Penstemon Red Rocks (Beardtongue) is a superb hybrid variety that blooms most of the summer with large rose-pink flowers. The plants are vigorous and have attractive glossy green foliage. A 1999 Plant Select winner. Drought resistant/drought tolerant plant (xeric).
This lovely hybrid Penstemon was developed by Bruce Meters, 'Red Rocks' is named after Denver's famous amphitheater which was carved out of the spectacular red sandstone cliffs in the foothills west of the city. This hybrid has glossy, narrow foliage and tall spikes of stunning rose-pink and white flowers. This is a vigorous grower that performs best in moderately fertile, but well-drained soils. Though xeric, Penstemon Red Rocks will flower most vigorously with regular watering. Cut back just above ground-level in mid-spring. Deadhead to extend blooming. 1999 Plant Select Winner 18" tall x 15" wide (cutting propagated).
Item Package Size
Plant - 5" Deep Pot
'Red Rocks' Beardtongue
Penstemon mexicali 'Red Rocks'
5, 6, 7, 8, 9
Late spring to summer
Low Fertility Soil, Well-Drained Soil
Bee Friendly, Attract Hummingbirds, Attract Birds, Native, Extended Bloom Time (more than 4 weeks), Easy To Grow, Good For Cut Flowers, Good For Containers, Good Rockgarden Or Alpine Plant, Rabbit Resistant
Anywhere In The US, West, Southwest, Pacific Northwest
Spring / Summer, Fall
Ships To Canada
Tips for growing Penstemon (Beardtongue)
Penstemon are generally evergreen and have beautiful flowers that are very attractive to hummingbirds. Most varieties are rabbit resistant.
They need “elbow room,” maximum sun, heat and don’t like to be crowded by other plants.
Plant only in well-drained soils; clay soils and Penstemon are incompatible.
Avoid overly enriched soils; too much compost and fertilizer will shorten their lifespan.
They establish quickly and the amount and frequency of watering needs to be reduced after about 8 to 10 weeks to create dry conditions.
When using drip irrigation, be sure to put the emitter off to the side of the plant, not right on top of the root ball to avoid overwatering the plant.
Plant high, leaving the top of the rootball just above the surrounding soil to avoid burying the crown of the plant.
Mulch with gravel or pine needles in arid climates. No mulch is needed where conditions are moister. Always avoid bark, grass clippings, or compost as mulch materials.
Allow some of the plants to set seed (don't deadhead all of the flower spikes)*.
*To keep penstemon that have finely textured or matted evergreen foliage looking their best, you'll want to 'deadhead" them. Shear off the fading flowering spikes just as the plant is going out of flower. Gently bunch the flower spikes together with one hand and cut them off at the point where they go down into the mat of foliage with your clipper in your other hand. Recommended for the following varieties: P. pinifolius types (‘Compactum', ‘Mersea Yellow', ‘Nearly Red', ‘Magdalena Sunshine' and ‘Tall Orange Mix'), as well as Penstemon linarioides v. coloradensis and Penstemon virens ('Blue Lips').
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