Coffee grounds make for an excellent source of nitrogen and can do wonders for acid-loving plants such as roses and azaleas.

Plants like rhododendrons, azaleas and camellias need special ericaceous compost, ideal for acid-loving plants. Put a layer of broken terracotta pot or even chunks of polystyrene at the bottom of ...

Acid-loving plants such as rhododendrons, camellias and Japanese maples need special ericaceous compost to thrive - if grown in general purpose compost the leaves will yellow and plants may refuse ...