Penstemon 'Sunburst Colours'       0

- Growing Penstemons, Dale Lindgren and Ellen Wilde. 2012. ISBN
- Seeds of woody plants in the United States, Schopmeyer Clifford Scharff and others. 1974 pag. 574-575. Address
- Annals of the Carnegie Museum, Carnegie Museum and Carnegie Museum of Natural History. 1937. Address
- Contributions from the United States National Herbarium v.20, United States. National Herbarium. 1917. Address
- Contributions from the United States National Herbarium v.29, United States. National Herbarium. 1957. Address
- Diploid Hybrid Speciation in Penstemon (Scrophulariaceae), Wolfe, Andrea and Xiang, Jenny and Kephart, Susan. Proceedings of the National Academy of Sciences of the United States of America 1998 Vol. 95 pag. 5112-5. DOI
- Flora of North America. Penstemon
- Los penstemons de México. II. Penstemon hartwegii, Penstemon gentianoides y sus aliados, Straw, Richard M. Botanical Sciences 1962 Vol. 27 pag. 1-36. DOI
- Phylogeny, taxonomic affinities, and biogeography of Penstemon (Plantaginaceae) based on ITS and cpDNA sequence data, Wolfe, Andrea and Randle, Christopher and Datwyler, Shannon and Morawetz, Jeffery and Arguedas, Nidia and Diaz, Jose. American journal of botany 2006 Vol. 93 pag. 1699-713. DOI
- Studies in Penstemon. II. The Section Hesperothamnus, Keck, David D. Madroño; a West American journal of botany 1936 Vol. 3 pag. 200-219. Address
- Studies in Penstemon. IV. The Section Ericopsis, David D. Keck. Bulletin of the Torrey Botanical Club 1937 Vol. 64(6) pag. 357-381. JStor
- Studies in Penstemon. V. The Section Peltanthera, David D. Keck. The American Midland Naturalist 1937 Vol. 18(5) pag. 790-829. JStor
- Studies in Penstemon. VI. The Section Aurator, David D. Keck. Bulletin of the Torrey Botanical Club 1938 Vol. 65(4) pag. 233-255. JStor
- Studies in Penstemon. VII. The Subsections Gairdneriani, Deusti, and Arenarii of the Graciles, and Miscellaneous New Species, David D. Keck. The American Midland Naturalist 1940 Vol. 23(3) pag. 594-616. JStor
- Systematics of Penstemon section Ericopsis, a group of plant species native to the Intermountain West, Wenzel, Aaron. 2016. Address
- The Californian Penstemons, Everett, Percy C. Aliso: A Journal of Systematic and Floristic Botany 1950 Vol. 2(2) pag. 155-198. Address
- The genus Penstemon: Taxonomy as related to performance in landscape applications, Love Stephen L. Report of the Intermountain Native Plants Cooperative 2013 pag. 13. Address
- Report of the Intermountain Native Plants Cooperative, Plants, Intermountain Native. Address

Biological type: plant
Frost resistance: 14ºF
Leaf color: dark green
Flower color: lila
Reproduction mode: hermaphrodite plant whoes flowers produce both male and female gametes

Specifications for the Mediterranean basin
Adult size (h x w): 1,6ft x 1,6ft
Sun exposure: full sun (Sun hours: >6h
Foliage: evergreen
Growth: fast
Flowering time from June until October

Specific information for our garden
Planting substrate: 20%Compost+40%Clay+40%Sand
Plant watering: 3x a week pH 6.5
Logical sequence of containers for: Perennials; forestry plate 8cm, 1L container, 2L forestry pot, 6L container, 55L container
Propagation is done by root division

SPRING Keep in refrigerator at 39°F in dry condition. Soak the seeds in ambient water for 12h. Keep in refrigerator at 39°F for 6 weeks in humid substrat. Sow the seeds at 2mm depth in the Well Drained Seed Sowing Mix between 59-68°F. During germination keep the substrate moist and in daylight. The seeds germinate in 2-3 weeks. The viability of the seeds, kept under good conditions, is 5 years.

Germination references for the genus
- Growing Penstemons, Dale Lindgren and Ellen Wilde. 2012. ISBN
- Seeds of woody plants in the United States, Schopmeyer Clifford Scharff and others. 1974 pag. 574-575. Address
- Influence of seed stratification and seed age on emergence of Penstemon, Lindgren, Dale T and Schaaf, Daniel M. HortScience 2004 Vol. 39(6) pag. 1385-1386. Address
- Seed germination theory and practice, Deno Norman C. 1993. Address
- Seed Germination timing patterns in intermountain Penstemon (Scrophulariaceae), S. E. Meyer and S. G. Kitchen and S. L. Carlson. American Journal of Botany 1995 Vol. 82(3) pag. 377-389. JStor
- USDA Forest Service's Woody Plant Seed Manual, John K. Francis and Craig D.Whitesell. 2008. Address