Use physical barriers like row covers.

Mar 27, 2025 ... Here's how to identify, prevent, and control aphid infestations, so your plants stay happy and healthy! Heavy aphid infestations cause plant leaves to curl since the aphids are concentrated on one side of the leaf and their activity forces the leaf to become ... Apr 17, 2019 ... Aphids are small (1/16 inch to ⅛ inch long) soft-bodied insects that suck sap from plants for sustenance, which can sometimes cause damage, ... Jun 11, 2023 ... The first step to take is to move your plant either outdoors, into your bathtub or shower, or to a sink where you can thoroughly spray down the plant. Jun 7, 2021 ... Aphids can be washed off plants with a garden hose. Insecticidal soap or malathion can be used to control aphids. Jun 11, 2023 ... The first step to take is to move your plant either outdoors, into your bathtub or shower, or to a sink where you can thoroughly spray down the plant. Apr 11, 2025 ... The melon, or cotton, aphid (Aphis gossypii) is green to black. In warm climates live young are produced all year, while in cooler areas there ... Do aphids kill plants? Very rarely. Some aphids cause some leaf and bud distortion, they can spread plant viruses and you might see some honeydew on which a ... Aug 7, 2020 ... Oleander aphids are bright yellow with black legs, antennae, and cornicles (tail pipes) (Figure 2). They commonly infest oleander, common ... The safest way to remove them is manually. While a high concentration of aphids on your milkweed may look bad, these insects are not necessarily causing harm ...