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Penstemon procerus Roy Davidson

Elements of Structural and Systematic Botany

B and T World Seeds' Botanical Glossary

B and T World Seeds' reference number: 46510

The average, annual, minimum temperature zone where Penstemon procerus Roy Davidson is cold hardy
USDA Zone:3 -40° to -30°F   (-40° to -34.5°C)
Type of plant - perennial
Flower or inflorescence: BLUE-PURPLE
Height, in meters: 0.4
Height, in feet: 1.32
Penstemon procerus Roy Davidson sales history


Penstemon procerus Roy Davidson is included in the following
B and T World Seeds flowering plant categories.

9:   Alpine and Rock Garden Seed List (Hardy and Tender)
43:   Herbaceous Border Plant Seed List
88:   Natives of U.S.North West
185:   Plant Species whose germination is improved by Smoke
"Smoke" contains a butenolide compound produced by certain plants when heated, it speeds up or starts the germination of seeds from many different genera.
564:  Plantaginaceae
618:  Scrophulariaceae


Happier and Healthier Plants, Naturally

plant-fungus communities, for improved nutrition, and disease and drought resistance.


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