Your questions answered

Will campanulas like a mix of acidic compost and topsoil?

A reader has asked if campanulas can grow  in an old half-barrel that already contains a mix of ericaceous soil and topsoil. Many campanula varieties are surprisingly adaptable and aren’t as particular about soil pH as some other plants. While…

Why is my star magnolia looking a little anaemic?

Your beautiful Magnolia stellata, with its delicate star-shaped blossoms, is a true sign of spring. But what if those lovely green leaves are starting to look a bit, well, anaemic? If you notice a pale green or yellowish discolouration between…

What are these red beetles on my lilies?

The lily beetle (Lilioceris lilii) is a notoriously invasive non-native pest for UK gardeners who love lilies (Lilium), fritillaries (Fritillaria), and giant lilies (Cardiocrinum). Both the adult beetles, with their striking bright red bodies and black heads, and their unpleasant-looking…

Why is my container grown heuchera wilting?

Sudden wilting is almost certainly due to the vine weevil larvae (grubs) actively feeding on and destroying the plant’s root system. While adult vine weevils cause minor, notched damage to the leaves, it’s the C-shaped, creamy-white grubs with brown heads…