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 8-10 weeks from bare root in Spring
USDA HARDINESS ZONES
BLOOM MONTHS March to October
1-GAL. (15-CM) POT, 1 PLANT PER POT
HEIGHT
No
No
Not sensitive
Not recommended 8-10 weeks from bare root in Spring Not recommended 8-10 weeks from bare root in Spring Not recommended 8-10 weeks from bare root in Spring Not recommended 8-10 weeks from bare root in Spring Not recommended 8-10 weeks from bare root in Spring
29-32 in. (74-81 cm) 16-18 in. (41-46 cm) 26-32 in. (66-81 cm) 28-31 in. (71-79 cm) 28-30 in. (71-76 cm) 10-12 in. (25-30 cm)
5-9
No
No
Not sensitive
8-10 weeks from bare root in Spring
March to October
5-9
No
No
Not sensitive
8-10 weeks from bare root in Spring 8-10 weeks from bare root in Spring 8-10 weeks from bare root in Spring
March to October March to October March to October
5-9
No
No
Not sensitive
5-9
No
No
Not sensitive
5-9
6-8 wks
10-12 wks
12-14 wks
No
PGRs generally not needed
Pythium and rhizoctonia can result from overwatering. Pythium and rhizoctonia can result from overwatering.
April to May
4-9
6-8 wks
10-12 wks
12-14 wks
10-12 in. (25-30 cm)
No
PGRs generally not needed
April to May
4-9
No
PGRs generally not needed
Watch for crown rot if overwatered.
Not recommended Rooted: 6-8 wks
10-12 wks
16-18 in. (41-46 cm)
April to May
4-9
PGRs generally not needed
Not particularly sensitive.
24 wks; requires vernalization
24 wks; requires vernalization
Not recommended 6-8 in.
Only if pinching not done in the liner stage.
February to April
4-9
(15-20 cm)
14-16 wks for Summer to Fall flowering
26-29 in. (66-74 cm)
Not recommended 12-14 wks for Summer to Fall flowering
None
PGRs not needed
Pythium can result from overwatering. Aphids can also be a problem. Thielaviopsis, pythium and rhizoctonia can result from overwatering. Thrips, white fly, aphids, fungus gnats. Thielaviopsis, pythium and rhizoctonia can result from overwatering. Thrips, white fly, aphids, fungus gnats. Thielaviopsis, pythium and rhizoctonia can result from overwatering. Thrips, white fly, aphids, fungus gnats. Thielaviopsis, pythium and rhizoctonia can result from overwatering. Thrips, white fly, aphids, fungus gnats. Thielaviopsis, pythium and rhizoctonia can result from overwatering. Thrips, white fly, aphids, fungus gnats. Thielaviopsis, pythium and rhizoctonia can result from overwatering. Thrips, white fly, aphids, fungus gnats. Watch for crown rot if overwatered.
July to November
6-9
PGRs generally not needed
Unrooted: 14-16 wks Rooted: 7-8 wks
Unrooted: 16-19 wks Rooted: 9-11 wks
Unrooted: 19-22 wks Rooted: 12-14 wks
16-18 in. (41-46 cm)
Once for smaller pot sizes, twice for larger containers. Once for smaller pot sizes, twice for larger containers. A final pinching 8 to 10 weeks before flowering will help to increase flower count.
April to September
4-9
PGRs generally not needed
Unrooted: 14-16 wks Rooted: 7-8 wks
Unrooted: 16-19 wks Rooted: 9-11 wks
Unrooted: 19-22 wks Rooted: 12-14 wks
10-12 in. (25-30 cm)
April to September
5-8
PGRs generally not needed
7-10 wks
9-11 wks, 1-3 ppp 10-12 wks, 3-5 ppp 10-12 in. (25-30 cm)
March to July
6-9
Recommended PGRs generally not needed
7-10 wks
9-11 wks, 1-3 ppp 10-12 wks, 3-5 ppp 14-18 in. (36-46 cm)
March to July
6-9
PGRs generally not needed
7-10 wks
9-11 wks
10-12 wks
16-18 in. (41-46 cm)
Not necessary if pinches provided in liner
Year round depending on location
7-9
Recommended PGRs generally not needed
7-10 wks
9-11 wks, 1-3 ppp 10-12 wks, 3-5 ppp 12-15 in. (30-38 cm)
March to July
6-9
Typically not required
PGRs generally not needed
Not recommended 9-11 wks
12-14 wks
14-17 in. (36-43 cm)
June to August
5-9
Typically not required
PGRs generally not needed
Watch for crown rot if overwatered.
7-10 wks
9-11 wks
Not recommended 14-16 in. (36-41 cm)
March to October
5-9
Recommended PGRs generally not needed
Powdery mildew may be present if grown under poor air circulation and high humidity. White fly, spider mites.
Unrooted: 12-14 wks Rooted: 8-10 wks
Unrooted: 14-16 wks Rooted: 10-12 wks
Unrooted: 14-16 wks Rooted: 12-14 wks
10-12 in. (25-30 cm)
June to July
4-9
Not recommended 9-11 wks
10-12 wks
15-18 in. (38-46 cm)
Typically not required
PGRs generally not needed
Powdery mildew when pressure is high.
June to July
4-9
Aphids, white fly, spider mites
Not recommended Unrooted: 15-17 wks Rooted: 10-12 wks
Unrooted: 15-17 wks Rooted: 10-12 wks
28-36 in. (71-91 cm)
Use daminozide/chlormequat chloride 2,500/800 ppm to control height
Not necessary when pinched in liner.
March to September
4-9
Unrooted: 15-17 wks Rooted: 10-12 wks
Unrooted: 19-22 wks Rooted: 12-14 wks
18 in. (46 cm)
Recommended PGRs generally not needed
White fly
Unrooted: 10-14 wks Rooted: 8-10 wks
May to September
4-8
Spider mites, thrips Not recommended 9-11 wks
10-12 wks
24-28 in. (61-71 cm)
Typically not required
Daminozide/chlormequat chloride sprays 2,500/1,000 ppm
April to September
3-9
93
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