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Product Description
Add stunning color to your garden with Red Penstemon Hartwegii seeds, a perennial flowering plant admired for its vibrant red blooms and tubular flowers that attract pollinators. These heirloom, GMO-free seeds are perfect for borders, rock gardens, and containers, offering easy-care, low-maintenance growth for home gardeners.
Features & Specifications:
Plant Type: Perennial flowering plant (Penstemon hartwegii)
Flower Color: Red
Height/Spread: 60–90 cm (24–36 inches)
Blooming Season: Late spring to summer
Seed Type: Heirloom, non-GMO
Sun Requirement: Full sun
Soil Preference: Well-draining soil
Maintenance: Low-maintenance, ideal for borders, rock gardens, and containers
Planting & Sowing Instructions:
Seed Preparation: Soak seeds briefly in lukewarm water for 12–24 hours to improve germination.
Sowing Time: Sow indoors 6–8 weeks before the last frost or directly outdoors after frost risk has passed.
Depth: Sow seeds 0.5–1 cm (¼ inch) deep in seed trays or prepared soil.
Spacing: Thin seedlings to 30–45 cm (12–18 inches) apart for healthy growth.
Watering: Keep soil lightly moist until seedlings establish.
Germination: Seeds typically sprout in 2–3 weeks under optimal conditions.
Transplanting: Transplant seedlings into garden beds, borders, or containers when strong enough.

Life Cycle
Perennial (often grown as annual)
Planting Season
Warm season
Growth Habit
Upright branching stems
Flavor Profile
Not applicable
Plant Characteristics
Bright red tubular blooms with lush green foliage
Use
Borders, containers, pollinator gardens, cut flowers
Growing Conditions
Fertile, well-drained soils with full sunlight
Harvest Advantages
Long blooming season with excellent vase appeal
Plant Resistance
Heat tolerant, attracts hummingbirds, low maintenance
Scientific Name: Penstemon hartwegii
Seed Names
Red Penstemon Hartwegii Seeds
Seed Type
Heirloom open-pollinated (GMO Free)
Red Penstemon Hartwegii is a striking garden favorite valued for its vibrant red tubular flowers and extended blooming season. Perfect for sunny borders and pollinator-friendly gardens, this heirloom variety attracts hummingbirds and butterflies while adding bold color to landscapes. Its upright growth and easy-care nature make it an excellent choice for home gardeners.
Light Requirement
Full sun
Planting Depth
Surface sow; lightly press into soil
Sowing Method
Start indoors 6–8 weeks before last frost or direct sow in warm climates
Plant Spacing
12–18 inches
Days to Maturity
80–100 days
Soil Preparation
No treatment required (light stratification optional)
Hardiness Zones
USDA 8–10 (grown as annual in cooler climates)
Water Needs
Moderate; well-drained soil
Planting Season
Spring / Early Summer
Seed Count
Recommended Coverage
100
Up to 15 sq ft
500
Up to 30 sq ft
1000
Up to 150 sq ft