Ask The Expert

I am trying to decide which watering system is going to be best to ensure our veg plot is kept watered without depending on the neighbours. What do you advise...?

The crop rotation system is giving me a headache! Do I keep plant groups out of the same bed for 3 years or 4? What does it achieve? Which crops follow which and do I need to practice crop rotation closely in raised beds? Help!

I used the outdoor Spider Mite Killer Sachets last year on spider mites in my conifer hedge and I'm pretty sure they were successful. I notice that in your 2011 catalogue you don't have the outdoor version; is this not available any more ? And have you any additional advice on using the sachets...?

Some of my strawberry plants are looking a bit worse for wear and I suspect the vine weevil may be the culprit. Nematodes seem to be the answer but how do they work and when should I apply them...?

I've heard the terms potting compost regularly but I've never worked out what potting mix is. Can you help...?

I'm considering placing raised beds on grass and I'm not sure of the best way to go about it. I'm also concerned about drainage as I don't want the beds to become waterlogged. Do you have any advice...?

I'd like to compost all the kitchen waste produced by a school kitchen but I'm concerned that some food waste might not break down. Have you any advice...?

I want to keep my greenhouse free of frost this winter and spring but I can't keep an eye on it every day. Any solutions you can suggest ...?

I'm in the process building my own propagation bench and I need to clarify a few things, like which size of cable I'll need and what type of sand I should use. Can you help...?