LARGE-FLOWERED PENSTEMON:

The showiest of all the Penstemon, or Beardtongues, we grow – this species comes from the American Mid-West and prefers full sun with well-drained rich soils.  Growing to  90 cm tall, the pale lilac flowers appear on tall spikes starting in mid June and continue on till August.  Seeds need a 3-4 week moist stratification period to break dormancy or can be seeded direct in late fall.  Cover the seeds with .5 cm of soil.  60 seeds.    P612