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The Plant Guide

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Whipple’s penstemon

Penstemon whippleanus

This is an upright penstemon with striking deep burgundy, purple, sometimes lavender or cream flowers on thin stems. The stem leaves are lance shaped and the basal leaves are spoon shaped.

Noteworthy CharacteristicsNative from Idaho to Mexico. Use in a rock garden or woodland garden. Tolerates moist and acidic soils slightly more than other penstemons.

CareProvide full sun to part shade, well-drained soil, and average moisture.

PropagationTake softwood cuttings in early summer or semi-ripe cuttings in midsummer. Divide in spring.

ProblemsPowdery mildew, rust, leaf spots, and Southern blight. Slugs and snails may damage young plants.

  • Genus : Penstemon
  • Plant Height : 1 to 3 feet
  • Zones : 3, 4, 5, 6, 7, 8
  • Plant Width : 6 to 12 inches
  • Plant Seasonal Interest : Fall Interest
  • Light : Full Sun to Partial Shade
  • Moisture : Medium Moisture
  • Plant Type : Perennials
  • Flower Color : Red
  • Bloom Time : Summer
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