With some 270 species, penstemons are particularly beloved by rock gardeners. The author has grown most of the species, and this work abounds in useful cultural information based on experience. It also features watercolours and photographs.'
- ISBN10 0881924296
- ISBN13 9780881924299
- Publish Date 1 September 1999
- Publish Status Out of Print
- Out of Print 13 January 2010
- Publish Country US
- Imprint Timber Press
- Format Hardcover
- Pages 307
- Language English