PERENNIALS | SEED FINISHING
Aquilegia caerulea Columbine KIRIGAMI ™
FERTILIZER RATE (PPM N)
FINISHING PROGRAM
PESTS
DISEASES
FINISH PGRS
125–175 ppm N 1 qt. | 1 ppp | 8–10 weeks 1 gal. | 2-3 ppp | 8–10 weeks 2 gal. | 4–5 ppp | 8–10 weeks
If needed, B-Nine ® WSG spray at 2,500–5,000 ppm, or Bonzi ® drench at 10–15 ppm are effective. PGR applications are more effective if applied early in the crop cycle.
Aphids, Thrips, Foliar Nematode, Leafminers
Powdery mildew, Alternaria leaf spot, Pythium, Rhizoctonia, Thielaviopsis, Cucumber
mosaic virus (CMV infections attracts aphids), Impatiens
necrotic spot virus (INSV can be vectored by thrips)
Arenaria montana Sandwort BLIZZARD ™ COMPACT
FERTILIZER RATE (PPM N)
FINISHING PROGRAM
PESTS
DISEASES
FINISH PGRS
75–125 ppm N
1 qt. | 1–2 ppp | 8–9 weeks 1 gal. | 2–3 ppp | 8–9 weeks
Aphids
Botrytis, Pythium, Rhizoctonia
If needed, B-Nine ® WSG spray at 2,500 ppm can be used.
Aurinia saxatilis Alyssum SUMMIT ™
FERTILIZER RATE (PPM N)
FINISHING PROGRAM
PESTS
DISEASES
FINISH PGRS
75–125 ppm N
1 qt. | 1–2 ppp | 5–6 weeks 1 gal. | 3 ppp | 6–7 weeks
Aphids
Botrytis
If needed, sprays of B-Nine ® WSG at 2,500 ppm can be used.
Bellis perennis English Daisy BAM BAM ™
FERTILIZER RATE (PPM N)
FINISHING PROGRAM
PESTS
DISEASES
FINISH PGRS
125–175 ppm N Packs | 1 ppp | 11–13 weeks 1 pt. | 1 ppp | 13–15 weeks 1 qt. | 1 ppp | 13–15 weeks
Aphids, Thrips
Crown rot, Phoma, Rust
Bellis Bam Bam is naturally compact and should not require any PGR treatments, especially if grown cool and under high light. During fall growing conditions when growing conditions are not optimum, sprays of B-Nine ® WSG at 1,000–2,000 ppm are effective in controlling plant growth.
Bergenia cordifolia Bergenia SHOESHINE ™
FERTILIZER RATE (PPM N)
FINISHING PROGRAM
PESTS
DISEASES
FINISH PGRS
125–175 ppm N 1 qt. | 2 ppp | 20–24 weeks 1.25 qt. | 3 ppp | 20–24 weeks 3 qt. | 4–5 ppp | 20–24 weeks
Foliar Nematodes
Fungal leaf spot
Generally not required.
Campanula carpatica Bellflower PRISTAR ™
FERTILIZER RATE (PPM N)
FINISHING PROGRAM
PESTS
DISEASES
FINISH PGRS
125–175 ppm N 1 qt. | 1 ppp | 10–12 weeks 1 gal. | 2–3 ppp | 10–12 weeks
Aphids, Thrips, Whiteflies, Spider mites
If needed, spray applications of Bonzi ® at 10–15 ppm, or B-Nine ® at 2,500–3,750 ppm, or Altercel ® at 750 ppm. PGR applications are more effective if applied early in the crop cycle.
Botrytis, Pythium, Fungal leaf spot
Campanula portenschlagiana Bellflower CLOCKWISE ™
FERTILIZER RATE (PPM N)
FINISHING PROGRAM
PESTS
DISEASES
FINISH PGRS
75–125 ppm N
1 qt. | 1–2 ppp | 9–10 weeks 1 gal. | 3 ppp | 9–10 weeks
Aphids, Thrips, Whiteflies, Spider mites
If necessary, B-Nine ® WSG spray at 2,500–3,750 ppm, or Altercel ® spray at 500–1,000 ppm have been shown to be effective.
Botrytis, Pythium, Rhizoctonia
GROWER SUCCESS GUIDE 2026–2028
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