Flowers D - H
D
Daffodil
Daffodil

bulb
| Symptoms |
Probable Cause |
Bonide Best Solution |
| Buds Dry Before Opening; Brown Spotted Leaves |
Unusual Weather |
|
| Bulbs Do Not Flower |
Bulbs Planted Too Shallow |
Plant bulbs correct depth |
| Leaves Develop Long Yellow Streaks |
Stripe Virus |
Rotation, Destroy plants |
| Plants Stunted; Die Prematurely |
Basal Rot |
Drainage, Rotation |
| Ragged Holes In Leaves, Often In Middle |
Slugs Or Snails |
Slug Magic |
| Bulbs Softened; Plants Yellowed |
Larvae Of Narcissus Bulb Fly |
Eight CDRS, Total-Out C |
| Leaves Discolored; Black Fecal Spots On Underside Of Leaf. |
Thrips |
All Seasons, Eight CDRS,
Rose Rx 3in1 CR,
Guard & Grow G |
Dahlia
Dahlia

bulb
| Symptoms |
Probable Cause |
Bonide Best Solution |
| Lush foliage; sparse bloom |
Over-Fertilizing |
Low Nitrogen fertilizer |
| Plants don't bloom in summer |
Weather Too Hot |
Provide shade |
| Buds discolored; tunnels in stems; plants wilted |
Borer |
Guard & Grow,Eight CDRS, Rote./Pyr. Systemic Insect C |
| Leaves discolored; distorted; growth stunted |
Leafhopper |
Bon-Neem CR, Eight CDRS,
Guard & Grow G, Systemic Insect C |
| Leaves wrinkled or curled; discolored, stunted, tend to fall off |
Aphid |
Guard & Grow G,Eight CDRS, Rote./Pyr. Systemic Insect C |
| Black powdery sooty mold fungus forms on honeydew; plants may die |
Ants Herding Aphids |
Eight CDRS, Rote./Pyr.,
Systemic Insect C |
| Leaves discolored and deformed; webbing present |
Mites |
EightCDRS, All Seasons CRS,
Mite X, Systemic Insect C |
| Leaves stippled/yellow/bronze/dry Drop. Webbing visible; leaf galls |
Thrips |
All Seasons CRS, Eight CDRS,
Rose Rx 3in1 CR, Guard & Grow G |
| Leaves covered with white powder |
Powdery Mildew |
Infuse C, Fungonil CR, Bon Neem CR |
| Leaves turn yellow and wilt |
Stem Rot |
Infuse, Rose Rx 3in1 CR |
| Tip of leaves brown, internal larvae trails visible. Leaves skeletonized and rolled up. |
Leafminer |
Bon-Neem CR, Guard & Grow G, Systemic Insect C |
| Plants stunted; yellowed; root lesions |
Nematodes |
Chitin, Nitrogen |
| Ragged holes in leaves, often in middle |
Slugs And Snails |
Slug Magic |
| Tops eaten to ground; hoof prints nearby |
Deer |
RepelsAll CRG, Deer & Rabbit R |
| Bulbs eaten, plant might have been pulled underground |
Pocket Gophers |
Moletox II, Molemax G, Repels All |
| Plants wilt; stem, leaf discoloration; plant dies |
Fusarium Wilt (fungus) |
Rotation, Sanitation |
Daisy, Painted
Daisy, Painted

