Do Zucchini Plants Like Coffee Grounds? Step By Step Answer

Do Zucchini Plants Like Coffee Grounds

The answer to this is “YES”. All in all, coffee grounds are excellent for vegetables as well as other plants. This is because they release nitrogen, potassium, phosphorus, and other minerals into the soil when they break down thus, acting as fertilizers to the plants.

They also encourage the growth of microorganisms in the soil and improve tilth. Using coffee grounds, you can have the grounds sprinkled around your zucchini plants. The use of these grounds also helps suppress weed growth and keep insects and pests out of your zucchini garden.

Related: Do Tomatoes Like Coffee Grounds? Here Is Step By Step Answer

Coffee grounds can also be added to your compost. The addition of the grounds to your compost will help release compounds including nitrogen, fatty acids, protein, and essential oils into the soil and as these compounds decompose, they make the compost a healthy amendment for the soil in your zucchini garden.

Zucchini are lovers of acidic soil and adding coffee grounds to your soil will help reduce the pH of the soil thereby making the soil acidic. Coffee grounds can also be used as mulch.

To use them as sheet mulch, apply them around the base of your plants and rake them out to a fine layer. Coffee grounds also provide food for the worms. It is best to allow the grounds to sit for about 3 days before adding them into your worm bins as well as compost. The high nitrogen content present in the grounds is the source of the worm food. However, moderation is key so when applying your grounds, apply them in moderation.

Related: Do Peppers Like Coffee Grounds? Here Is Step By Step Answer

Coffee grounds are known to control slugs and snails thus, keeping them out of your garden. The strong smell of the grounds also keeps away insects and pests as well as cats and prevents cats from turning your zucchini plants bed into their litter beds. With this, your zucchini plants will grow and develop into healthy-looking plants.

How use coffee grounds for zucchini

Coffee grounds can be used in various ways which are explained below:

1) You can mix a half-pound of your grounds with 5 gallons of water to produce an instant liquid fertilizer. With this, you can fertilize your zucchini plants as well as other plants thus, producing healthy plants.

2) You can use the grounds to suppress fungal rot or wilt such as Fusarium, Pythium, and Sclerotinia species. When applying, apply carefully and in moderation.

3) You can make coffee tea out of the used grounds and this tea can be sprayed to repel insects and caterpillars.
4) Coffee grounds can help to suppress weeds in your garden when applied to the soil and also helps control insects, pests, cats, and likewise, rabbits.

Read also: Do Dahlia Like Coffee Grounds? Here Is Step By Step Answer


The nitrogen content in the grounds helps improve soil acidity by reducing the soil pH and zucchini plants are lovers of acidic soil. Coffee grounds contain minerals including nitrogen, potassium, and phosphorus which help with the healthy growth and development of your zucchini plants and these minerals constituents make it serve as an excellent fertilizer for your plants.