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Penstemon strictus is a perennial flowering plant with an upright, clump-forming growth habit and narrow foliage. It is well adapted to temperate and semi-arid climates and performs best in full sun with well-drained soil. This variety establishes steadily from seed and is suitable for garden beds, borders, and naturalized planting areas. It prefers moderate moisture during establishment and becomes more tolerant of drier conditions as it matures.
Features
- Upright, clump-forming perennial plant
- Suitable for beds, borders, and naturalized areas
- Performs well in full sun environments
- Adapted to temperate and semi-arid climates
- Tolerates drier conditions once established
Specifications
- Scientific Name: Penstemon strictus
- Common Name (US): Beardtongue
- Seed Type / Variety: Strictus Variety
- Growth Habit: Upright, clump-forming perennial
- USDA Zones: 4-8
- Planting Season: Spring or fall
- Growing Season: Warm to mild season
- Sowing Season: February to April and September to October
- Germination Time and Conditions: 14-28 days at 18-22°C; may benefit from cold stratification
- Sunlight Requirements: Full sun
- Soil Requirements: Well-drained, light to moderately fertile soil
- Watering Needs: Moderate; reduce watering after establishment
- Mature Plant Size: 45-90 cm height, 30-45 cm spread
- Plant Spacing: 30-45 cm between plants
