Snapdragon Penstemon
Keckiella antirrhinoides
Last reviewed: September 2026
Keckiella antirrhinoides is a drought tolerant, evergreen shrub with bright yellow, snapdragon-like flowers that bloom from April through June, thriving on dry, rocky slopes and chaparral in the desert Southwest.
Toxicity unknown
Snapdragon Penstemon (Keckiella antirrhinoides) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
full sun
Water
low
Size
12"–36" H × 12"–36" W
Bloom
Apr, May, Jun
Native to
AZ, CA, NV
Pollinators
bees, hummingbirds
Before you buy
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Snapdragon penstemon is a compact native shrub that produces tubular flowers in spring and early summer. This drought-tolerant plant maintains a neat, rounded form and works well in xeriscape gardens. It requires minimal water once established and thrives in sunny conditions.
Growing Snapdragon Penstemon
Grow Snapdragon Penstemon in full sun and low water. Mature plants reach 12 to 36 inches tall and spread 12 to 36 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Snapdragon Penstemon is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
Wildlife value
The tubular flowers attract hummingbirds and native bees during the spring blooming period. This native plant provides important nectar sources when many other plants are not yet flowering.
Common questions
- When does Keckiella antirrhinoides bloom?
- Keckiella antirrhinoides generally flowers from April through June, producing two-lipped yellow blooms along its slender branches.
- What pollinators does Keckiella antirrhinoides attract?
- Bees and hummingbirds regularly visit the tubular yellow flowers for nectar, making this shrub a useful addition to pollinator gardens.
- How much water does Keckiella antirrhinoides need once established?
- This shrub is adapted to low-water conditions and does best with well-drained soil and minimal supplemental irrigation during summer.
- What light and soil conditions suit Keckiella antirrhinoides?
- It grows best in full sun to light part sun exposure, in rocky, sandy, or gravelly soils that drain quickly, similar to its natural chaparral and desert scrub habitat.
- Is Snapdragon Penstemon HOA-friendly?
- Snapdragon Penstemon is generally an HOA-friendly choice in the right placement, with low maintenance.
These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.
Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
If something looks wrong
Common plant problems, and what to check first
These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Snapdragon Penstemon? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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