perennial
| Symptoms |
Probable Cause |
Bonide Best Solution |
| Leggy growth |
Too Much Shade |
Trim Shade, Replant |
| Leaves wrinkled or curled; discolored, stunted, tend to fall off |
Aphids |
Guard & Grow G,Eight CDRS, Rote./Pyr. Systemic Insect C |
| Black powdery sooty mold fungus forms on honeydew; |
Ants Herding Aphids |
Eight CDRS, Rote./Pyr.,
Systemic Insect C |
| Plants stunted; yellowed; root lesions |
Nematodes |
Chitin, Nitrogen |
| Angular, fan-shaped blotches; moves up plant, leaves wither, die; plant stunted |
Foliar Nematodes |
Systemic Granules, Guard & Grow G |
| Silvery white streaks on flowers and leaves |
Thrips |
All Seasons CRS, Eight CDRS,
Rose Rx 3in1 CR, Guard & Grow G |
| Leaves stippled, yellowing, dirty; webbing over flower buds |
Spider Mites |
Eight CDRS, Rote./Pyr.,
Mite X ,Systemic Insect C |
| Tip of leaves brown, internal larvae trails visible. Leaves skeletonized/rolled up |
Leafminers |
Bon-Neem CR, Guard & Grow G, Systemic Insect C |
| Leaves and stems covered with white powdery spots |
Powdery Mildew |
Infuse C, Fungonil CR, Bon Neem CR |
| Pale spots upper surface; brown spores on underside of leaf |
Rust (fungus) |
Sulfur, Mancozeb, Infuse CS |
| Leaves spotted; turn brown; drop prematurely |
Leaf Spot (fungus) |
Infuse C, Fungonil CR |
| Yellowing of foliage, gradual defoliation, plants may become stunted |
Verticillium Wilt (fungus) |
Garden Dust, Pruning |
| Gray lesions, water-soaked stem decays above lesions, turn brown or black |
Bacteria Blight |
Fungonil CR |
| Leaves mottled; flowers malformed |
Mosaic Virus |
Rotation, Destroy plants |
| Leaf veins pale, part foliage turns yellow, leaf edges brown; plant stunted, leafhoppers present |
Aster Yellows, spread by Leafhoppers |
Bon-Neem CR, Eight CDRS,
Guard & Grow G, Systemic Insect C |
Daylily (Hemerocallis)
Daylily (Hemerocallis)

perennial
| Symptoms |
Probable Cause |
Bonide Best Solution |
| Buds & leaves chewed or disappear |
Deer |
RepelsAll CRG, Deer & Rabbit R |
| Leaves wrinkled or curled; discolored, stunted, tend to fall off |
Aphids |
Guard & Grow G,Eight CDRS, Rote./Pyr. Systemic Insect C |
| Black powdery sooty mold fungus forms on honeydew; |
Ants Herding Aphids |
Eight CDRS, Rote./Pyr.,
Systemic Insect C |
| Leaves spotted |
Spring Sickness |
"Sea Green " fertilizer |
| Leaves stippled; covered with webs |
Mites |
EightCDRS, All Seasons CRS,
Mite X, Systemic Insect C |
| Leaves discolored; black fecal spots on underside of leaf. |
Thrips |
All Seasons CRS, Eight CDRS,
Rose Rx 3in1 CR, Guard & Grow G |
| Large; ragged holes in leaves |
Slugs Or Snails |
Slug Magic |
| Leaves develop yellow striping |
Leaf Streak Fungus |
Fungonil CR |
Delphinium
Delphinium

perennial
| Symptoms |
Probable Cause |
Bonide Best Solution |
| Black spots on leaves; stems |
Cyclamen Mites |
EightCDRS, All Seasons CRS, Mite X,
Systemic Insect C |
| Leaves wrinkled or curled; discolored, stunted, tend to fall off |
Aphids |
Guard & Grow G,Eight CDRS, Rote./Pyr.,
Systemic Insect C |
| Black powdery sooty mold fungus forms on honeydew; |
Ants Herding Aphids |
Eight CDRS, Rote./Pyr.,
Systemic Insect C |
| Plants stunted; yellowed; root lesions |
Nematodes |
Chitin, Nitrogen |
| Ragged holes in leaves, often in middle |
Slugs And Snails |
Slug Magic |
| Tip of leaves brown, internal larvae trails visible. Leaves skeletonized/rolled up |
Leafminers |
All Seasons CRS,
Guard & Grow G,
Systemic Insect C |
| Crowns and roots rot; odor present |
Crown Rot |
Destroy Plant |
| White powder on leaf undersides; wilting |
Downy Mildew |
Copper CR, Rose Rx 3in1 CR |
| Leaves stippled, yellowing, dirty; webbing over flower buds |
Spider Mites |
EightCDRS, All Seasons CRS, Mite X, Systemic Insect C |
| Silvery white streaks on flowers and leaves |
Thrips |
All Seasons CRS, Eight CDRS,
Rose Rx 3in1 CR,
Guard & Grow G |
| Leaves/stems covered with white powdery spots |
Powdery Mildew (fungus) |
Infuse C, Fungonil CR,
Bon Neem CR |
Dusty Miller
Dusty Miller

