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Original price was: £3.49.Current price is: £2.49.

A superb medium to tall variety for the border (60cm) producing a profusion of flowers over the summer through to the first frost. A hardy annual / half hardy perennial it will over-winter in warmer areas.

997 in stock



PENSTEMON – SENSATION MIXED. A superb medium to tall variety for the border (60cm) producing a profusion of flowers over the summer through to the first frost. A hardy annual / half hardy perennial it will over-winter in warmer areas.

Cultivation Advice 

  • Plant Penstemon ‘Sensation Mixed’ in spring after the last frost or in early autumn to establish well before winter.
  • Opt for well-draining soil rich in organic matter. Amend heavy or clay soils with compost to improve drainage.
  • Penstemons thrive in full sun to partial shade. Aim for at least 6 hours of direct sunlight for optimal growth and blooming.
  • Water newly planted Penstemons regularly to establish a strong root system. Once established, they’re somewhat drought-tolerant but benefit from consistent moisture.
  • Apply a balanced fertilizer at planting time. Avoid high-nitrogen fertilizers that might encourage excessive foliage growth at the expense of blooms.
  • Space plants about 12-18 inches apart to allow for their mature size. Plant at the same depth as they were in their nursery containers.
  • Mulch around the plants to retain moisture and suppress weed growth. Keep the area around the base of the plant weed-free.
  • Deadhead spent flowers regularly to promote continuous blooming. Prune after flowering to maintain shape and encourage new growth.
  • Penstemon ‘Sensation Mixed’ is relatively resistant to pests and diseases. Monitor for aphids or powdery mildew and treat accordingly if detected.
  • Mulch around the base to protect the plant’s roots during winter, particularly in colder regions.
  • Suitable for borders, containers, or mixed perennial beds. Regular maintenance, including deadheading, maintains plant vigor.
  • Pair with other sun-loving perennials or use as a focal point in garden beds. Combine with plants that complement its color scheme for an attractive garden display.
  • Division every few years helps rejuvenate the plant and prevent overcrowding, promoting healthier growth and prolonged blooming.
  • Penstemon ‘Sensation Mixed’ adds vibrant colors to garden beds and attracts pollinators like bees and hummingbirds, contributing to garden biodiversity.
  • The colorful blooms of Penstemon attract various pollinators, making it a valuable addition to pollinator-friendly gardens.
  • Once established, Penstemons exhibit good tolerance to dry conditions. Reduce watering frequency but ensure adequate moisture during hot, dry spells.
  • Penstemons prefer slightly acidic to neutral soil pH (around 6.0 to 7.0). Test soil pH and amend if necessary to provide optimal growing conditions.
  • These plants thrive in moderate temperatures. They can tolerate some heat but might appreciate partial shade in hotter regions.
  • In colder climates, consider providing a layer of mulch to protect roots from freezing temperatures.
  • Regular, deep watering during prolonged dry spells ensures healthy growth. Mulching helps retain soil moisture and reduces the frequency of watering.
  • Consider applying a slow-release balanced fertilizer in spring to support vigorous growth and flowering. Avoid excessive fertilization, which can lead to leggy growth.
  • Consistent deadheading promotes continuous blooming. Remove spent flowers to encourage new buds and extend the flowering season.
  • Prune back the plant in late autumn after the first frost to remove dead or damaged growth and encourage healthy regrowth in the following season.
  • Penstemons can thrive in containers. Ensure the pot has proper drainage and use a well-draining potting mix tailored for perennials.
  • Good air circulation helps prevent fungal diseases. Avoid overcrowding and space plants adequately to enhance airflow.
  • Pair Penstemon ‘Sensation Mixed’ with plants that complement its color and growth habits. Consider combining with ornamental grasses or compact shrubs for a balanced look.
  • Division every few years rejuvenates the plant and prevents overcrowding, promoting healthier growth and better flowering.
  • Penstemons attract beneficial insects such as bees and butterflies, making them a valuable addition to gardens supporting pollinators.
  • Pruning after flowering helps maintain a tidy shape and encourages new growth. Trim back any leggy or straggly growth to encourage bushier, compact plants.


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