Why does zucchini taste bitter sometimes?

With improved growing conditions the problem should diminish. Sometimes gardeners pick zucchini from their gardens that are extremely bitter. If this happens to you do not try to eat the zucchini. A couple of grams of this extremely bitter squash can cause diarrhea and stomach cramps that can last for three days. read more

There will be an acrid smell when you cut the zucchini, and just a mild contact of the flesh to your tongue will have an extremely unpleasant and bitter taste.A cautionary note: Eating bitter zucchinis have been known to cause people to experience vomiting, stomach cramps and diarrhea. read more

Mild bitterness in zucchini, like that found in cucumber, may be result from environmental factors such as high temperature, low moisture, low soil nutrients, etc. The bitterness is caused by compounds called cucurbitacins. read more