Penstemon Grandiflorus Flower seeds for Planting, Compact Growth Heirloom & GMO Free Seeds for Home Garden

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

1. Seed Preparation: Cold stratify seeds for 30–60 days to enhance germination.

2. Sowing: Sow seeds on the surface of well-draining soil; lightly press in without covering deeply.

3. Germination: Keep soil moist at 65–75°F (18–24°C); germination may take 3–6 weeks.

4. Transplanting: Move seedlings outdoors after frost danger has passed, spacing 12–18 inches apart.

5. Care: Water moderately, avoid overwatering, and enjoy low-maintenance blooms each season.