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Penstemon confertus - Douglas.

Common Name Yellow Penstemon
Family Scrophulariaceae
USDA hardiness 3-7
Known Hazards None known
Habitats Fairly moist open or wooded places, often in meadows or by streams, in lowland and foothills to moderate elevations in the Rockies[60]. Dry sandy pinewoods[233].
Range Western N. America.
Edibility Rating    (1 of 5)
Other Uses    (2 of 5)
Weed Potential No
Medicinal Rating    (1 of 5)
Care (info)
Fully Hardy Well drained soil Moist Soil Full sun
Penstemon confertus Yellow Penstemon


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Penstemon confertus Yellow Penstemon
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Summary


Physical Characteristics

 icon of manicon of flower
Penstemon confertus is an evergreen Perennial growing to 0.6 m (2ft) by 0.3 m (1ft in).
See above for USDA hardiness. It is hardy to UK zone 3. It is in leaf all year, in flower from July to September. The species is hermaphrodite (has both male and female organs).
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers dry or moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

Habitats

 Cultivated Beds;

Edible Uses

Edible Parts:
Edible Uses: Tea

A tea-like beverage is made by boiling the dried leaves and stems for a short time[161, 177, 183, 257]. If made too strong, it can have a purgative effect on the body[257].

References   More on Edible Uses

Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
Purgative  Salve  Stomachic

A strong decoction of the root is purgative[257]. A decoction of the outer bark has been used in the treatment of stomach troubles[257]. The roasted and powdered stems and leaves have been used as a dressing on sores, cuts and wounds[257].

References   More on Medicinal Uses

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Other Uses

Dye

The flowers can be boiled and then rubbed on items to give them an indelible blue colouring[257].

Special Uses

References   More on Other Uses

Cultivation details

Succeeds in ordinary rich garden soils so long as they are well-drained[1]. Succeeds in dry soils. Requires a position in full sun[188]. Very cold hardy, but some protection from winter wet is beneficial for this plant[1]. Plants are evergreen in mild winters[233].

References   Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

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Fahrenheit:

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Propagation

Seed - sow late winter in a greenhouse[1]. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in late spring. Alternatively, the seed can be sown in early summer in a greenhouse, the seedlings overwintered in the greenhouse and then planted out in the following spring[1]. Division in autumn[111]. Cuttings can be taken throughout the growing season, though August/September is best[1].

Other Names

If available other names are mentioned here

Found In

Countries where the plant has been found are listed here if the information is available

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status

IUCN Red List of Threatened Plants Status :

Related Plants
Latin NameCommon NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Penstemon acuminatusSand-Dune Penstemon, Sharpleaf penstemonPerennial0.6 4-8  LMHNDM01 
Penstemon grandiflorusLarge Beard TonguePerennial1.2 3-7  LMHSNDM01 
Penstemon procerusSmall-Flowered Penstemon, Littleflower penstemon, Pincushion beardtongue, Tolmie's penstemonPerennial0.4 3-7  LMHSNDM10 

Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.

 

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Expert comment

Author

Douglas.

Botanical References

60200

Links / References

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