Nothing here is label direction — the label is the law. These are notes from other applicators, moderated before they appear. Check the labeling accompanying the product and applicable state requirements.
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Ornazin 3% EC is a botanical insecticide containing 3.0% azadirachtin. It is designed for use on various ornamental plants, including greenhouse plants, shrubs, trees, turf, and lawns. The product works by interfering with the metabolism of insects, affecting various life stages including larval, pupal, and nymphal stages. It is effective against a wide range of pests such as aphids, beetles, caterpillars, leafhoppers, mealybugs, scales, whiteflies, and various worms/borers. Ornazin can be applied via foliar spray for indoor/greenhouse plants or via soil drench and turf/ornamental tree injections for outdoor use. When using for foliar applications, it is recommended to use it as a repellent and can be combined with 0.5-1.0% non-phytotoxic oil to enhance efficacy. For soil drenches, it should be applied promptly after mixing. Note that the product can be used at up to twice the listed rate if the infestation is heavy or the plant canopy is dense, but must not exceed 22.5 oz per acre. Always follow Worker Protection Standard (WPS) requirements when applying.
| Target pest | Location | Rate | Unit | Label notes |
|---|---|---|---|---|
| Aphids, Cotton aphids, Rose aphids | Indoor | 8 | oz/10 gallons | Spray when pests first appear. Can use 0.5-1.0% non-phytotoxic oil to enhance efficacy. |
| Beetles (Bark beetles, Flea beetles, etc) | Indoor | 8 | oz/10 gallons | Spray when pests first appear. Repeat as needed. |
| Borers (Dogwood borers, etc) | Indoor | 10 | oz/10 gallons | Spray when pests first appear. Repeat as needed. |
| Caterpillars | Indoor | 8 | oz/10 gallons | Spray when pests first appear. |
| Flies | Indoor | 8 | oz/10 gallons | Add at least 1 pint of mixture per gallon at soil drench. Repeat every 7 days for weeks. For poinsettias/bedding plants, apply 10-15 days prior to planting. |
| Leafhoppers | Indoor | 10 | oz/10 gallons | Spray when pests first appear. |
| Mealybugs | Indoor | 5 | oz/10 gallons | Use in combination with 0.5-1.0% non-phytotoxic oil. |
| Nematodes | Indoor | 10 | oz/10 gallons | Drench at least 1 pint of mixture per gallon once a week for 4 weeks. Avoid leaching-drench until moist to the touch. |
| Target pest | Location | Rate | Unit | Label notes |
|---|---|---|---|---|
| Aphids, Beetles, Borers, Caterpillars, Flies, Leafhoppers, Lacewings, Scale, Thrips, Weevils, Whiteflies | Outdoor | 8 | oz/acre | Spray when pests first appear. Repeat as directed (e.g., every 5 to 7 days or 10 days apart). |
| Leafhoppers | Outdoor | 10 | oz/acre | Repeat application every 5 to 7 days. Use in combination with 0.25-1.0% non-phytotoxic oil in sufficient water to cover undersides of leaves. |
| Mealybugs | Outdoor | 10 | oz/acre | Use in combination with 0.25-1.0% non-phytotoxic oil in sufficient water to cover twigs and leaves. |
| Nematodes | Outdoor | 10 | oz/acre | Drench at least 1 pint of amount of water to penetrate the soil to a depth of 12 inches. Repeat application every 3 or 4 weeks as needed. |
| Weevils | Outdoor | 8 | oz/acre | Make foliar applications to deter adult feeding. Make soil drench applications during spring and fall periods to control larvae. Make at least 3 to 4 applications 10 days apart. |
| For pests | Location | Per | Finished strength | Label notes |
|---|---|---|---|---|
| General foliar/soil drench | Indoor | oz | 3% EC | Use product promptly after mixing. It will break down in spray solution if not used within 8 hours. |
| General foliar/soil drench | Outdoor | oz | 3% EC | Can be injected into trees (landscape, forestry, residential, etc.) using appropriate tree injection equipment. |