Additionally, coffee grounds, though a good source of nitrogen, are acidic, and excess acid prevents the compost heap from heating up enough to decompose. She recommends that grounds make up no more than 15 to 20% of the total compost volume Can you put too much coffee grounds in soil? Coffee grounds are highly acidic, … Read more
Coffee works great on many types of flowering indoor plants but can be used outside as well. Diluted coffee adds just enough organic fertilizer to encourage bushier, healthier plants How much do you dilute coffee for plants? If you aim for about 1/4 coffee and 3/4 water , or even a half-and-half mix, in your … Read more
coffee grounds are highly acidic, they note, so they should be reserved for acid-loving plants like azaleas and blueberries And if your soil is already high in nitrogen, the extra boost from coffee grounds could stunt the growth of fruits and flowers. Which plants do not like coffee grounds? In most cases, the grounds are … Read more