Trelease's Larkspur is a handsome plant and will do well in cooler areas north of Missouri. It has deep blue or blue-purple flowers in May & June that will attract butterflies and attractive, deer resistant foliage (all parts of the plant are poisonous if ingested). Trelease's larkspur does best in full sun with dry soil and good drainage.Uses: Deer resistant, showy flowers, butterfliesBloom time: May & JuneHeight: 2 to 3 feetSpace: 18 to 24 inchesMoisture: Dry to averageLight: Full sun to light shade