The pH level of a soil or compost mix determines how acidic or alkaline it is ... You can also mix in some well-rotted manure. Miracle-Gro potting mix is good for roses, but it’s a good idea to ...

In my experience, the best potting mix for Rubber tree plants is well-draining and slightly acidic, with a pH ranging from 5.5 to 7.0. The Ficus elastica can tolerate ... store-bought potting mix like ...