While Calibrachoa million bells may be a fairly new species, this dazzling little plant is a must-have in the garden. Use natural control methods to get rid of aphids on petunias and your petunias will continue to thrive and bloom in your landscaping areas. Aphids are tiny (adults are under ¼-inch), and often nearly invisible to the naked eye. Reply. Tiny White Bugs on My Petunias | Hunker. Perhaps the easiest home remedy for aphids on petunias outside is to spray the undersides of the leaves with a strong stream from your garden hose. Petunias are not prone to disease or insect infestation in the same way as other annual flowers and vegetables. 1 decade ago. Firstly, check if the soil & roots are contaminated too. Good luck with your petunias! Like leafhoppers, plant bugs inject a toxin into your plants’ leaves, buds, and shoots as they feed. 0 0. How to Kill Aphids on Petunias with the Garden Hose. (massive amts.) I could not really SEE bug features, they look like tiny 'hairs', but I know it is "something alive." Both very contagious, so keep from other plants . I'd guess you have aphids. Blast them off your plants with a hard stream of water or spray … 3 answers Dfm. Aphids. The most common plant bugs of interest to gardeners are cinch bugs, harlequin bugs, and squash bugs. Fungi, bugs, blight and malnourisnment can all cause your plants to produce fewer or smaller blooms or even die. Petunias may be hardy plants, but they are vulnerable to a few destructive pests and diseases. I discovered the insects (tiny specks on the white bloom) in the photo this evening. Helpful. thanks! The petunias in my hanging baskets have tiny white spots on them. No matter what I do, they end up with little black and white bugs and eventually die. Monica Camilli. Asked June 11, 2020, 7:58 PM EDT. If possible, spray the petunias early in the day so the moisture on the leaves evaporates quickly, minimizing the potential for fungal disease problems. Usually, the petunias thrive. Answered. Aphids are tiny insects that eat the leaves and blooms of a plant. Some may have a waxy or woolly coating. I have a small "porch garden" of mostly petunias on my condo balcony. Shake the bottle to combine thoroughly. ETXGardener. Its name comes from the fact that it features hundreds of small, bell-like flowers that resemble miniature petunias.Its trailing habit makes it perfect for use in hanging baskets, containers or as a small area ground cover. 2. Saved by eHow. "Plant bugs" is a term that includes a number of true bugs, members of the Hemiptera order of insects. What to do? on Sep 23, 2017. could be sun burn, or insects. They have pear-shaped bodies with long antennae; the nymphs look similar to adults. Ensure the spray of water hits both the bugs and the affected area, then rinse the plant with water. Insects on Petunias. They could be mealy bugs or aphids. Petunia Plant Herbaceous Perennials Hanging Plants Plants Seeds Petunia Diseases Flowers Annual Flowers Germination. Answer. If you do have problems with aphids on petunias, treat them swiftly to avoid further problems. If the white spots are not little white bugs your plants may have to much or to little fertilizer. Test the oil spray on a small, inconspicuous section of the petunia and check that spot for injury for 48 hours before treating the entire petunia. The blooms are covered in them. Something has been eating the blooms on my petunias. I have tried several varieties, including regular old petunias and the 'Wave' varieties. This has been going on for a couple of weeks now, but this is the first time I have observed the actual insect. 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