Questions tagged [pesticide]

Chemicals used to control pests. Use this tag with questions about how to choose and use pesticides with different plants.

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37
votes
10answers
8k views

What is an effective organic pesticide to use against aphids or cabbage loopers?

I have a vegetable garden that bugs just love. Since my family is going to eat these vegetables (and I'd prefer that the bugs do not), what organic pesticide is most effective? The main culprits are ...
17
votes
3answers
13k views

How do I get rid of insects on fruit trees?

I have an infestation of aphids on my citrus and pomegranate trees. The bugs are being "farmed" by ants. I read they might actually be bringing the aphids to the trees. Is this at all a problem? Can ...
14
votes
3answers
714 views

What is the best way to grow vegetables without using chemical insecticide?

I am looking for tips and recommendations because I do not want to use any pesticides. I am in Jamaica where insects are a big problem. I am using a combination of dish soap and hot pepper. Any ...
13
votes
3answers
5k views

How can I control Viburnum Beetle on my Snowball tree?

I have a mature Snowball tree (Viburnum opulus) that is stripped of its leaves and severely weakened several times a year by the viburnum beetle. The Royal Horticultural Society recommend several ...
9
votes
1answer
1k views

How do I get rid of lawn grubs?

My lawn is progressively getting worse every year. I've got large bare patches that just won't take seed, and in the spring and fall I've got racoons and skunks digging up grubs. There is also a ...
9
votes
2answers
3k views

Soybean oil as insect repellent?

Some of the "natural" insect repellents I use (the kind you put on your skin) have soybean oil listed as one of the active ingredients. I've also seen ~6% soybean oil listed as an active ingredient ...
8
votes
2answers
142 views

How do I calculate residential fruit spray application rate for commercial spray?

I have over a dozen fruit trees I raise as a hobby. I recently purchased some Horticultural Oil to apply this spring. The label states the following commercial application rate: DORMANT OR ...
8
votes
2answers
483 views

What evidence is there for the toxicity of Neem oil to humans?

I have used Neem oil (Fertilome's 3-in-1) on some tomato plants twice since I began getting into vegetable gardening. The thing is that I have heard/read, on one hand, that it is not toxic and quite "...
8
votes
1answer
134 views

Can I add commercial roses to my compost pile?

I'd like to add commercial roses to my compost pile, but don't know if I can. I'm not sure what kind of chemicals store bought roses are usually treated with. Bonus question: Can I dump the water in ...
7
votes
3answers
782 views

Get rid of pesticide resistant Spider Mites?

I regretfully come posting asking for advice on how to get rid of a very tenacious spider mite infestation in one room of my indoor plants. I have become convinced these pests have become pesticide ...
6
votes
1answer
132 views

Will a homemade insecticide affect the taste of herbs or other edible plants?

I'm thinking about using a homemade insecticide like a small amount of dish soap/coffee/Aloe vera mixed with water for my Stevia plant which the insects seem to like. I'm worried though that what I ...
5
votes
3answers
115k views

How long do I need to stay off the lawn after applying weed killer?

I have a 17 month old boy that loves to play outside. I just put weed killer down and I didn't see anything on the label saying when it would be safe for kids or pets. How long should I wait before ...
5
votes
2answers
138 views

Can Spinetoram be used to control cherry tree slugs without harming nearby bees and fruit?

I'm looking to control cherry tree slug in an orchard and have found a Spinetoram based product to be effective. In terms of toxicity, there's limited information out there. In particular, I'm ...
5
votes
1answer
252 views

Can I fertilize my plants after putting pesticide?

I have a problem with my plants; they have mealybugs, aphids and fungi. Tonight I sprayed them with agricultural pesticide, also cutting the infected branches and even exterminated some plants. I ...
5
votes
2answers
1k views

What are these insects on my Arabian Jasmine plant & how can I eradicate them?

I have found these white moths (very small, winged, can fly) below the leaves of my Arabian jasmine plant, and the plant has stopped flowering and is in a poor state. There are surprisingly some white ...
5
votes
1answer
364 views

How to safely use Baby Bio house plant insecticide spray?

I've got a Dracaena plant; that has what appears to be white scale or something like it (see attached photos); I don't know much about plants, I bought this one in Vauxhall Flower market in London a ...
4
votes
3answers
1k views

What pesticide should I use with an Orange tree in Texas?

