PERENNIALS | VEGETATIVE FINISHING
Achillea millefolium Yarrow DESERT EVE ™
FERTILIZER RATE (PPM N)
PINCH
FINISHING PROGRAM
PESTS
DISEASES
FINISH PGRS
125–175 ppm N No
1 qt. to 2.5 qt. | 1 ppp | 8–10 weeks 3 qt. to 2 gal. | 3 ppp | 8–10 weeks
Aphids, Spider Mites, Whiteflies, Thrips
Botrytis, Powdery mildew B-Nine ® WSG sprays at 2,500 ppm, or Bonzi ® sprays at 10–20 ppm can be used. To hold finished plants a Bonzi ® drench at 0.5–1 ppm in the North and 2–3 ppm in the South can be used.
Arenaria montana Sandwort SUMMER / WINTER
FERTILIZER RATE (PPM N)
PINCH
FINISHING PROGRAM
PESTS
DISEASES
FINISH PGRS
75–125 ppm N
Yes if not pinched in prop
1 qt. | 1 ppp | 5-6 weeks 1 gal. | 1–2 ppp | 6–7 weeks
Aphids
Botrytis, Powdery mildew Bonzi ® spray at 10–20 ppm can be used if needed to tone
Aubrieta hybrida Aubrieta AXCENT ™ / GLACIER ™
FERTILIZER RATE (PPM N)
PINCH
FINISHING PROGRAM
PESTS
DISEASES
FINISH PGRS
75–125 ppm N
No
1 qt. | 5–6 weeks | 1 ppp 1 gal. | 6–7 weeks | 1 ppp
Aphids
Botrytis, Pythium, Rhizoctonia
Spray of B-Nine ® WSG at 2,500 ppm can be used to control height
Campanula interspecific Bellflower CARIBOO ™
FERTILIZER RATE (PPM N)
PINCH
FINISHING PROGRAM
PESTS
DISEASES
FINISH PGRS
125–175 ppm N Yes
1 qt. to 2.5 qt. | 1 ppp | 14–16 weeks 3 qt. to 2 gal. | 3 ppp | 16–18 weeks
Aphids, Spider Mites, Whiteflies, Thrips
Powdery Mildew
B-Nine ® WSG spray at 2,500 ppm, or a Bonzi ® spray at 30 ppm can be used.
Coreopsis grandiflora Tickseed CASTELLO ™
FERTILIZER RATE (PPM N)
PINCH
FINISHING PROGRAM
PESTS
DISEASES
FINISH PGRS
125–175 ppm N Yes, 7–10 days after transplant
1.25 qt. to 2.5 qt. | 1 ppp | 7–8 weeks 3 qt. to 2 gal. | 1–2 ppp | 8–10 weeks
Aphids, Thrips, Whiteflies, Scale
Downy Mildew, Powdery Mildew, Bacterial Soft Rot (Pseudomonas cichorii)
B-Nine ® WSG spray at 2,500 ppm, or Bonzi ® spray at 20 ppm can be used. A Bonzi ® drench of 2–3 ppm can be used to hold product. For southern regions, a spray of Sumagic ® from 2–4 ppm can be beneficial.
Erysimum linifolium Wallflower ERYSISTIBLE ™ / SUPER BOWL ™
FERTILIZER RATE (PPM N)
PINCH
FINISHING PROGRAM
PESTS
DISEASES
FINISH PGRS
125–175 ppm N Yes, if not pinched in prop
1 qt. | 1 ppp | 5–6 weeks 1.25 to 2.5 qt. | 1 ppp | 6–7 weeks
Aphids, Whiteflies
Downy mildew, Powdery mildew
If needed, spray applications of Bonzi® at 30 ppm or Sumagic® at 5 ppm are effective.
Gaillardia aristata Blanket Flower BARBICAN ™ / SUNRITA ™
FERTILIZER RATE (PPM N)
PINCH
FINISHING PROGRAM
PESTS
DISEASES
FINISH PGRS
125–175 ppm N No
1 qt. | 1 ppp | 9–10 weeks 1 gal. | 1–2 ppp | 9–10 weeks 2 gal. | 3 ppp | 9–10 weeks
Spray B-Nine ® WSG at 2,500–5,000 ppm or Bonzi ® at 10–15 ppm
Aphids, Spider Mites, Thrips
Botrytis, Pythium
Helenium autumnale Sneezeweed HAYDAY ™
FERTILIZER RATE (PPM N)
PINCH
FINISHING PROGRAM
PESTS
DISEASES
FINISH PGRS
200–250 ppm N Yes, 7–10 days after transplant
1.25 qt. to 2.5 qt. | 1 ppp | 10–12 weeks 3 qt. to 2 gal. | 2–3 ppp | 10–12 weeks
Aphids, Leafhoppers, Leafminers, Spider Mites
Powdery Mildew
If crop timing is correct, then PGRs are typically not necessary. If needed B-Nine ® WSG spray at 2,500 ppm should be sufficient.
GROWER SUCCESS GUIDE 2026–2028
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