Plantae > Tracheophyta > Magnoliopsida > Lamiales > Plantaginaceae > Penstemon > Penstemon gairdneri

Penstemon gairdneri (Gairdner's beardtongue)

Synonyms:

Infraspecies

Penstemon gairdneri var. oreganus (Gairdner's beardtongue)

Attributes

Allergen Potential [1]  Low
Screening - Summer [2]  Porous
Screening - Winter [2]  Porous
Bloom Period [2]  Late Spring
Drought Tolerance [2]  High
Fire Tolerance [2]  Low
Frost Free Days [2]  4 months 20 days
Fruit/Seed Abundance [2]  Medium
Fruit/Seed Begin [2]  Spring
Fruit/Seed End [2]  Spring
Growth Form [2]  Single Crown
Growth Period [2]  Spring
Growth Rate [2]  Moderate
Leaf Type [2]  Deciduous
Lifespan [2]  Perennial
Propagation [2]  Seed
Regrowth Rate [2]  Slow
Root Depth [2]  10 inches (25 cm)
Seed Spread Rate [2]  Slow
Seed Vigor [2]  Medium
Seeds Per [2]  399999 / lb (881848 / kg)
Shape/Orientation [2]  Erect
Structure [3]  Shrub
Vegetative Spread Rate [2]  None
Flower Color [2]  Blue
Foliage Color [2]  Green
Fruit Color [2]  Brown
Flower Conspicuous [2]  Yes
Height [2]  12 inches (0.3 m)
Hardiness Zone Minimum [2]  USDA Zone: 4 Low Temperature: -30 F° (-34.4 C°) → -20 F° (-28.9 C°)
Light Preference [2]  Full Sun
Soil Acidity [2]  Neutral
Soil Fertility [2]  Infertile
Water Use [2]  Low

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Lake Roosevelt National Recreation Area V 103172 Washington, United States

External References

USDA Plant Profile

NatureServe Explorer

Citations

Attributes / relations provided by
♦ 1Derived from Allergy-Free Gardening OPALS™, Thomas Leo Ogren (2000)
♦ 2USDA Plants Database, U. S. Department of Agriculture
♦ 3Kattge, J. et al. (2011b) TRY - a global database of plant traits Global Change Biology 17:2905-2935
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0