Penstemon Giant Hybrids by King Seeds

Penstemon Giant Hybrids are tall, showy beardtongues prized for their large, foxglove-like flowers and vibrant color range. They’re especially popular in cottage gardens and pollinator-friendly landscapes.

Key Features

• Height: 2–3 ft (60–90 cm)

• Spread: 12–18 in (30–45 cm)

• Flower colors: Pink, rose, red, lavender, purple, and bicolors

• Bloom time: Late spring to mid-summer

• Foliage: Narrow, lance-shaped green leaves

• Attracts: Bees, butterflies, hummingbirds

Growing Requirements

• Sun: Full sun (best flowering)

• Soil: Well-drained, light soil (tolerates poor soils)

• Water: Moderate; drought tolerant once established

• Zones: Typically grown as tender perennials in Zones 9–10, but often treated as annuals in cooler climates

Care Tips

• Deadhead spent blooms to encourage repeat flowering.

• Avoid heavy, waterlogged soils (they dislike “wet feet”).

• Light mulch in winter in mild climates.

• Start from seed indoors 8–10 weeks before last frost or sow directly after danger of frost.

Garden Uses

• Mixed borders

• Cottage gardens

• Pollinator gardens

• Cut flower arrangements