Airplane attendants have used bags of unused coffee grounds in restrooms on planes to help neutralize odors. This also works in kitchen cabinets. Just place some grounds on a plate and stick in the cabinet.
Plants such as rosebushes, azaleas, rhododendrons, evergreen and camellias that prefer acidic soils will appreciate the leftovers from your morning cup. Also, grounds can add nutrients to your compost pile.Sprinkle old grounds around places you don’t want ants, or on the ant piles themselves. The little buggers will move on or stay away. Used grounds are also said to repel snails and slugs.
By steeping grounds in hot water, you can make brown dye for fabric, paper and even Easter eggs.You can even apply steeped grounds liquid to furniture scratches with a Q-tip.
Because they are slightly abrasive, grounds can be used as a scouring agent for greasy and grimy stain-resistant objects.
To keep kitty from using the garden as her personal powder room, sprinkle grounds mixed with orange peels around your plants.
Before you clean out the fireplace, toss wet coffee grounds over the ashes to keep the ash dust under control.