Rocky Mountain Penstemon Seeds

Rocky Mountain Penstemon Seeds

Size Price Savings Quantity
Packet $4.79
1 Ounce $23.09
1/4 Pound $54.59 ($13.64/ounce) 41% Savings
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  • These lovely periwinkle-colored blooms are native to North America
  • Heirloom North American native perennial
  • Tall-growing heirloom with purple Summer blooms
  • Thrives in full sun or partially shaded areas
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Life Cycle Perennial
Planting Season Spring
Color Purple
Growth Habit Upright
Plant Height Up to 18 inches
Bloom Season Summer

Plant Characteristics Attracts Bees, Attracts Butterflies, Attracts Hummingbirds, Attracts Pollinators
Use Container Garden, Erosion Control, Xeriscaping
Growing Conditions Drought Tolerant, Heat Tolerant, Outdoor
Plant Resistance Deer, Rabbit

About Rocky Mountain Penstemon Seeds

Penstemon strictus

Seed Type Heirloom Seed
Also known as Beardtongue, Beard Tongue

As you probably could have guessed, Rocky Mountain Penstemon is native to the Western mountain states and a common resident of high mountain meadows. Like its siblings in pink and white, this periwinkle blue penstemon also demonstrates remarkable drought tolerance!

Planting Information

Planting Rocky Mountain Penstemon Seeds

Planting Season Spring
Seed Prep Requires Light, Stratification
Sowing Method Direct Sow, Start Indoors
Light Requirement Full Sun, Partial Shade
Planting Depth 1/8 inch
Plant Spacing 12 inches
Plant Height Up to 18 inches
Water Needs Average
Hardiness Zones 3, 4, 5, 6
View our Penstemon Planting Guide to learn more.


Amount Avg Seed Count Recommended Coverage
Packet 420 Up to 80 Sq. Ft
1 Ounce 29,800 Up to 625 Sq. Ft
1/4 Pound 272,000 Up to 2,500 Sq. Ft

Companions Plants

Companion Plants for Rocky Mountain Penstemon Seeds