Penstemon x hartwegii 'Sour Grapes'
Penstemon x hartwegii 'Sour Grapes'
Beard Tongue
Tubular purple flowers fade to shades of white, mauve, lavender and purple. An excellent border perennial with a long blooming season. (Perennial)
Bloom time Size Exposure
Summer 2' tall x 2' wide Sun Part Shade 
Hardiness Zone:6
zone map Cold Hardy to -10° to 0°F
Attracts Butterflies Attracts ButterfliesAttracts Hummingbirds Attracts Hummingbirds
Good for Cut Flowers Good for Cut Flowers