Penstemon grandiflorus

Large Beard Tongue, Large Beard-tongue, Large Beardtongue, Shell Leaf Penstemon

In Stock: 3.405 lb (Total:3.405lb)
  • Penstemon grandiflorus

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Buying options

3.41 lb


Germination test:
Cut (Full Seed)
Seeds per lb:
3.41 lb
Collected in:
South Dakota
Crop year:
Min. hardiness zone:
Item ID:

Growing Info

Scarification: Soak in water, let stand in water for 24 hours
Stratification: cold stratify for 30 days
Germination: can be sown outdoors in the fall for spring germination, sow seed 1/16" deep, tamp the soil, keep moist, mulch the seed bed

Other: can be fall sown without stratification. 

Looking for an ornamental plant? Look no further than Penstemon grandiflorus, also known as Large Beard Tongue or Shell Leaf Penstemon. This perennial takes root in rich garden soils, as long as they are well-drained. But this plant offers more than just beauty. The roots have been used in the treatment of chest pains and stomach aches, while the leaves have been used to combat chills and fevers. Hardy in zone 3, it blooms from July to August with hermaphrodite flowers. Learn more on plants.usda.gov and add this large beardtongue to your garden today.

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