On 27 Mar 2007 09:25:45 -0700, "Snowflake"
wrote:

I have been given a present of a blue hydrangea because I do not like
pink and the donor says there is a way to keep it blue but cannot
remember how. Any help is appreciated and the plant is to survive in
North of Scotland.
Ailsa

You need an acid soil. I don't know the geology of your part of the
world in detail, but I don't recall much chalk or limestone up there.
Most of northern Scotland is pre-Cambrian. Do your neighbours grow
rhododendrons or azaleas? If so, your soil is probably OK anyway.


--
Chris

E-mail: christopher[dot]hogg[at]virgin[dot]net