PatArizona

G'day Will...

Sorry to hear about your invasion by the nasties...

Please be aware Will, that what I have to say is MY OPINION...based on my many years of experience. It's what works for me. It might work for you. Or not.

You might have overwatered...Maybe not. Remember that you should water each bonsai when it NEEDS WATERING. Further, the basis for a good watering program is a fast draining soil.

If you need more info on watering or bonsai soil mixes, let us know.

So...the bugs.

Always remember, and don’t ever forget, that indiscriminate use of insecticides…or any “cide” of any description…is a very, very bad thing. Any time that you use an insecticide, you are likely to nail some beneficial insects and predator insects in addition to any harmful critters you might get.

So, what to do, you ask…

Well, you should conclusively identify the critter you are after…whatever it takes, identify the culprit. Then, and only then, treat your plants, soil, etc., for that specific pest. If necessary, take samples of the pest, damaged plant, infested soil, etc., to a qualified local nurseryman, and/or your local Agriculture Extension Agent (or whatever your government agency happens to be) to get help identifying your pest.

Two points about selecting the "cide" to use: (1) NEVER use a "cide" that is not indicated, on the label, for the plant you are treating; and (2) NEVER use a "cide" that is not indicated, on the label, for the pest you are trying to nail.

Once you have accomplished identification, you should start with the least toxic treatment (spray with clear water, whatever) recommended for your particular problem. If the “least toxic” doesn’t work, move on to the next “least toxic”, etc. And, always read the label! Not only read it, but follow the directions!

Keep in mind that insecticides should never be used in any way that is not specified on the label. If you are not following label directions…here in the USA anyway…you are breaking the law. Also, there may very well be a health risk if you disregard the label instructions.

Finally, what I have suggested (that’s suggested as in “suggested”) above, is what has worked for me, in Southern Arizona for almost 13 years, and in Northern California before that…and now, back home in Northern California.

I know that I’m being redundant, but it works for me.

Pat

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BONSAI isn't about surviving in a storm, rather, how to dance in the rain.
THE ONLY WAY: Always remember, and don't ever forget, that whatever you read here is not cast in concrete... the intent of any advice is to help. In no way should you feel that I’m saying that my way is the only way…heaven forbid! I've seen far too much of the "my way or the highway" attitude in bonsai as well as in other areas of life.