Here are some of my suggestions for spring flowering shrubs.
The Complete Gardens CD-ROM with 3,500 garden plants 9,000 photographs is an interactive plant selector and pruning guide encyclopaedia. Each plant is accompanied with description, plant care, photographs and illustrated pruning advice.
The CD-ROM is a visual plant database to help you find the right plants for your garden and help you with some gardening ideas, here are some examples of plants for spring colour.
Camellia japonica ‘Elegans’
Forsythia x intermedia
Rhododendron ‘Elisabeth Hobbie’
Image Copyright Neil Bromhall Complete Gardens CD-ROM Ltd