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Product Description
Provide welldrained soil ample sunlight and regular watering for best growth. Maintain proper garden care to enjoy healthy vibrant plants perfect for your home garden.

Life Cycle
Perennial plant
Planting Season
Spring planting
Growth Habit
Upright spreading
Flavor Profile
Not edible
Plant Characteristics
Dark foliage blooms
Use
Borders, landscaping
Growing Conditions
Well-drained soil
Harvest Advantages
Long flowering
Plant Resistance
Sun tolerant
Scientific Name: Penstemon gunnisonii
Seed Names
Gunnisonii
Seed Type
Heirloom non-GMO
Gunnisonii seeds grow into hardy perennial plants producing upright spikes with dark foliage and vibrant flowers. These heirloom, GMO-free seeds are ideal for sun-loving home gardens, borders, and naturalized landscapes. Gunnisonii is prized for its durability, colorful display, and extended bloom season.
Light Requirement
Full sun
Planting Depth
¼ inch
Sowing Method
Direct sow
Plant Spacing
12–18 inches
Days to Maturity
90–120 days
Soil Preparation
Cold stratification
Hardiness Zones
Zones 5–9
Water Needs
Moderate watering
Planting Season
Early spring
Seed Count
Recommended Coverage
100
Up to 30 sq ft
500
Up to 150 sq ft
1000
Up to 300 sq ft