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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