Rock Penstemon
Penstemon baccharifolius
Rock penstemon is a tough, somewhat woody Texas native that wedges into limestone crevices and blooms cherry-red for months in summer heat. A hummingbird favorite for hot, dry, alkaline rock gardens.
- Family
- Plantaginaceae
- Type
- shrub
- Lifespan
- perennial
- Height
- 1–2 ft
- Spacing
- 1–2 ft apart
- Light
- sun, part shade
- Soil moisture
- dry
- Soil pH
- alkaline
- Bloom
- April, May, June, July, August, September, October
- Bloom colors
- red
- Wildlife value
- hummingbirds, pollinators, larval host
- Caterpillar hosts
- ~8 butterfly & moth species
- Landscape uses
- foundation, container
- Native states
- TX
Related native plants
More Penstemon species
- Large Beardtongue (Penstemon grandiflorus)
- Foxglove Beardtongue (Penstemon digitalis)
- Cobaea Beardtongue (Penstemon cobaea)
- Scarlet Bugler (Penstemon centranthifolius)
- Palmer's Penstemon (Penstemon palmeri)
- Beardlip Penstemon (Penstemon barbatus)