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Product Description
Brighten your garden with Penstemon Grandiflorus, a hardy heirloom perennial valued for its showy tubular flowers and compact growth habit. Often called Large-Flowered Beardtongue, this variety is perfect for borders, rock gardens, and wildflower plantings. Its elegant blooms attract pollinators, making it both a beautiful and beneficial addition to any home garden.
Features
Botanical Name: Penstemon grandiflorus
Plant Type: Perennial flowering plant
Growth Habit: Upright, compact growth ideal for small spaces
Bloom Feature: Showy tubular blossoms in soft pink to lavender shades
Heirloom & GMO Free seeds
Suitable for pollinator-friendly gardens
Specifications
Sunlight: Full sun preferred
Soil: Well-drained, sandy or loamy soil
USDA Zones: 3–8
Blooming Season: Late spring to early summer
Mature Height: 18–30 inches tall
Watering: Low to moderate; drought tolerant once established
Planting & Sowing Instructions
Seed Preparation: Cold stratify seeds for 30–60 days to enhance germination.
Sowing: Sow seeds on the surface of well-draining soil; lightly press in without covering deeply.
Germination: Keep soil moist at 65–75°F (18–24°C); germination may take 3–6 weeks.
Transplanting: Move seedlings outdoors after frost danger has passed, spacing 12–18 inches apart.
Care: Water moderately, avoid overwatering, and enjoy low-maintenance blooms each season.
Penstemon grandiflorus, commonly known as Large Beardtongue, is a hardy perennial admired for its compact growth and showy blue-lavender flowers. Ideal for borders and naturalized garden areas, it attracts pollinators while requiring minimal care.
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