On Sun, 21 Sep 2008 08:41:55 +0100, Byard Sheppard
wrote:

My wife bought some bulbs while on holiday in the UK, now on her return
to Vietnam she has been told that she must Vernalise them or they won't
flower.

What needs to be done depends on the species of the bulb. Here's a
bulb forcing faq I wrote long ago...
http://groups.google.com/group/rec.g...hread/thread/f
6d56dd778bc0601/77fec7deef5cfbce?lnk=st&q=bulb+forcing+faq#77fec7d eef5cfbce
or http://preview.tinyurl.com/5y2xfq

Or search google groups for "bulb forcing faq".

Kay