275 Rocky Mountain Penstemon Seeds
Grow Rocky Mountain Penstemon (Penstemon strictus), a western North American perennial known for upright spikes of blue-violet flowers. It is well suited to pollinator gardens, naturalized plantings, rock gardens, and sunny borders.
Why Choose Rocky Mountain Penstemon?
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Native wildflower: A distinctive western species for naturalistic and water-wise gardens.
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Blue-violet flower spikes: Upright blooms provide strong color and vertical structure.
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Pollinator friendly: Flowers attract bees, butterflies, and hummingbirds.
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Perennial growth: Established plants can return for multiple seasons.
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Generous seed count: Each pack contains approximately 275 seeds.
What’s in the Pack?
You receive approximately 275 Rocky Mountain Penstemon seeds.
Planting Instructions
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Cold Treatment: For more even germination, mix seeds with a moist medium and refrigerate for about 4–8 weeks.
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Best Time to Plant: Sow outdoors in fall, or start treated seed in late winter to early spring.
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Planting Depth: Surface sow or cover very lightly; light can support germination.
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Light: Full sun.
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Soil: Lean to average, sharply draining soil. Avoid consistently wet ground.
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Spacing: Space mature plants about 12–18 inches apart.
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Growing Zone: Commonly grown in USDA Zones 4–9.
FAQs
Does Rocky Mountain Penstemon need cold stratification?
Cold, moist treatment is recommended for more consistent germination, although results can vary by seed freshness and conditions.
Is this Penstemon native to North America?
Yes. Penstemon strictus is native to parts of western North America.
Can it grow in heavy clay?
It performs best in well-draining soil. Amend or use a raised bed if the planting area stays wet.
When will it flower?
Plants often focus on roots and foliage first, with stronger flowering after they are established.