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Shadow Mountain® Penstemon

Penstemon x mexicali 'Psmyers'

$8.79
$8.79 $10.99
per Plant - 5" Deep Pot
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ZONES  4-8 | Good to grow! Zone
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• Penstemon x mexicali ‘Psmyers’ Shadow Mountain® (Beardtongue) is a native hybrid blooming from early summer through fall with white and lavender-blue flowers accented with deep red veining
• Tubular flowers offer a rich source of nectar and pollen, inviting hummingbirds, butterflies, and bees to your yard
• This drought resistant plant features glossy evergreen foliage
• A 2007 Plant Select® introduction

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Shadow Mountain® Penstemon

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Description

Penstemon x mexicali ‘Psmyers’ Shadow Mountain® (Beardtongue) is a unique variety with striking flowers. Abundant flower spikes rise above a mound of attractive glossy green narrow leaves, with blooms lasting for months from summer to fall. This cousin of Plant Select’s RED ROCKS® and PIKES PEAK PURPLE® Penstemons, was discovered at Welby Gardens in Denver, CO.

This Penstemon is tolerant of many different soil types and can be grown in full sun as well as light shade. While SHADOW MOUNTAIN® does very well grown in a xeric situation, it blooms heavier and more continuously with moderate watering. However, avoid frequent, heavy watering as this will make it floppy. Deadheading will prolong bloom. Cut back each fall for a fresh new look in spring. Seedlings may not be true to variety color.

Planting & Care

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 lifespan.
  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: Growing Penstemon,]David’s Favorite Plants: Pineleaf Beardtongue, The Beardtongue Family: Penstemania for Penstemon.

Shipping

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As soon as your order is placed you will receive a confirmation email. You will receive a second email the day your order ships telling you how it has been sent. Some perennials are shipped as potted plants, some as perennial roots packed in peat.  The ‘Plant Information’ section describes how that item will ship. All perennials and fall-planted bulbs are packaged to withstand shipping and are fully-guaranteed. Please open upon receipt and follow the instructions included.

Perennials and fall-planted bulbs are shipped at the proper planting time for your Growing Zone. Perennial and fall-planted bulb orders will arrive separately from seeds. If your order requires more than one shipment and all items are shipping to the same address, there is no additional shipping charge. See our shipping information page for approximate ship dates and more detailed information. If you have any questions, please call Customer Service at (802) 227-7200 or contact us by email or chat.

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key features

Advantages
  • Bee Friendly
  • Attracts Butterflies
  • Attracts Hummingbirds
  • Native
  • Long Bloom Time
  • Rock Gardens
  • Deer Resistant
Light Requirements
  • Morning Sun & Afternoon Shade
  • Full Sun
Bloom Time
Early summer to fall

Additional information

Planting Time
  • Spring / Summer
Soil Moisture
  • Average
  • Waterwise
Soil Type
  • Sandy Soil
  • Clay Soil
  • Compost Enriched Garden Loam Soil
Mature Height
18-24" tall
Mature Spread
14-18" wide
Growing Zones
  • Zone 4
  • Zone 5
  • Zone 6
  • Zone 7
  • Zone 8
Ideal Region
  • Suitable Above 7000 ft
  • Coastal California
  • Hot Desert
  • Midwest
  • Northeast
  • Pacific Northwest
  • Southwest
  • West
Native To
North America
Awards
Plant Select®
Neonicotinoid Free
Yes
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