annual
| Symptoms |
Probable Cause |
Bonide Best Solution |
| Leaves wrinkled or curled; discolored, stunted, tend to fall off |
Aphids |
Guard & Grow G,Eight CDRS,
Rote./Pyr. Systemic Insect C |
| Flowers yellow/green/deformed; spindly |
Aster Yellows |
Fire Blight Spray |
| Green plant colors, wilts, tans; pink mass on roots; plant dies |
Fusarium Wilt (fungus) |
Sanitation & Rotation |
| White powder coats top of leaves |
Powdery Mildew |
Infuse C, Fungonil CR,
Bon Neem CR |
| Leaves yellow, wilt, die |
Root/Stem Rot |
Soil Acidifier |
| Plant actually disappears |
Deer |
Repels All, Deer/Rabbit R |
F
Fritillaria
Fritillaria

bulb
| Symptom |
Probable
Cause |
Bonide
Best Solution |
| Blooms Undersized; Plants Weaker |
Crowding |
Thin out plants |
| Leaves Yellow; Notches Chewed On Edges Of Leaves |
Weevils |
Systemic Granules, Bulb Dust, Systemic Insect C |
| Leaves Turn Yellow; Drop Prematurely |
Leaf Spot |
Infuse, Fungonil CR,
Rose Rx 3in1 CR |
| Pale Areas; Powdery Spots On Leaves |
Rust (fungus) |
Sulfur, Mancozeb, Infuse CS |
Foxglove (Digitalis)
Foxglove (Digitalis)

perennial
| Symptoms |
Probable Cause |
Bonide Best Solutions |
| Leaves wrinkled or curled; discolored, stunted, tend to fall off |
Aphids |
Guard & Grow G,Eight CDRS, Rote./Pyr. Systemic Insect C |
| Light/purplish brown leaf spots; black areas; leaves yellow/wither/drop/die |
Fungal Foxglove Anthracnose |
Garden Dust, Fungonil |
| Green plant colors, wilts, tans; pink mass on roots; plant dies |
Fusarium Wilt (fungus) |
Sanitation & Roatation |
| Plant actually disappears |
Deer |
Repels All, Deer/Rabbit R |
G
Geranium (Pelargonium)
Geranium (Pelargonium)

annual
| Symptoms |
Probable Cause |
Bonide Best Solution |
| Small holes in unopened buds |
Geranium Budworm |
Thuricide BT, Eight CDRS,
Systemic Insect C |
| No blossoms |
Overfeeding; Excessive Heat |
Provide Shading, Reduce High Nitrogen Fertilizer. |
| Lower leaves have yellow edges |
Needs Fertilizer |
Fertilize |
| Leaves stippled, yellowing or bronze; dry out and drop may be webbing visible |
Mites |
EightCDRS, All Seasons CRS,
Mite X, Systemic Insect C |
| Leaves turn reddish |
Nights Too Cold |
Cover, Protect |
| Spindly plant growth |
Low Light |
Trim Shade |
| Buds dry up; drop off |
High Humidity Or Over Watered |
Drainage |
| Leaves wrinkled or curled; discolored, stunted, tend to fall off |
Aphids |
Guard & Grow G, Eight CDRS,
Rote./Pyr. Systemic Insect C |
| Black powdery sooty mold fungus forms on honeydew; plants may die |
Ants Herding Aphids |
Eight CDRS, Rote./Pyr.,
Systemic Insect C |
| Weakened plants; yellow leaves; leaves discolored; covered with honeydew |
Whitefly |
Guard & Grow G,Eight CDRS,
Rose Rx, Systemic Insect C |
| Leaf spots; leaves wilt; stems rot |
Leaf Spot Or Rot |
Infuse, Fungonil CR, Rose Rx 3in1 |
| Leaves patched or coated with white |
Mildew (fungus) |
Copper, Infuse C |
| Foliage turns yellow |
Root Rot |
Soil Acidifier, Drainage |
| Plant actually disappears |
Deer |
Repels All CRG, Deer/Rabbit R |
Geranium, Hardy (Cranesbills)
Geranium, Hardy (Cranesbills)

