Plant questions
Real questions from home gardeners, the kind people post with a worried photo, answered by GrowPls: what's likely going on, what to do about it, and when to worry.
Showing questions tagged #pests · show all

Are these white insects on my plant mealybugs and how do I get rid of them?
Those fluffy white insects in the leaf joint are mealybugs. Isolate the plant, wipe them off with cotton dipped in diluted rubbing alcohol, and repeat weekly, adding insecticidal soap or neem oil if they keep coming back.

squash
What are the small black bugs on my squash flowers and stems?
Those tiny dark insects clustered on the buds and young stems are aphids. Rinse them off with a strong spray of water, then treat with insecticidal soap or neem oil if they keep coming back.

palm (likely an areca or similar)
What are the white bumps on my palm leaves and how do I treat them?
The plant is heavily infested with scale insects, which are sucking sap and weakening it. Start by physically wiping/scraping them off and then use repeated treatments with soapy water or horticultural oil until no new bumps appear.

mealybugs
What are the white bugs on my indoor succulent and will soap kill them?
Those white, fuzzy ovals are mealybugs (a type of sap‑sucking insect). Isolate the plant, wipe them off with cotton dipped in rubbing alcohol, then follow up with a gentle soapy or insecticidal soap spray repeated weekly until they’re gone.
What should I do when my plant leaves get brown spots?
Brown spots usually come from either watering issues, sunburn, pests, or a fungal disease. First, check the pattern of the spots, how you water, and look closely for insects, then remove the worst leaves and adjust care.

What are the tiny red-brown specks on my new plant leaves?
Those tiny red‑brown specks and the dusty, faded look on the leaf are very likely spider mites. Keep the plant in quarantine, check the undersides of leaves with a magnifying glass, and start treating with a gentle wash and repeated insecticidal soap or neem spray.

lantana
How do I get mealybugs out of my outdoor flower beds?
Mealybugs don’t really live freely in garden soil; they survive on plant roots and stems, so the key is to treat the plants (and any ant activity) thoroughly and repeatedly. Start by cutting back the worst‑infested growth, washing plants hard with water, then using a soapy spray or horticultural oil every 5–7 days until you see no new bugs.

What is this cloud of tiny insects over my garden soil?
That moving “mist” is most likely a swarm of tiny flies/gnats breeding in the damp leaf litter, not smoke or spores. Drying the area a bit and disturbing or cleaning the decaying material will usually make them disappear.

zucchini
Are the small black insects on my zucchini leaves squash bugs?
These are not the typical gray, shield‑shaped squash bugs. They look like small slender plant bugs or thrips, which are usually much less serious. Check for real damage first, and only treat if leaves are actually being sucked dry or distorted; start with washing them off before using anything like diatomaceous earth.

How can I keep my plant’s leaves healthy when insects are damaging them?
The leaf edges are being chewed and distorted by insects, likely sap‑sucking pests plus feeders that ants are protecting. Start by removing badly damaged leaves, washing the plant with water, and then using a gentle insect control like diluted neem oil or soap spray.

rose
Why are my rose flowers not opening fully?
Those rose blooms look slightly deformed, which is usually due to weather stress, pests like thrips, or nutrient imbalance rather than a serious disease. Start by checking for tiny insects in the buds and make sure the plant gets full sun, regular feeding, and even watering.

philodendron
What are the tiny bugs in my philodendron potting soil?
Those look like moisture‑loving soil pests such as fungus gnats (or possibly springtails). Let the top of the soil dry out, add yellow sticky traps, and consider repotting into fresh, well‑draining mix if they’re heavy.

What are these big white fuzzy bugs on my plant leaves and how do I get rid of them?
Those white, cottony clumps are sap‑sucking insects, most likely woolly aphids or planthopper nymphs, not mold. Rinse them off strongly with water, then treat the plant with insecticidal soap or neem oil and repeat weekly until they’re gone.

