"Steve" wrote in message
...
Hi there,

My chestnut seedling is now this big:

https://www.dropbox.com/s/0z0r8y7e2d...2012.38.07.jpg

When should I plant it outside?

I'd pot it on (preferably into a long pot) and grow it on for another
season yet. At its present height it's too tempting for passing
rabbits/deer (or accidental trampling by self).

Janet