2026-2028 Grower Success Guide

ANNUALS | VEGETATIVE FINISHING

Diascia barberae Diascia DARLA ® PESTS DISEASES

FINISH PGRS

VARIETY

VIGOR TIMING

Aphids, Whiteflies

Botrytis, Fungal root rot

B-Nine ® WSG (2,500 ppm), Bonzi ® (5 ppm), or Sumagic ® (3 ppm) can be applied to control growth.

Darla ® Deep Salmon 70006747 Darla ® Light Pink 70003545 Darla ® Red 70066232 Darla ® Rose 70003547 Darla ® White Imp. 70127611

M M M

E E E

M E–M

V

E

Euphorbia hypericifolia Euphorbia EUPHORIC ™ PESTS DISEASES

FINISH PGRS

VARIETY

VIGOR TIMING

Aphids, Whiteflies

Botrytis, Fungal root rot

B-Nine ® WSG (2,500 ppm) can be used. Drenches of Bonzi ® (1–2 ppm) or Sumagic ® (0.5–1 ppm) also work well to control growth or to hold plants before sale. Plant size can also be controlled by pinching.

Euphoric ™ White 70087276

M

E

Helianthus annuus Sunflower SUNFINITY ® DOUBLE / SINGLE PESTS DISEASES FINISH PGRS

VARIETY

VIGOR TIMING

Aphids, spider mites, thrips,

Sprays of B-Nine ® WSG (2,500–5,000 ppm) or Sumagic ® (20–30 ppm) can be used to control growth. Bonzi ® drench at 1–2 ppm at 3–4 weeks after transplanting; if needed Bonzi ® drench at 1–2 ppm to hold size at finish.

Sunfinity ® Double Yellow 70111657 Sunfinity ® Single Yellow 70125250

V V

M–L M–L

Botrytis, Pythium, Rhizoctonia, Thielaviopsis, powdery mildew, downy mildew, rust

whiteflies, caterpillars

Heliotropium arborescens Heliotrope SCENTROPIA ™ PESTS DISEASES

FINISH PGRS

VARIETY

VIGOR TIMING

Aphids, Spider mites, Whiteflies

Botrytis, Fungal root rot

B-Nine ® WSG (1,500–2,500 ppm) or Bonzi ® (10 ppm) can be used. A Bonzi ® drench (1 ppm) also work well during mid to late in the crop cycle. Scentropia heliotrope is moderately vigorous and should only require slight to moderate chemical growth control.

Scentropia ™ Dark Blue 70003693

M

M

Impatiens interspecific Impatiens Interspecific New Guinea SPECTRA ™ PESTS DISEASES FINISH PGRS

VARIETY

VIGOR TIMING

Aphids, Thrips, Spider mites, Broad mites

Can be controlled using sprays of Bonzi ® (1–2 ppm) and B-Nine ® WSG (2,500–5,000 ppm). Avoid late Bonzi ® sprays to prevent flower size reduction. Florel ® (300 ppm) can be used early on after transplant to delay flowering, but it is only recommended for large baskets or pots where flower delay is desired.

Spectra ™ Bright Red 70071359 Spectra ™ Deep Red 70089399 Spectra ™ Lavender Shades 70113227 Spectra ™ Magenta 70086574 Spectra ™ Orange 70095665 Spectra ™ Peach Bicolor 70119575

M M–L

Botrytis, Myrothecium Fungal Leaf Spot (propagation), Impatiens Necrotic Spot Virus (INSV)

M

M

M–V

E–M

M

M

M E–M M E–M

Spectra ™ Pink 70086573

M

M

Spectra ™ Pink Bicolor 70111090

C–M E–M

Spectra ™ White 70086583

M

E

GROWER SUCCESS GUIDE 2026–2028

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