Which constant failures do you still try?

I have never....dont laugh.....been able to grow a decent raddish

Don't worry, neither have I.  I am persevering though having sown 3 different sorts recently.  Perhaps its because I don't like them and only grow them for Paul.   I blame lack of enthusiasm.

Garlic is my nemesis. 

I've grown it for about 10 years and can say that I have only had one decent harvest during this time.  

Supposed to be an easy crop to grow......yeah right!!!!!