Picture posting is enabled for all :)
Apologies for not searching first :-[Seems like it's not really worth it. Thanks for the link.
Saddad, are the varieties of corn you mention suitable for eating off the cob or do you have another purpose in mind when you grow them?
Thanks everyone for the kind welcome and excellent advice. I've been reading book after book after getting the allotment, but personal experience is really interesting. I've probably bored all my friends with allotment chat so hope you won't mind a newbie asking the obvious!