The white dogwood ( Cornus florida) is perhaps the most well-known white flower tree. There are around 60 species of dogwoods ...

This rose species is a feature of the highly regarded white garden at Sissinghurst Castle Garden in England, where it has been grown on the four sides of a large square trellis about 10 feet high.

This is a real white rose from the 1-800-Flowers.com nurseries, and the company says the flower has been treated and carefully preserved to maintain its shape and coloring for up to one year.

Fascination with white flowers By VAL WHITMYRE UC Master Gardener Aug 10, 2002 0 ...