I've got two Orange trees and two avocado trees in my backyard. One of the orange trees looks to be the victim of a disease and has sooty mold on it. From what I have read this is usually due to ...
4
votes
5answers
872 views

What are these 3' to 5' tall plants from my new back yard, and how should I remove them?

I just moved into a new apartment (in Brooklyn, NY) with my own backyard. My girlfriend and I are very excited. However, my backyard is overgrown with that vine-looking-green-stuff. My current plan ...
4
votes
1answer
645 views

Is if safe to use this insecticide (d-Allethrin, Permethrin, Piperonyl butoxide) on my edible herbs?

I've got a fly (the small kind) infestation in some of my herbs. Is it safe to use this insecticide on edible herb plants? Here is the product composition: d-Allethrin 0.08% Permethrin ...
4
votes
2answers
604 views

Would Diatomaceous Earth work for spraying unreachable Tent Caterpillar nests?

In trying to help answer another person's question, I realized that I have one of my own. I try to manually remove the tent moths from my trees every year, using both a step ladder and extension ...
4
votes
1answer
410 views

What is this ladybug-like insect that is damaging my kale, and how can I control it?

This insect has seriously damaged my kale, and almost killed my brussel sprouts in less than a week. What is it, and how can I control it. My garden is organic, so a non-chemical solution is ...
4
votes
1answer
1k views

What illness/pest has this rosemary and what to do with it?

Recently 3 of my rosemary bushes seems to have some (multiple) illness and/or pest. I am an absolute amateur, so I just hopelessly see their day by day worsening condition. I know it is hard to ...
4
votes
1answer
130 views

How to verify that my organic landscaper isn't using synthetic fertilizers?

A lot of companies offer "organic" programs for lawn and landscape care. I have listened to a lot of cynics say that all of them sneak prohibited chemicals onto the landscape to deliver results (...
4
votes
1answer
188 views

What is this small white pest on the leaves of my office plant called?

I'm an office worker in IT and have just enough knowledge of flora to know that these office plants are probably not healthy, but I have no clue what this is or what should be done with it. I would ...
4
votes
1answer
425 views

How to get rid of wireworms in garden plot

Has anyone had success removing wireworms from their garden and do you have any tips? I've looked some online and it seems like baiting them with potatoes is the best solution. I am not opposed to ...
4
votes
1answer
253 views

PFR - 97 What do I need to know about this pesticide?

I've been watching the new pesticides coming out. Very interesting. This particular one; PFR - 97 for aphids, mites, white fly? Have any of you used this stuff? I want to use it primarily for ...
4
votes
1answer
407 views

What are these pests that are eating my pomegranate roots, and how can I control them?

I'm not sure what pest this is, but it is eating the roots of my pomegranate shrub. I saw it once on the top soil, and, when digging into the soil, I unearthed around 15 of these pests. I need to know ...
4
votes
0answers
62 views

Chrysanthimum-based pesticide killed my young plants

Recently, a pesticide that I used to treat a number of my young plants killed everything I applied it to. I applied it in accordance with the directions, and the brand is well-reviewed on Amazon, but ...
3
votes
2answers
255 views

Should I treat every aphid infestation?

Should I treat every infestation as I catch them or is some level of aphids "tolerable" and the presence of aphids in the garden unavoidable? In other words should I only treat the worst cases? I'm ...
3
votes
2answers
392 views

Can I use ladybugs on herbs while treating trees in the same garden with imidacloprid?

I have a smallish garden. With several sections, unconnected by soil. In one section I am growing trees that are being dosed with systemic imidacloprid. Near by, but in pots, I am growing some herbs ...
3
votes
2answers
84 views

Advice for getting rid of Green Fly?

I have been growing my own Chilli's in the kitchen window sill, but this has resulted in a massive greenfly epidemic. I've tried two different brands of bug spray Provado Ultimate Bug Killer and Doff ...
3
votes
1answer
75 views

Too Many Spiders

I have a problem that could be taken care of easily if I wanted to use pesticides that kill spiders. But I don't want to do that in my tiny space. We live in a townhouse apartment with a small 35' x ...
3
votes
1answer
47 views

Would more concentrated solutions of soybean oil be better for insect control?

