Garden flowers

Penstemon: all maintenance tips


The penstemon is a very beautiful perennial that blooms in summer and whose flowering, very ornamental, brightens gardens and terraces.

In summary, what you need to know:

Last name : Penstemon
Family : Scofulariaceae
Type : Perennial

Height
: 0.3 to 120 cm depending on the variety
Exposure : Sunny and partial shade
Ground : Rather rich and well drained

Flowering : May to October

  • Read also : Penstemon, flowers all summer long

Planting penstemon

Purchased in a bucket, you will prefer planting in the spring by respecting a spacing of 30 cm between each plant and by mixing the garden soil with "flowering plants" soil.

  • Plant at least ten feet nearby to have a nice effect
  • Water regularly after planting

Penstemon in a pot:

Penstemon is very suitable for growing in pots for balconies and terraces.

  • Plant in a potting soil for flowering plants.
  • Water regularly at the beginning and then as soon as the substrate is dry on the surface.

Penstemon seedlings:

The sowing of penstemons is not easy to achieve and success is not always achieved.

  • Sow under shelter and in a nursery at the end of winter in a special sowing soil.
  • Place the seedling in the light and at the right temperature, around 18-20 °.
  • Water in fine rain to keep the substratum slightly humid.
  • Transplant into a pot after emergence when the plants have formed a few leaves.
  • Put in the ground the following spring.

Penstemon cutting

Penstemon cuttings are done in the summer and usually have fairly good results.

  • Take cuttings from stems not bearing flowers.
  • Optionally soak the cutting in cutting hormone.
  • Plant the cutting in a special cutting soil.
  • Keep the substrate slightly moist and reduce watering in winter.
  • Protect the cuttings from frost in winter but in the light.
  • Put in the ground the following spring.

Penstemon maintenance

Maintaining the penstemon is very easy when properly installed. Besides a few waterings, you won't have to worry about it or much.

In winter, there is no need to cut the foliage that protects the penstemon from frost. The ideal is to cover it with a thick mulch of dead leaves to protect it from the cold.

Pensetmon is resistant to negative temperatures ranging from -5 ° to -15 ° depending on the variety.

  • Remove wilted flowers from penstemons without cutting entire stems to encourage new blooms.
  • In case of strong heat or prolonged drought, do not hesitate to water the foot penstemon in the evening.
  • Mulching at the base often helps keep the soil cool and avoids a lot of watering.

To know about the penstemon

Native to America, the penstemon is a very beautiful perennial with large flower stems adorned with pretty bell-shaped flowers. Often compared to digital, it even happens that confuses them.

Also called galane, there are over 250 varieties of penstemons with so many different colors, shapes and heights.

The colors that predominate the most are red, purple and yellow, and it is the penstemons barbatus, heterophyllus that is found the most. There are many hybrids out there now.

She is easy to grow, requires little maintenance and the effect is guaranteed, as her flowering is spectacular.

Smart tip about penstemon

You can also cut a few flowering stems of penstemons and put them in a vase, as they are perfect for this.


© Michael Meijer

  • Also read: Multiply your penstemons by division of the tuft

Video: Beardtongue Penstemon digitalis (October 2020).