Things to do with used coffee - suggestion 2
In week 2 of our suggestions for what to do with used coffee grounds, we have gone for the more obvious use and the one most often touted, but do you know why it is so good at fertilizing your garden?
If you grow azaleas, hydrangeas, rhododendrons, camellias, roses, or other acid-loving plants, then used coffee is the fertilizer for you! Mix your old grounds with dead grass clippings, brown leaves, or dry straw to neutralize some of the acidity, the spread them around your plants. Used coffee grounds add nitrogen and potassium to the soil (the first and third numbers in the fertilizer formula: N – P – K) as well as a boost of magnesium which all plants need to stay healthy.
Just remember that this fertilizer lacks phosphorus and calcium so it isn’t ideal for encouraging blooms and fruiting. You’ll need to add lime or wood ash to the mix if you want to create a complete fertilizer using old coffee grounds.
Also, if you love carrots and you love coffee, then you’re in business! Your carrots will love you back if you share your old grounds with them at planting time. Before you sow carrot seeds, mix them with some old dried coffee grounds to give them an energy boost right from the start. You’ll get bigger and better produce with the added bonus of deterring pests that want to eat your carrots before you do.
If you don’t have a use for coffee ground fertilizer right away, go ahead and throw it on the compost heap. Coffee grounds make excellent “green” matter as they are rich in nitrogen. Also, beneficial worms may be attracted to your compost with the addition of old coffee. Just be sure to limit the amount of grounds that you add to your pile so that you don’t throw off the ratio of “green” to “brown” matter.
Who knew right...!
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