Botanical Name: Penstemon gloxinioides
Common Name: Border penstemon
Type of Plant: dicot: perennial
 
Habit of Growth:
Overall Shape upright, compact, dense plants resembling snapdragons or stocks; large tubular flowers held high above foliage
Height 2'-4'
Spread 2'-4'
Growth Rate moderate
 
Environment:
Exposure outdoors full sun
Soil prefers fast-draining soils
Hardiness hardy – all zones
 
Morphology:
Leaves narrowly lanceolate to elliptical, 3"-4" long, 1/2" wide whorled on stem; some varieties are glaucus on both surfaces
Flowers tubular, resembling large snapdragon flowers, held in terminal spikes; usually spotted with red or white coloration
Fruit capsule with many seeds
 
Propagation:
seed, stem cuttings; many varieties are hybrids
 
Usage:
good in mass plantings, in beds, borders and containers for summer blooms; used for bright, strong colors - pink, red, rose, peach and salmon
 
Landscape Care:
Watering tolerates drought when established; prefers more regular watering for best blooms and appearance
Fertilizing generally none required
Pruning head back after bloom to stimulate second bloom in summer
Pests/Diseases root rot in heavy soils
Special Conditions/Other
 
Origin: hybrid from P. cobea and P. hartwegii
Family: Scrophulariaceae

Notes:
 
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