Profiles over 4,000 varieties of this popular and striking plant. Illustrated with over 2,200 colour photographs, each entry includes: a description of the plan... » 

Profiles over 4,000 varieties of this popular and striking plant. Illustrated with over 2,200 colour photographs, each entry includes: a description of the plant and flower colour; notes on hardiness, height and spread, and flowering time; advice on cultivation and proven performers; the name of the parent plants, the raiser and similar varieties. «