On 29/04/2014 23:41, Frank Booth wrote:
I want to grow some alpines that have their main flowering during the summer
months. Apart from the ubiquitous Campanula can anyone suggest other alpines
that have their main flowering during the above period. Some yellow blooming
alpines would be especially welcome.

Try the RHS Plant finder
http://www.rhs.org.uk/plants/perenni...wind=undefined