![]() ![]() The nymphs are translucent and can appear to be the same color as the leaves. SYMPTOMS: Stunted or twisted leaves, white spots or black moldy areas on the top of foliage.ĬAUSE: Whiteflies are small, moth-like insects that cluster on the undersides of leaves. Apply neem immediately when you see the pests to stop this fast-growing population. The larva are wingless and will leap when jarred. PREVENTION: Check often for the presence of thrips by giving plants a gentle shake. Neem stays active for 5 to 7 days - repeat the treatment two to three times at 7- to 10-day intervals to ensure you've eliminated all of the pests and any new generations hatching. QUICK FIX: Spray affected plants with Safer® Brand Neem Oil Ready-to-Use Spray, which interferes with thrips' rapid growth by keeping them from molting properly. Thrips also attack flower buds and can spoil your entire crop. The pests feed by puncturing plants and sucking out the sap inside, creating streaks. To the naked eye, they look like tiny threads. SYMPTOMS: Silver or bronze colored streaks on leaves, which eventually turn brown, dry and crumbly.ĬAUSE: Thrips are minute (less than 1/25 of an inch) insects that can be yellow, brown or black. Before bringing a new plant into your indoor garden, give it a thorough bath on tops and bottoms of leaves-spider mites need dry conditions - and keep it isolated from others for a week while you check the underside of leaves for signs of the crawling pests or their tiny egg sacs. PREVENTION: Spider mites often spread from garden to garden on clones. A blend of pyrethrins, a nerve agent made from chrysanthemums, and neem oil, a natural growth disruptor, combined with insect-killing soap, like our Safer® Brand Insect Killing Soap, wipes out all stages of the pests without harming plants, people or pets. QUICK FIX: Isolate infested plants from others and spray them with a formula that kills the eggs and the larval stages as well as the adults. A single spider mite female can produce thousands of new mites in less than a month, so they can quickly become a real nuisance. SYMPTOMS: Tiny pale specks on leaves or light, white webbing on leaves or buds.ĬAUSE: Spider mites are minuscule relatives of spiders with four pairs of legs, no antennae and sharp mouths that pierce plant cells and suck out the fluids, leaving behind yellow, orange or white speckles. Check underneath leaves every week to catch any new infestations. Use insecticidal soap spray twice – once for the first application then 5 to 7 days later to get the next generation. PREVENTION: Aphids produce as many 12 new offspring per day. Be sure to target the pests on the bottom of leaves, too. QUICK FIX: Spray aphids with potassium salts of fatty acids ( Safer® Brand Insect Killing Soap), which weakens the pests' waxy protective outer shell and causes them to dehydrate. This causes the yellowing and wilting. The pests also transmit viruses from plant to plant, which can lead to stunted growth. As aphids feed, they excrete a sticky substance referred to as "honeydew," in which black sooty mold grows. They cluster on the underside of leaves and suck the sap from them. Black mold growing on top of leaves.ĬAUSE: Aphids are tiny pests that can be red, green, black, brown or white. SYMPTOMS: Leaves develop yellow spots, then wilt. ![]()
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