 wks
20-22 in. (51-56 cm)
March to September
4-9
Yes
PGRs generally not needed
White fly, spider mites, botrytis
Unrooted: 13-15 wks Rooted: 8-10 wks
Unrooted: 15-17 wks Rooted: 10-12 wks
Unrooted: 17-19 wks Rooted: 12-14 wks
22-24 in. (56-61 cm)
March to September
4-9
Spider mites
Not recommended 10-12 wks
12-14 wks
14-16 in. (36-41 cm)
Typically not required
Will respond to 300 ppm benzyladenine spray at young plant level
March to September
4-9
Unrooted: 12-14 wks Rooted: 8-10 wks
Not recommended 2-4 in.
PGRs generally not needed
Generally pest and disease free.
Unrooted: 10-12 wks Rooted: 6 wks Unrooted: 10-12 wks Rooted: 6 wks Unrooted: 10-12 wks Rooted: 6 wks Unrooted: 10-12 wks Rooted: 6 wks
One pinch, two to three weeks after transplant. One pinch, two to three weeks after transplant. One pinch, two to three weeks after transplant. One pinch, two to three weeks after transplant.
3-9
(5-10 cm)
Unrooted: 12-14 wks Rooted: 8-10 wks
Not recommended 7-10 in.
Generally pest and disease free.
PGRs generally not needed. B9 is effective if needed, especially under lower light conditions
July to August
5-9
(18-25 cm)
Unrooted: 12-14 wks Rooted: 8-10 wks
Unrooted: 15-17 wks Rooted: 10-12 wks
3-6 in. (8-15 cm)
PGRs generally not needed
Generally pest and disease free.
Non- flowering
4-9
Unrooted: 12-14 wks Rooted: 8-10 wks
Not recommended 2-5 in.
PGRs generally not needed
Generally pest and disease free.
July to August
5-9
(5-13 cm)
Rooted: 4-6 wks
Rooted: 6-8 wks
10-12 wks
2-5 in. (5-13 cm)
Typically not required
Not particularly sensitive. Use well- drained media.
June to July
4-8
Yes
PGRs generally not needed
Aphids, white fly
Not recommended Unrooted: 14-16 wks Rooted: 10-12 wks
Unrooted: 16-18 wks Rooted: 12-14 wks
14-18 in. (36-46 cm)
April to September
4-9
Unrooted: 14-16 wks Rooted: 10-12 wks
Unrooted: 16-18 wks Rooted: 12-14 wks
12-14 in. (30-36 cm)
Yes
PGRs generally not needed
Aphids, white fly
Unrooted: 10-14 wks Rooted: 8-10 wks
May to October
4-9
Unrooted: 11-13 wks Rooted: 6-8 wks
Unrooted: 13-15 wks Rooted: 8-10 wks
Unrooted: 13-15 wks Rooted: 8-10 wks
8-10 in. (20-25 cm)
Recommended PGRs generally not needed Watch for thielaviopsis, pythium, white fly, spider mites.
February to October
4-9
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