If you are using composted soil for your garden beds, you can just start using coffee grounds as fertilizer by dumping them into the compost heap and stirring them in to the soil. It works quickly to boost the nitrogen content of your soil. Based on the Composting Council of Canada, coffee grounds also enhance the texture of the soil and therefore are useful in attracting earthworms.
Sprinkle Grounds Directly onto House Plants
To nourish house plants or plants already growing inside a garden bed, just sprinkle one or two handfuls of coffee grounds around them, wait a couple of minutes, and then water them gently. The nitrogen released boosts their growth. Alternately, you are able to mix the grounds into the soil from the pot or the flower bed. For fastest-acting fertilizer, place one or two handfuls of used coffee grounds right into a two-quart container and fill it with tepid to warm water. Let the mixture sit for 72 hours in a cool spot after which pour it around the base of the plants.
Best Kinds of Coffee Grounds to make use of in the Garden
From anecdotal evidence, more gardeners prefer coffee grounds from drip coffeemakers within the grounds from a percolator. There is a reason they perceive plants fare better from the former. Scientists have finally discovered that the drip grounds are in fact richer in nitrogen, so if you use percolator grounds, just boost the amount used. Growers thinking about adhering strictly to organic gardening standards would rather use grounds from organic coffee.
Coffee Grounds Offer Gardens Dual Benefits
Besides providing nourishment to plants, coffee grounds have advantages when introduced to the gardening process; they assist first in maintaining ideal temperatures in compost piles. Put on garden soil as well, they have been found to discourage destructive slugs and snails that munch on leaves, destroying plants. Some gardeners combine coffee grounds with used, crushed egg shells and put them in a circular pattern around a plant to discourage slugs and snails.