Bengal Clock Vine

  Botanical name :   Thunbergia grandiflora

  Common name :    Bengal Clock Vine, Bengal Trumpet Vine, Blue Sky Flower, Blue Sky Vine, Blue Trumpet Vine 

  Family :        Acanthaceae 

  Genus :        Thunbergia 

  Species :      Grandiflora 

  Category :   Tropicals and Tender Perennials

                     Vines and Climbers

  Height :       15-20 ft. (4.7-6 m)

  Spacing :     15-18 in. (38-45 cm)

  Sun Exposure :    Sun to Partial Shade

  Bloom Color :   Light Blue

                         Violet/Lavender

                         White/Near White

  Bloom Time :   Mid Summer / Late Summer / Early Fall

  Foliage :       Evergreen

                     Blue-Green

                     Smooth-Textured

  Other details :   Requires consistently moist soil; do not let dry out between waterings

  Soil pH requirements :   6.1 to 6.5 (mildly acidic)

                                       6.6 to 7.5 (neutral)

                                       7.6 to 7.8 (mildly alkaline)

  Propagation Methods :   By dividing the rootball

                                        From leaf cuttings

                                        From herbaceous stem cuttings

  Seed Collecting :   Allow seedheads to dry on plants; remove and collect seeds

                              Properly cleaned, seed can be successfully stored