How do i deal with an old cankered apple tree?

Jill Young, Stroud, Gloucestershire Professor Buczacki is ...

Stefan Buczacki Professor Buczacki is a horticultural expert, ...

Do you know the name of this pelargonium? ...

Stefan Buczacki Professor Buczacki is a horticultural expert, writer ...

Stefan Buczacki Professor Buczacki is a horticultural expert, ...

■ The Greenhouse Book by Tom Brown was published earlier this year and is full of advice on maintenance, plants to grow, pests and diseases and constructing your own greenhouse. (Dorling Kindersley, £