Coffee House Plant Fertilizer. Do this preferably during spring and summer. Houseplants like Philodendrons Jade Plants Christmas Cacti Cyclamen and African Violets grow best with the use of coffee grounds.
To use coffee grounds as fertilizer work the coffee grounds into the soil around your plants. Houseplants like Philodendrons Jade Plants Christmas Cacti Cyclamen and African Violets grow best with the use of coffee grounds. This keeps the plant more manageable and compact and keeps the cherries growing closer together.
Diluting coffee grounds.
Unless you live in such an area special care is needed to grow coffee plants in cooler areas. The best way to use coffee grounds for plants is adding it to your compost pile and then mixing a little bit of that compost in with your potting soil Marino says. Keep in mind that a happy coffee plant can grow up to 6 feet 2 m tall. Coffee grounds can also be used in your garden for other things.