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 14-16 wks Spring plant; 11-13 wks Summer plant for Fall
USDA HARDINESS ZONES
BLOOM MONTHS
1-GAL. (15-CM) POT, 1 PLANT PER POT
HEIGHT
22-24 in. (56-61 cm)
No
Daminozide/chlormequat chloride combination at 3,750- 5,000 ppm, daminozide/500 ppm chlormequat chloride before flowering. Uniconazole-P spray can be used after flowering if needed. Do not use benzyladenine in finished containers. PGRs generally not needed. Not recommended. 300 ppm benzyladenine 2 weeks after transplant when greenhouse grown will reduce overall plant height. Uniconazole-P 5-10 ppm spray
None noted
14-16 wks Spring plant; 11-13
June to August
4-9
wks Summer plant for Fall
Not recommended 10-12 wks
Not recommended 14-16 in. (36-41 cm)
Not particularly sensitive. Use well- drained media. Not particularly sensitive. Use well- drained media.
Only to remove premature flower buds. Only to remove premature flower buds.
June to August
4-9
Not recommended 10-12 wks
Liner: 16-18 wks
18-20 in. (46-51 cm)
June to August
4-9
Watch for bacterial infections.
6-8 wks
10-12 wks
12-14 wks
18-22 in. (46-56 cm)
Yes, a second pinch is often beneficial.
February to April
7-10
Recommended Uniconazole-P 30-60 ppm spray
None noted
Not recommended Rooted: 20 wks
Rooted: 20 wks
36-48 in. (91-122 cm)
July to September
3-9
24-32 in. (61-81 cm)
Unrooted: 15-17 wks Rooted: 10-12 wks Natural flowering early July
PGRs generally not needed
Aphids, white fly, spider mites
Not recommended Unrooted: 15-17 wks Rooted: 10-12 wks Natural flowering in early July
One pinch, two to three weeks after transplant.
July to October
4-9
Not recommended Rooted: 8-10 wks Rooted: 10-12 wks 15-17 in. (38-43 cm)
Aphids, thrips, downy mildew, powdery mildew
Pinch at transplant
Daminozide 3750 ppm/ chlormequat chloride 500 ppm as necessary before color. Uniconazole-P 5-10 ppm after coloring. Generally not needed. Daminozide/chlormequat chloride combination at 3,750-5,000 ppm, daminozide/ chlormequat chloride 500 ppm before flowering. Uniconazole-P spray can be used after flowering if needed.
June to October
5-9
Not recommended Rooted: 10-12 wks Rooted: 12-14 wks
10-12 in. (25-30 cm)
No
Spider mites, thrips, botrytis, bacterial spotting
March to November
3-8
No
None
Rust resistant
8-10 wks
14-16 wks
20-24 wks, 1 ppp 30-36 in. (76-91 cm)
October to November
5-9
No
PGRs generally not needed
Watch for crown rot if overwatered.
Not recommended Not recommended Liner: 16-18 wks
80-86 in. (203-218 cm)
September to October
5-9
No
None
Rust resistant
Not recommended 16-18 wks
24-26 wks, 1 ppp 72-102 in.
October to November
5-9
(183-259 cm)
66-78 in. (168-198 cm)
Not recommended
#1 BR division: 12 to 14 weeks in 2-gal; 16 to 18 weeks in 3-gal #1 BR division: 12 to 14 weeks in 2-gal; 16 to 18 weeks in 3-gal #1 BR division: 12 to 14 weeks in 2-gal; 16 to 18 weeks in 3-gal #1 BR division: 12 to 14 weeks in 2-gal; 16 to 18 weeks in 3-gal #1 BR division: 12 to 14 weeks in 2-gal; 16 to 18 weeks in 3-gal
No
PGRs generally not needed
if overwatered Phythium and
August to October
4-8
rhizoctonia can appear
36-42 in. (91-107 cm)
Not recommended
No
PGRs generally not needed
if overwatered Phythium and
August to October
4-8
rhizoctonia can appear
36-38 in. (91-97 cm)
Not recommended
No
PGRs generally not needed
if overwatered Phythium and
August to October
4-8
rhizoctonia can appear
36-42 in. (91-107 cm)
Not recommended
No
PGRs generally not needed
if overwatered Phythium and
August to October
4-8
rhizoctonia can appear
24-30 in. (61-76 cm)
Not recommended
No
PGRs generally not needed
if overwatered Phythium and
August to October
4-8
rhizoctonia can appear
7-10 wks
9-11 wks, 1-3 ppp 10-12 wks, 3-5 ppp 8-12 in. (20-30 cm)
Recommended PGRs generally not needed Botrytis can result from overwatering. Thrips, white fly, aphids, fungus gnats.
April to June
5-8
PGRs generally not needed
Very pest and disease resistant.
Not recommended 12-14 wks. Plant Week 22-26
12-14 wks. Plant Week 22-26
24-26 in. (61-66 cm)
Typically not necessary if plants were pinched in the liner. Yes, in cases where there are two or less shoots.
September to November
5-10
Not recommended 9-11 wks
10-12 wks
24-30 in. (61-76 cm)
Not particularly sensitive. Use well-drained media. Pythium and rhizoctonia can result from overwatering. Thrips, white fly, aphids.
Daminozide/chlormequat chloride sprays 2,500/1,000 ppm
June to September
4-9
Unrooted: 14-16 wks Rooted: 8-10 wks
Unrooted: 16-19 wks Rooted: 10-12 wks
Unrooted: 19-22 wks Rooted: 12-14 wks
14-16 in. (36-41 cm)
Recommended PGRs generally not needed
June to August
4-9
No
No
Not sensitive
Not recommended 8-10 weeks from bare root in Spring
8-10 weeks from bare root in Spring
38-40 in. (97-102 cm)
March to October
5-9
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
8-10 weeks from bare root in Spring 8-10 weeks from bare root in Spring 8-10 weeks from bare root in Spring
14-16 in. (36-41 cm) 14-20 in. (36-51 cm) 25-28 in. (64-71 cm)
March to October March to October March to October
5-9
No
No
Not sensitive
5-9
No
No
Not sensitive
5-9
91
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