Gardening with Perennials Month by Month - Joseph Hudak - Google Books

http://books.google.de/books?id=S7kUZgbfP4MC&pg=PA174&dq=Meconopsis+cambrica+'Aurantiaca'+orange&hl=de&sa=X&ei=w9kDT4iUNoyeOsray

When first published nearly 30 years ago, Gardening with Perennials Month by Month sparked a renaissance of perennial plants in American gardens, a trend that continues to this day. The revised and expanded second edition describes the monthly blooming…