What is this? Soil is either acidic, neutral, or alkaline. The name Ericaceae comes from a family of flowering plants, more commonly known as the Heather family. This type of flower is known to grow in acidic soils, so an ericaceous soil by definition is acidic.

What can I add to compost to make it ericaceous?

Making Ericaceous Potting Mix

Mix in 20 percent perlite, 10 percent compost, 10 percent garden soil, and 10 percent sand. If you are concerned about the environmental impacts of using peat moss in your garden, you can use a peat substitute such as coir.

Will ericaceous compost harm other plants?

Can I use ericaceous compost on all plants? ... Ericaceous compost is ideal for acid-loving plants so you should use it for them solely and use neutral or alkaline soil for other types of plants.