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Penstemon mexicali Red Rocks

Red Rocks Hybrid Beardtongue

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).

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SKU: 75796P

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Availability: In stock

$9.99
Plant - 5" deep pot
1999 Plant Select Winner

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  • 1999 Plant Select Winner
    1999 Plant Select Winner
  • 1999 Plant Select Winner
    1999 Plant Select Winner
  • 1999 Plant Select Winner
    1999 Plant Select Winner
Additional Information
SKU 75796P
Common Name Red Rocks Hybrid Beardtongue
Botanical Name Penstemon mexicali Red Rocks
Zones 5, 6, 7, 8, 9
Light Requirements Full Sun, Morning Sun & Afternoon Shade
Flower Color Pink, White
Mature Height 18" tall
Mature Spread 15" wide
Bloom Time Late spring to summer
Ships As Potted Plant
Native Yes
Planting Season Spring / Summer
Soil Type Low Fertility Soil, Well-Drained Soil
Soil Moisture Waterwise
Amount of Rain 10 to 20", 20 to 30", 30 to 40"
Advantages Attract Hummingbirds, Bee Friendly, Rabbit Resistant, Extended Bloom Time (more than 4 weeks)
Ideal Region Anywhere In The US
Neonicotinoid-Free Yes - Learn More
Details
1999 Plant Select Winner 18" tall x 15" wide (cutting propagated). This lovely hybrid 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, 'Red Rocks' will flower most vigorously with regular watering.
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Planting Guides

Tips for growing Penstemon (Beardtongue)

Penstemon are generally evergreen and have beautiful flowers that are very attractive to hummingbirds. Most varieties are rabbit resistant.

  1. They need “elbow room”, maximum sun, heat and don’t like to be crowded by other plants.
  2. Plant only in well-drained soils; clay soils and Penstemon are incompatible.
  3. Avoid overly enriched soils; too much compost and fertilizer will shorten their life span.
  4. They establish quickly and the amount and frequency of watering needs to be reduced after about 8 to 10 weeks to create dry conditions.
  5. 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.
  6. Plant high, leaving the top of the rootball just above the surrounding soil to avoid burying the crown of the plant.
  7. 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.
  8. Allow some of the plants to set seed (don't deadhead all of the flower spikes)*.
  9. Fertilize sparingly. One time each year in the fall is enough. Apply a light application of an organic or natural fertilizer such as Yum Yum Mix as a top dressing around the plants. Don't use high nitrogen water soluble fertilizer like Miracle Gro

*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').

More in-depth guidance for growing Penstemon: Penstemon for the Waterwise Garden, David’s Favorite Plants: Pineleaf Beardtongue, The Beardtongue Family: Penstemania for Penstemon and The Genus Penstemon; The Royalty of American Wildflowers The Genus Penstemon; The Royalty of American Wildflowers (Part 2).


View or download our complete Planting Guide (pdf) for tips on caring for your plants when you receive your order, as well as planting instructions for Perennials, Spring-Planted Bulbs, Fall-Planted Bulbs, Cacti & Succulents, Xeric Plants and more.
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Plant Shipping: Buy now and we will ship your order at the ideal planting time for your region. Your plant orders are scheduled to arrive within 3 days or less of leaving our greenhouses. This prompt delivery is provided without additional express charges. Our Standard Plant Shipping is 3 Days!

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