Penstemon Catherine De La Mare


(Penstemon heterophyllus ‘Catherine de la Mare’)


The almost iridescent purplish-blue flowers are very striking and complement the blue-grey leaves. An R.H.S. Award of Garden Merit plant.


Striking blue purple flowers in summer and early autumn.


Full sun to light shade and free draining soil are preferred. Grow Catherine de la Mare with other perennials or small shrubs such as Convolvulus and Parahebe inĀ general garden beds. It also makes an attractive pot specimen.


Although tolerant of dry conditions water occasionally in summer. Dead heading will prolong the flowers.


Regular applications of Seasol and Power Feed will keep it looking its best.


  • Red can = Little water in hot, dry weather.
  • Green can = Deep watering every few weeks in hot, dry weather.
  • Blue can = Deep watering weekly in hot, dry weather.

Codes are a guide only and watering requirements will be affected by soil type, competition, mulching, wind and many other factors. Try to group plants with the same code in the one bed.

CAUTION: May be harmful if eaten.

Herb Attributes

Plants Needed per Square Metre 4-5
Habit A semi shrubby, evergreen pcrenniaJ that forms an open, low growing bush.
Position Part to Full Sun, Moderate Frost.
Height 60CM
Width 60CM