Campanula punctata x trachelium 'Sarastro'
Campanula punctata x trachelium 'Sarastro'
Bellflower
Large and striking 3" violet-blue bellflowers on stalks up to 18" tall; blooms repeatedly throughout summer if deadheaded, and does not spread all over! Due to its large flowers it may require staking, but well worth the effort! (Perennial)
Bloom time Size Exposure
Summer 15-18" tall x 18-24" wide Sun Part Shade 
Hardiness Zone:5,6,7,8,9
zone map Cold Hardy to -20° to -10°F
Attracts Bees Attracts BeesAttracts Beneficial Insects Attracts Beneficial Insects
Attracts Hummingbirds Attracts HummingbirdsDeer Resistant Deer Resistant
Good for Cut Flowers Good for Cut FlowersLong Blooming or Repeat Blooming Long Blooming or Repeat Blooming
May Naturalize May NaturalizeRockery or Alpine Plant Rockery or Alpine Plant
Showy Flowers Showy Flowers