Canyon Penstemon
Canyon Penstemon
Plant Type: perennial
Plant Height: 2-3 feet
Spread: 1-2 feet
Flower Color: deep pink to rose
Sun Exposure: Full Sun, Partial Shade
Description:
Canyon Penstemon, scientifically known as Penstemon pseudospectabilis, is a vibrant and hardy perennial native to the Southwestern United States, particularly found in desert canyons and dry, rocky areas. It is celebrated for its showy spikes of deep pink to rose flowers that bloom in late spring to early summer, attracting hummingbirds, bees, and butterflies to the garden.
Growing to about 2 to 3 feet in height and spreading 1 to 2 feet wide, Canyon Penstemon forms an upright clump of lance-shaped, green leaves. The flowers, borne on tall stems above the foliage, provide a striking visual display and add a splash of color to the landscape.
Adapted to full sun to partial shade, Canyon Penstemon thrives in well-draining soil and is notably drought-tolerant once established, making it an excellent choice for xeriscapes, rock gardens, and native plant gardens. It prefers sandy or gravelly soils and benefits from occasional watering during prolonged dry spells, although it is well-suited to low-water landscaping.
In landscaping, Canyon Penstemon is often used for its ornamental appeal and ability to attract wildlife. It serves as an attractive addition to mixed borders, naturalized areas, and water-wise gardens, where its low maintenance requirements and vibrant floral display can be appreciated. The plant's resistance to deer and other pests further enhances its value in the garden.
Overall, Canyon Penstemon is a low-maintenance, drought-tolerant perennial that adds striking color and ecological benefits to sunny garden areas. Its adaptability to harsh growing conditions and long blooming season make it a popular choice for gardeners looking to create impactful and sustainable landscapes in arid and semi-arid regions.
Three Timbers Installation Guide (Feel Free to Follow): Canyon Penstemon
Planting Guide:
- Location: Full sun (at least 6 hours of direct sunlight daily for optimal growth and blooming)
- Soil: Well-drained, sandy or loamy soil (slightly acidic to neutral soil preferred)
- Spacing: Space plants 2-3 feet apart for optimal growth and air circulation
- Planting Depth: Plant at the same depth as the root ball, ensuring the top of the root ball is level with the surrounding soil surface
- Support: Canyon Penstemon is a hardy perennial that grows upright with spiky, tubular flowers, and generally does not require staking
Watering Guide:
Watering After Planting:
- Initial Watering: Water thoroughly immediately after planting to saturate the root ball and surrounding soil
- Frequency: Water every 2-3 days for the first 2-3 weeks to help establish the root system
- Watering Amount: Provide 1 inch of water per session to ensure deep watering around the roots
When is the Plant Established?
- Timeframe: Canyon Penstemon is considered established after 2-3 months when the roots have spread into the surrounding soil and the plant begins showing consistent new growth
Watering Once Established:
- Summer: Water every 7-10 days during the hotter months. If temperatures exceed 100°F, increase watering to every 5-7 days. Provide 1.5-2 inches of water per session.
- Winter: Water every 3-4 weeks during the cooler months, depending on rainfall.
Drip Irrigation Setup:
- Placement of Emitters: Place the drip emitters 12-18 inches away from the base of the plant to ensure that water reaches the root zone
- Flow Rate: Use emitters with a flow rate of 1-2 gallons per hour for slow, deep watering
- Number of Emitters: 1 emitter per plant for even water distribution
- Adjusting Frequency: In the summer, increase watering frequency to every 5-7 days to keep the plant hydrated, especially during high heat. In winter, reduce watering to every 3-4 weeks