Using Coffee Grounds on Indoor Begonias?

Are coffee grinds good for indoor begonias as well?


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Bronze Post Medal for All Time! 105 Posts
January 28, 20200 found this helpful
Best Answer

It is not highly recommended to use coffee grounds on indoor plants. The grounds can encourage fungus growth which is dangerous to your plants. If you want to do this do not add a lot of ground to your plant and do not water the plant unless the soil is very dry.

August 21, 20210 found this helpful

A well draining soil mix is a must. Begonias do not like wet feet and will easily drop leaves if they are over watered. ... Begonias benefit from an acidic soil, which the peat moss gives it.


Adding some used coffee grounds to the soil will work wonders for begonias.

December 2, 20210 found this helpful

Problem: I have a bag of coffee grinds and would like to use them in my indoor begonias.

Agitate: Coffee grinds are very acidic, so they should not be used on your plants. They will burn the leaves and can even kill the plant if its watered with them regularly. If you do want to fertilize your plants, compost is much better for this purpose than coffee grounds or other food products because it does not contain any chemicals that could harm your plants or cause fungal infections.

Solution: To avoid burning your plant's leaves, use only organic fertilizer such as bone meal or fish emulsion. You can also add some worm castings into the mix for added nutrients when planting seedlings indoors during winter months."


Bronze Feedback Medal for All Time! 196 Feedbacks
January 28, 20200 found this helpful
Best Answer

Begonias do best with peat moss based soil. No coffee indoors or out.

Coffee works well in compost where it is mixed with other things to get a more neutral food for plants.


I would not use it directly for any plant. That is just me, others may have better experiences.

It is so acidic that on its own it can damage most plants.


Bronze Post Medal for All Time! 140 Posts
January 28, 20200 found this helpful

Coffee grounds work better in a outside environment, mixed in with other soils!


Gold Answer Medal for All Time! 617 Answers
January 28, 20200 found this helpful

coffee is best for plants that do well with acidic soils, and also are good for vegetable gardenings. Specific flowers have specific needs and begonias are not known for doing well with that specific type of compost


a good thing to do with coffee grounds is to start an all-purpose compost pile in the yard with it - throw out coffee grounds, food scraps (but only vegetable matter and eggshells and no orange peels), and yard wastes (leaves, etc). This in a few months becoems really good soil for all plants


Diamond Post Medal for All Time! 1,246 Posts
January 31, 20200 found this helpful

Big no on indoor as you'll get mold. I know this from first hand experience :(


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