perennial
| Symptoms |
Probable Cause |
Bonide Best Solution |
| Leaves curl/discolored; honeydew on undersides of leaves, sooty mold forms |
Aphids |
Guard & Grow G,Eight CDRS, Rote./Pyr., Systemic Insect C |
| Small holes in unopened buds |
Budworm |
Thuricide BT, Eight CDRS, Systemic Insect C |
| Foliage wilts; shows dark spots |
Four-Lined Plant Bug |
Total-Outdoor, Rotenone–Pyrethrin |
| Cottony white masses on roots, stems, branches leaves; reduced plant vigor |
Mealybugs |
Eight CDRS, Bon-Neem CR,
Systemic Insect C,
Guard & Grow G |
| Ragged holes chewed in middle of leaves |
Slugs And Snails |
Slug Magic |
| Leaves stippled; covered with webs |
Spider Mites |
EightCDRS, All Seasons CRS,
Mite X, Systemic Insect C |
| Weakened plant, leaves yellowed, flying dandruff when foliage disturbed |
Whiteflies |
Guard & Grow G,Eight CDRS,
Rose Rx 3in1 CR,
Systemic Insect C |
| Plants chewed to ground level |
Deer |
Repels All CRG, Deer/Rabbit R |
| Dark spots on leaves show yellow edges |
Bacterial Leaf Spot |
Copper |
| White powder on leaf undersides; foliage wilts |
Downy Mildew (fungus) |
Copper CR, Rose Rx 3in1 |
| Flower clusters covered with gray mold |
Gray Mold (fungus) |
Fung-Onil CR, Liquid Copper |
| Yellow green mottling of leaves. |
Mosaic Virus |
Rotation, Destroy plants |
| Brownish-orange spots on foliage; stems |
Rust (fungus) |
Sulfur, Mancozeb, Infuse CS |
| Yellowing of foliage, gradual defoliation, plants may become stunted |
Verticillium Wilt (fungus) |
Garden Dust, Pruning |
Gladiola (Gladiolus)
Gladiola (Gladiolus)

bulb
| Symptom |
Probable Cause |
Bonide Best Solution |
| Foliage distorted; corms decayed |
Bulb Mites |
Bulb Dust, All Seasons,
Eight CDRS |
| Plants stunted; yellowed; root lesions |
Nematodes |
Systemic Granules, |
| Rotation, Chitin |
| Water soaked spots on corms |
Corm Scab |
Captan, Bulb Dust |
| Corms gnawed; unearthed or eaten |
Rodent Injury |
Moletox II, Gopher Gassers |
| Leaves wrinkled or curled; discolored, stunted, tend to fall off |
Aphids |
Guard & Grow G,Eight CDRS,
Rote./Pyr. Systemic Insect C |
| Black powdery sooty mold fungus forms on honeydew; plants may die |
Ants Herding Aphids |
Eight CDRS, Rote./Pyr.,
Systemic Insect C |
| Young plant cut off at soil |
Cutworms |
Thuricide BT, Eight CDRS,
Systemic Insect C |
| Buds brown, die; silvery white streaks on leaves; flowers streaked, distorted |
Thrip |
All Seasons, Eight CDRS,
Rose Rx 3in1,
Guard & Grow G |
| Bulbs eaten, plant pulled underground |
Pocket Gopher |
Moletox II, Molemax G,
Repels All |
| Bulbs eaten, plant pulled out of ground |
Squirrels |
Hot Pepper Wax, Repels All CRG |
| Plants wilt; stem, leaf discoloration; plant dies |
Fusarium Wilt (fungus) |
Rotation, Sanitation |
| Dark mold on leaves and stem |
Gray Mold |
Fung-Onil CR, Liquid Copper |
| Foliage mottled, streaked; foliage stunted; |
Mosaic Virus |
Rotation, Destroy plants |
| Roots rot, stem rots at soil level; plant wilts, yellows, decays |
Southern Blight (fungus) |
Mancozeb, Nitrogen, Rotation |
| Spots on leaves, color varies |
Leaf Spot (fungus) |
Infuse, Fungonil CR,
Rose Rx 3in1 CRD |
| Thin,weak, yellow leaves; flower spikes twisted/distorted; plant small, spindly |
Aster Yellows (bacteria) |
Control Leafhoppers with,
Eight CDRS, All Seasons, Systemic Insect, Rote./Pyr. |
| Foliage, flower spikes stunted; flowers small, faded; yellowing at leaf tips |
Fusarium Yellows |
Rotation & Sanitation |
| Corky, reddish-brown lesions on corms, rotted area has blue-green mold; corms may not produce foliage |
Penicillium Corm Rot |
Bulb dust |
| Foliage yellows, dies; leaf bases rotted; dark brown lesions on corms |
Dry Rot |
Bulb dust |
Globe Amaranth (Amaranthus)
Globe Amaranth (Amaranthus)

