Penstemon hirsutus 'Alba'       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

Type biologique: plante
Rusticité: -15ºC
Couleur des feuilles: vert foncé
Couleur des fleurs: blanc
Mode de reproduction: hermaphrodite plante présentent des organes de reproduction femelles et mâles sur un même organisme

Spécifications pour le bassin Méditerranéen
Taille adulte (h x l): 0,3m x 0,3m
Exposition: plein soleil (Heures de soleil: >6h
Feuillage: persistant
Croissance: rapide
Floraison de Mai jusqu'a Octobre

Informations spécifiques pour notre jardin
Substrat: 20%Compost+40%Argile+40%Sable
Arrosage: 3x semaine pH 6,5
Suite logique de conteneurs pour: Vivaces; plaque forestier 8cm, conteneur 1L, pot forestier 2L, conteneur 6L, conteneur 55L
La multiplication se fait par division racinaire

PRINTEMPS Garder au frigo à 4°C au sec. Tremper les graines dans de l'eau ambiante pendant 12h. Garder pendant 6 semaines au frigo à 4°C dans le substrat humide. Semer les graines à 2mm de profondeur dans le Terreau drainant pour semis entre 15-20°C. Pendant la germination garder le substrat humide et à la lumière du jour. Les graines germent en 2-3 semaines. La viabilité des graines, gardées sous des bonnes conditions, est 5 années.
Le poids moyen des graines est 10000,0 par gramme (0,0001g).

Sources du protocole
- Growing Penstemons, Dale Lindgren and Ellen Wilde. 2012. ISBN


Sources du protocole du genre
- 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