If soybean oil is used in such low concentrations as .5%, why wouldn't using higher concentrations be better? Is there something preventing a higher concentration being useful or effective?
3
votes
1answer
326 views

Neem oil and pollination

I'm planing to use neem oil as insect repellent on my plants (mostly vegetables) but there is one thing that is puzzling me: If neem oil is efficient insect repellent does it have negative effect on ...
3
votes
1answer
72 views

Really virulent mosquitos - dealing with them and their bites

With a lot of tree cover and a nearby river, the one fly in the ointment(!) at our new place is it has a lot of mosquitos and midges. The latter don't seem to be too much of a bother but the mosquitos,...
3
votes
1answer
2k views

How can I get rid of these small white pests in my peace lily pot?

I realized late last night that there are lots of small white creepy crawlers in my peace lily pot. It's so thoroughly infested with these creatures some are even coming out of the drain holes. I ...
3
votes
1answer
1k views

Can a solution of neem oil and water remain effective through storage, and if so, for apx. how long?

I made a mix of 1:8oz neem oil: water solution to treat some indoor plants against insects occassionally. I wonder how long, if at all, this solution can be stored and remain effective? It's in a ...
3
votes
1answer
195 views

Are Daminix tick tubes locally effective in controlling ticks?

This is a very appealing option for low impact tick control, but do they actually diminish the local tick populations significantly? Do they control more than just the deer tick?
3
votes
1answer
947 views

How to get rid of these small black bugs on gardenia

My gardenia is more than 6 months old. it was in good health. Suddenly I noticed that the gardenia leaves are turning yellow. I thought that it was because of natural causes. So, I ignored it ...
3
votes
1answer
99 views

Which pesticide should I use for the orange trees?

My orange tree seems to have some disease. The leaves are bubbled and curled. Does anybody know the name of the disease? Which pesticide should I use to cure it?
3
votes
0answers
21 views

How to safely use insecticides for Gesneriaceae plants?

I migrated some of my Gesneriaceae plants out of my home. They include episcias, Streptocarpuses, and a few African violets. All of these plants grow from stem cuttings and thus, taking more space in ...
2
votes
3answers
332 views

Imidian for apple trees

I would like to spray my new apple trees with Imidian to prevent fungus and pests. Does anyone know what an alternate name for this pesticide is, since Google returns no results for it?
2
votes
2answers
9k views

Should I water my houseplants before or after spraying for spider mites?

Is it better to water my houseplants before or after spraying bayer products to control spider mites?
2
votes
2answers
8k views

Day or night (The best time to apply pesticides)

Having tried a lot of homemade pest control remedies, I'm thinking of using pesticides for a change but im not so sure on how to use it correctly. The label says to use 25ml per liter of water but ...
2
votes
1answer
43 views

Coffee grounds as pesticide or fertilizer (in general and/or for Chinese Evergreens)

Earlier today, I noticed a lot of small tiny flies emerging from the Chinese Evergreens I purchased last weekend. At the time, I just had my freshly ground and used morning coffee beans... so I tried ...
2
votes
2answers
66 views

pepper pest problem

can anyone help me out with the problem on the pictures? One of the pictures shows a bio insecticide I allready tried twice, but it doesn't help. I don't know what kind of pest it is nor what I can ...
2
votes
1answer
1k views

How can I tell if a seed coating contains pesticides or fungicides?

I purchased some Dichondra seeds online to plant in my large reptile's enclosure. There was no mention of the seeds being treated - but when I received them I noticed that the seeds were coated and ...
2
votes
1answer
414 views

How do you use potassium bicarbonate to control powdery mildew?

This post describes using potassium bicarbonate to control powdery mildew, but doesn't give any more info. So I'm looking for the following: Efficacy? Mixing rate? Application rate? Application ...
2
votes
1answer
273 views

Kentia Palm one of the stems dried out because of insects

We have a nice Kentia Palm within the office. The plant is watered regularly as per the guidance. It also gets occasional misting. Unfortunately I recently noticed the plant started drying out and ...
2
votes
0answers
25 views

How to proper dilute virgin Neem oil as pest control?

I had a recent infestation with Fungus Gnats on my houseplants, and one recommendation was to use Neem Oil as a natural pesticide for these pests. I bought cold-pressed, unrefined/virgin Neem Oil, but ...