Darwin Perennials 2027 Catalog

CROP SCHEDULE & USES 1-QT. (10-CM) POT, 1 PLANT PER POT

PLANT GROWTH REGULATORS

PINCHING AFTER TRANSPLANT

PESTS AND FUNGAL DISEASES

2 TO 3-GAL. (25 TO 30-CM) POT, 3 PLANTS PER POT

USDA HARDINESS ZONES

1-GAL. (15-CM) POT, 1 PLANT PER POT

BLOOM MONTHS April to September

HEIGHT

12-18 in. (30-46 cm)

6-9

Unrooted: 14-16 wks, 3-5 ppp Rooted: 11-13 wks, 3-5 ppp

Recommended PGRs generally not needed

Pythium, rhizoctonia, botrytis

Unrooted: 10-13 wks Rooted: 7-10 wks

Unrooted: 12-15 wks, 2-3 ppp Rooted: 9-12 wks, 2-3 ppp

Recommended PGRs generally not needed

Spider mites, aphids Unrooted: 12-14 wks Rooted: 8-10 wks

Unrooted: 15-17 wks Rooted: 10-12 wks

Unrooted: 19-22 wks Rooted: 12-14 wks

16-18 in. (41-46 cm)

6-9

April to September

Recommended PGRs generally not needed

Spider mites, aphids Unrooted: 12-14 wks Rooted: 8-10 wks

Unrooted: 15-17 wks Rooted: 10-12 wks

Unrooted: 19-22 wks Rooted: 12-14 wks

14-16 in. (36-41 cm)

6-9

April to September

Not recommended Rooted: 10-12 wks Rooted: 12-14 wks

10-12 in. (25-30 cm)

3-8

March to November

Spider mites, thrips, botrytis, bacterial spotting

No

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.

No

None

Rust resistant

8-10 wks

14-16 wks

20-24 wks, 1 ppp

30-36 in. (76-91 cm)

5-9

October to November

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)

5-9

September to October

No

None

Rust resistant

Not recommended 16-18 wks

24-26 wks, 1 ppp

72-102 in. (183-259 cm)

5-9

October to November

66-78 in. (168-198 cm)

4-8

August to October

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

rhizoctonia can appear

36-42 in. (91-107 cm)

4-8

August to October

Not recommended

No

PGRs generally not needed

if overwatered Phythium and

rhizoctonia can appear

36-38 in. (91-97 cm)

4-8

August to October

Not recommended

No

PGRs generally not needed

if overwatered Phythium and

rhizoctonia can appear

36-42 in. (91-107 cm)

4-8

August to October

Not recommended

No

PGRs generally not needed

if overwatered Phythium and

rhizoctonia can appear

24-30 in. (61-76 cm)

4-8

August to October

Not recommended

No

PGRs generally not needed

if overwatered Phythium and

rhizoctonia can appear

Yes

PGRs generally not needed

Spider mites, thrips Not recommended Rooted: 10-12 wks Rooted: 10-12 wks

14-16 in. (36-41 cm)

4-9

July to September

7-10 wks

9-11 wks, 1-3 ppp 10-12 wks, 3-5 ppp 8-12 in. (20-30 cm)

5-8

April to June

Recommended PGRs generally not needed

Botrytis can result from overwatering. Thrips, white fly, aphids, fungus gnats.

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)

5-10

September to November

Typically not necessary if plants were pinched in the liner. Yes, in cases where there are two or less shoots.

Not recommended 9-11 wks

10-12 wks

24-30 in. (61-76 cm)

4-9

June to September

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

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)

4-9

June to August

Recommended PGRs generally not needed

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)

5-9

March to October

No

No

Not sensitive

Not recommended 8-10 weeks from bare root in Spring

8-10 weeks from bare root in Spring

14-16 in. (36-41 cm)

5-9

March to October

No

No

Not sensitive

Not recommended 8-10 weeks from bare root in Spring

8-10 weeks from bare root in Spring

14-20 in. (36-51 cm)

5-9

March to October

No

No

Not sensitive

Not recommended 8-10 weeks from bare root in Spring

8-10 weeks from bare root in Spring

25-28 in. (64-71 cm)

5-9

March to October

No

No

Not sensitive

Not recommended 8-10 weeks from bare root in Spring

8-10 weeks from bare root in Spring

29-32 in. (74-81 cm)

5-9

March to October

FINISHING GUIDE | 155

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