Penstemon (Penstemon Hartwegii Scarlet Queen)
Start Penstemon seeds and enjoy this long-blooming Scarlet Queen. Hummingbirds also will enjoy the brilliant scarlet tubular flowers with white throats. From June to September, this Scarlet Beardtongue will reward you with non-stop blooming.
Penstemon flower care includes deadheading the spent blooms to help promote continued blooming. Also, during periods of no rainfall, deeply soak the roots of the plant every 2 - 3 weeks.
Flower Specifications
Season: Perennial
USDA Zones: 8 - 10
Height: 30 inches
Bloom Season: Late spring through fall
Bloom Color: Scarlet
Environment: Full sun to partial shade
Soil Type: Well-drained soils, pH 5.8 - 6.8
Deer Resistant: Yes
Latin Name: Penstemon Hartwegii
Planting Directions
Temperature: 60 - 70F
Average Germ Time: 14 - 30 days
Light Required: Yes
Depth: Cover lightly, the seed should be visible
Sowing Rate: 2 - 3 seeds per plant
Moisture: Keep seeds moist until germination
Plant Spacing: 16 - 20 inches