How can i prevent tomato blight?

Looking after roses Cut back shrub ...

THE PROBLEM SOLVER Got a problem? Our Problem ...

Why were some of our sunflower heads deformed? ...

There is a plum tree growing wild on wasteland with delicious fruits borne on its many suckers. If I dig up a sucker can I grow this tree in my garden or do I have to make a graft? Self-seeded plum tr

I’ve had a great year with many of my fruit and veg crops

Professor Buczacki is a horticultural expert, writer and former chair of Gardeners' Question Time