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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Eliminating Vine Weevils without neonicotinoids

I recently acquired a number of plants for ground cover. After planting, I noticed that I had an infestation of Vine Weevils, almost certainly from the new plants. I have pulled out the new plants ...
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1 answer
25 views

Attempting neem oil on my Haworthias: how often should I spray?

I'm recently attempting my neem oil treatment for Haworthias. This is actually the second part of my search for a solution to the Haworthias mass death situation I highlighted in my previous question ...
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1 vote
1 answer
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Are there any ways to combat the Bibio lanigerus?

For the last year I've had small black flies (1-2mm) in my house. I also noticed that some of my plants were slowly dying, and when removing one from the pot I saw small silver (1mm) larvae undergound ...
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3 votes
0 answers
37 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 ...
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1 vote
1 answer
32 views

Imidacloprid treatment and best time to return Haworthias to my garden area

The scales (belonging to the family Coccoidea) have been feasting on my Haworthias for the last year. They were treated with more eco-friendly solutions, as I posted earlier, without success. In fact, ...
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2 votes
1 answer
63 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 ...
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1 answer
154 views

How toxic is zinc sulfate for moss control?

I live in Portland, Oregon and I'm battling moss on my asphalt shingle roof. I usually scrub it off manually, but it's extra bad this year and I might need more help than my broom. My neighbor swears ...
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4 votes
1 answer
763 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 ...
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1 vote
1 answer
70 views

small white pests moving on my soil need identification

I see these very small white pests moving on the soil which belongs to my peace lily for around two weeks. -they are just on the soil -I haven't seen any change in their size or their color within ...
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1 vote
3 answers
167 views

mealybugs, spider mites, on ALL of my plants!

So I am currently dealing with essentially a houseplant massacre: boston fern is infested with (I believe) mealybugs bonsai cape mallow is infested with (confirmed) mealybugs bonsai south african ...
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2 votes
2 answers
72 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 ...
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2 votes
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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 ...
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1 answer
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Why do wettable sulphur manufacturers say never to use it within 30 days of an oil-based spray?

And further: 1) what qualifies as an "oil-based spray" and at what amount? 2) does this warning still apply during the rainy season-- when the need for quick cycles of medicines is necessary? (and ...
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4 votes
0 answers
1k 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 ...
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3 votes
1 answer
433 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 ...
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0 votes
1 answer
36 views

What are some organic-approved solvents I can use to make my own liquid agri-mixes?

I have a few ideas for organic pesticides/fungicides etc. They're intended to be sprayable, and ideally soluble in water. What are some organic-approved solvents?
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1 vote
0 answers
22 views

Pesticide for plants?

For some reason, most of the plants at my house have some sort of bug, from mealy bugs to whiteflies to other crap. I've been spraying with soapy water but it's not working. What pesticide can I buy ...
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2 votes
0 answers
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Thrips in strawberry plants

this is the first time I am trying to grow strawberries on a balcony . I built wooden planters for like 60 plants. Since last week all were doing great. They are blooming like crazy and they have a ...
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2 votes
2 answers
10k 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 ...
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5 votes
1 answer
121 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?
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2 votes
0 answers
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does fruit tree absorb pesticide and fungicide from the root level and will persist inside the fruit it produce? (specifically lime and date trees)

The specific situation is where there are two trees -- one lime and another date tree plant among the grass in the backyard where the grass area will get sprayed with conventional pesticide and ...
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4 votes
0 answers
23 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 ...
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5 votes
0 answers
70 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 ...
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1 vote
1 answer
79 views

Help with weed identification - how can I get rid of them for good?

What are these weeds? I've been hitting them with 3 way (2,4-D, Quinclorac, and Dicambia by Bayer) a few times now but they seem to persist. I'm using the "home owner strength" of the 3-way so the %'s ...
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4 votes
1 answer
291 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 ...
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4 votes
1 answer
436 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 ...
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4 votes
1 answer
282 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 ...
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3 votes
1 answer
77 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,...
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3 votes
1 answer
2k 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 ...
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4 votes
1 answer
509 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 ...
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2 votes
3 answers
378 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?
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5 votes
1 answer
459 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 ...
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5 votes
2 answers
157 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 ...
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7 votes
3 answers
821 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 ...
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3 votes
2 answers
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 ...
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3 votes
1 answer
88 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 ...
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3 votes
2 answers
292 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 ...
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4 votes
2 answers
660 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 ...
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4 votes
1 answer
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 ...
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5 votes
1 answer
436 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 ...
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5 votes
3 answers
122k 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 ...
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8 votes
2 answers
149 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 ...
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6 votes
2 answers
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 ...
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  • 247
4 votes
3 answers
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 ...
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3 votes
1 answer
3k 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 ...
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3 votes
2 answers
506 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 ...
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6 votes
1 answer
166 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 ...
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2 votes
1 answer
441 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 ...
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  • 6,937
4 votes
1 answer
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 (...
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  • 6,937
4 votes
1 answer
468 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 ...
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