Ever walk up to your desk in the morning and find holes in the leaves of your plant next to the monitor, curled leaves, or tiny bugs under the foliage? Your heart sinks a little. This article is about Orthus 100ML, an insecticide with Fipronil 5% SC as its active ingredient, in a 100 cc bottle from Pama The Gardener. It is used against aphids, caterpillars, fruit flies and sucking insects. The short version: identify the symptoms first, read the label carefully, and use it with care, especially in homes with pets.
5 Signs Your Plants Are Under Insect Attack
Before reaching for any treatment, be a plant doctor for your plant first. Check both sides of the leaves in good light and you will see more than you expect.- Holes or chewed edges on the leaves are usually caterpillars feeding at night
- Curled, twisted or speckled leaves often point to sucking insects draining the sap
- Tiny bugs clustered on new shoots or under leaves are the classic sign of aphids
- Sticky residue on the leaves or the desk beside the pot
- Fruit-bearing plants with flies hovering and fruit dropping early, which points to fruit flies
Why Orthus 100ML Fipronil 5% SC
Orthus is a plant protection product with a concentrated, fast-acting formula. The active ingredient is Fipronil 5% SC, in a 100 cc bottle that is easy to store in a small condo closet. We see an insecticide as a rescue tool, not something to use every day. Use it when there is a real problem so your plants can get back to health.What we like is that one bottle covers several pest groups: aphids, caterpillars, fruit flies and sucking insects. That suits anyone who does not want a pile of different products.
A Beginner's Guide You Can Follow Right Away
Before using
- Read the whole label, especially the mixing ratio and the plants it is approved for. Never guess the amount
- Move the pot to a balcony or open area with good airflow. Do not spray in a closed room
- Wear gloves and a mask, and wash your hands thoroughly afterwards
During and after
- Test on 1-2 leaves first and watch how the plant reacts
- Store the bottle high up with the cap tightly closed, away from food and children
- Bring the pot back inside only when the air has cleared and no smell or spray residue remains
Homes With Dogs or Cats, Please Be Careful
We want to stress this one. Orthus is not safe for pets. If you have a dog or cat, keep the bottle on a high shelf out of reach, spray when they are not around, and keep them away from the plants until it is safe. Follow the label, and if in doubt about pet safety, ask your vet first.Caring for Your Plant After Spraying
- Light: level 2 out of 5. Keep it in soft light or near a window where the light is not too strong
- Water: level 2 out of 5. Poke the soil with a finger. If it is still damp, skip the watering
- Check the leaves weekly. A phone flashlight under the leaves makes tiny bugs easier to spot
- Trim badly damaged leaves so the plant can put its energy into new growth

