Posted: 11/07/2016 at 11:40
Lynne. I'm not sure Monty is available right now so I'll try and help instead.
Firstly: decide that vegetables you ACTUALLY EAT. There's no point growing enough strawberries in hanging baskets to stock Wimbledon if no one eats them: trust me on this (anyone want any strawberries??)
Cut and come again lettuce is fast growing and will live happily in seed trays which could satisfy your grandchildrens curiosity and naturally short attention span. You should be able to find plenty of different varieties / colours easily too.
Had it been spring I'd have been suggesting tomatoes (grow happily in a bag or bucket and you can get miniature varieties like tumbling toms which while small have one hell of a strong taste. Chillies would also be a good one although they take a long time to harvest but being in a terrace means that if you plant in early spring you should be lucky with the shelter of the building creating protect from the frosts and cold that hamper their growth.
Think also about the likes of basil, mint, parsley, and other herbs that will happily sit in in a pot (on the windowsill in some cases) and can be cut and left to regrow several times over.
Tell us what fruit and vegetables you like and we'll see if we can suggest which are suitable!