penstemon barbatus การใช้

• Wiry stems like those of scarlet Penstemon barbatus Prairie Fire are often a clue that the plant is a thrifty drinker.
• The late-summer flowering of " Penstemon barbatus " coincides with the southern migration of the Rufous hummingbird, and the hummingbirds use the Scarlet buglers as " filling stations " for their long trip south.