Penstemon 'Schoenholzeri' AGM or Penstemon hartwegii 'Firebird' Pollinator plant

Penstemon 'Schoenholzeri' AGM is a clump-forming, semi-evergreen perennial. Crimson-red tubular flowers in summer over narrow,lance-shaped green leaves. Keep deadheading to prolong flowering. DO NOT CUT DOWN BEFORE WINTER-LEAVE OLD GROWTH ON TO PROTECT PLANT. Cut back hard in spring after the flowers have finished. Grows to approx. 60 cm x 60 cm when mature. Any fertile, moist but well-drained soil in sun/part-shade.