annual
| Symptoms |
Probable Cause |
Bonide Best Solution |
| White powder coats top of leaves |
Powdery Mildew |
Infuse C, Fungonil CR, Rose Rx 3in1 |
| Plant actually disappears |
Deer |
Repels All CRG, Deer/Rabbit R, |
H
Hollyhock
Hollyhock

biennial
| Symptom |
Probable Cause |
Bonide Best Solution |
| Leaves and Petals Are Pale; Silvery |
Thrips |
All Seasons CRS, Eight CDRS,
Rose Rx 3in1 CR, Guard & Grow G |
| Stems Break Off; Leaves Wilt |
Stalk Borers |
Guard & Grow G,Eight CDRS, Rote./Pyr. Systemic Insect C |
| Leaves Stippled/yellow/bronze/dry out/Drop. Webbing Visible; leaf galls |
Spider Mites |
EightCDRS, All Seasons CRS, Mite X, Systemic Insect C |
| Holes In Leaves and Flowers |
Japanese Beetles |
Guard & Grow,Eight CDRS, Rote./Pyr. Systemic Insect |
| Deformed or Dwarfed Flowers |
Tarnished Plant Bugs |
Total –Outdoor C, Bon-Neem CR, |
| Ragged Holes in Leaves, often in middle of leaf |
Slugs and Snails |
Slug Magic |
| Pale Yellow Spots on Leaves; Reddish Brown Pustules underside of Spots |
Rust (fungus) |
Sulfur, Mancozeb, Infuse CS |
| Light/purplish brown leaf spots; Black Areas; Leaves Yellow/wither/drop/die |
Anthracnose (fungus) |
Fungonil CR, Infuse C, Copper |
| Lesions On Stems; Foliage Wilted |
Stem Canker |
Infuse C, Fungonil CR |
| Leaves Wrinkled or Curled; Discolored, Stunted, Tend to fall off |
Aphids |
Guard & Grow G,Eight CDRS, Rote./Pyr. Systemic Insect C |
| Sooty Mold on Sticky Liquid |
Ants herding Aphids |
Eight CDRS, Rote./Pyr.,
Systemic Insect C |
| Leaves Riddled With Shotholes; Caterpillar inside Stalk |
European Corn borer |
Guard & Grow G,Eight CDRS, Rote./Pyr. Systemic Insect C |
| Weakened Plants; Yellow Leaves; Leaves Discolored; Covered With Honeydew |
Whiteflies |
Guard & Grow G, All Seasons CRS,
BonNeem CR, Systemic Insect C |
| Entire Plant, Blooms, Stems Eaten |
Deer |
Repels All CRG, Deer/Rabbit R |
| White Powder Coats Top of Leaves |
Powdery Mildew |
Infuse C, Fungonil CR, Bon Neem CR |
| Plant Actually Disappears |
Deer |
Repels All CRG, Deer/Rabbit R |
Hosta
Hosta (Plantain Lily)

perennial
| Symptoms |
Probable Cause |
Bonide Best Solution |
| Ragged holes chewed in middle of leaves |
Slugs Or Snails |
Slug Magic |
| Leaves eaten to ground |
Deer |
Repels All CRG, Deer/Rabbit R |
| Foliage wilts; collapses |
Crown Rot |
|
| Spots on leaves and stems |
Leaf Spot (fungus) |
Fungonil CR, Infuse C, Copper |
Hyacinth, Grape
Hyacinth, Grape

bulb
| Symptoms |
Probable Cause |
Bonide Best Solution |
| Brown Spots On Leaves And Stems |
Frost Injury |
Cover, Protect from cold |
| Stems Weak; Florets Sparse |
Bulbs Old |
Plant new bulbs |
| Foliage Distorted; Bulbs Decayed |
Bulb Mites |
Bulb Dust, All Seasons,
Eight CDRS |
| Bulbs Softened; Plants Yellowed |
Larvae Of Narcissus Bulb Fly |
All Seasons, Eight CDRS |
| Plants Stunted; Yellowed; Root Lesions |
Bulb Nematodes |
Systemic Granules |
|