Scarlet Bugler (Penstemon centranthifolius) is a striking California native perennial known for its brilliant scarlet-red, tubular flowers and distinctive blue-gray to green foliage. Blooming from spring into summer, its tall, upright flower stalks create a dramatic display of color while attracting hummingbirds and other beneficial wildlife. Naturally found in chaparral, oak woodlands, and dry, open slopes throughout California, this drought-tolerant plant thrives in sunny locations with well-drained soil. Its vivid flowers and low-water needs make it an excellent choice for pollinator gardens, rocky slopes, and native landscapes.

Quick care: Full sun to part shade • Low water once established • Well-drained soil • Bright scarlet-red flowers. See the Plant Profile and Growing Conditions below for full details.

Plant Profile

• Plant Type: Herbaceous perennial

• Mature Size: Approximately 2–4 feet tall and 1–2 feet wide, depending on growing conditions

• Native Range: California and northwestern Baja California, Mexico

• Flower Color: Bright scarlet-red to red-orange

• Bloom Time: Spring through early summer, typically April through July

• Foliage: Blue-gray to green, lance-shaped leaves that may dry back or become summer dormant during hot, dry conditions

• Growth Habit: Upright, clumping perennial with tall flowering stalks and tubular blooms arranged along the stems

Growing Conditions

• Sun: Full sun to part shade; performs best with plenty of sunlight and good air circulation

• Water: Low — drought tolerant once established

• Soil: Well-drained sandy, rocky, gravelly, or loamy soil; can tolerate clay when drainage is adequate

• USDA Zones: Approximately 7–10, depending on local conditions

• Drought Tolerant: Yes — once established

• Maintenance: Low; avoid excessive irrigation and fertilizer. Allow the plant to follow its natural seasonal cycle, including possible summer dormancy. Remove spent flower stalks after blooming if desired.

Planting Instructions

• Best Planting Time: Fall through spring in California, when temperatures are mild and seasonal rainfall supports establishment

• Spacing: Plant approximately 1–2 feet apart, allowing room for mature growth and good air circulation

• Planting Depth: Dig a hole as deep as the root ball and about twice as wide. Set the plant at the same depth it was growing in its nursery container

• Establishment Water: Water thoroughly after planting. Water periodically during establishment, allowing the soil to drain between waterings

• Long-Term Care: Gradually reduce watering as the plant establishes. Once established, provide little supplemental summer water in suitable California climates. Avoid frequent irrigation and waterlogged soil. Allow foliage to dry back naturally during summer dormancy, and remove old flower stalks or damaged foliage as needed.

Wildlife & Pollinators

• Attracts: Hummingbirds, native bees, butterflies, and other beneficial insects

• Pollinator Value: The bright red, tubular flowers provide nectar for hummingbirds and floral resources for visiting insects

• Wildlife Benefits: Seeds may provide food for birds, while the plant contributes to the biodiversity of native garden habitats

• Deer Resistant: Often considered deer resistant, although occasional browsing may occur

• Garden Benefits: Excellent for pollinator gardens, rocky slopes, native perennial borders, chaparral-inspired landscapes, and low-water gardens

• Notable: Scarlet Bugler is especially valued for its vivid red flowers, which stand out beautifully against its blue-gray foliage. Its tubular blooms are particularly attractive to hummingbirds, making it a wonderful addition to wildlife-friendly California gardens. Pair it with native sages, buckwheats, and other drought-tolerant perennials for a colorful, water-wise planting.