Clematis ‘Blue Explosion’

(Blue Explosion Clematis)


Hardiness Zones:

 4a  4b  5a  5b  6a  6b  7a  7b  8a  8b

Quick Overview:

Recently introduced by master Polish hybridizer Szczepan Marczynski, we are impressed with the bloom power of this new Clematis. It is a re-bloomer that flowers first on old wood in May-June and then again on new wood from July to mid-September. The first round of flowers are 5”, semi double, blue flowers with a hint of pink at the tips of the petals. The second round of flowers are single.

Group 2 pruning:  Flowers on both old and new wood. Typically, little pruning should be done for woody-stemmed members of this Group. If cut to the ground or pruned in fall or spring, flowering will be reduced or delayed but not prevented.


Grow in fertile, medium moisture, well-drained soils in full sun to part shade. Vining hybrids are best sited in locations where the flowering parts of the vine are in sun to part shade but the roots are shaded. Some light afternoon shade is usually beneficial in hot and humid summer climates such as the St. Louis area. Clematis vines need a trellis or other support on which to grow. Roots should be kept cool, shaded and uniformly moist. Root areas may be shaded with perennials, annuals or small shrubs. A thick root mulch is appreciated. Do not allow soils to dry out.

Additional information

Common Name

Blue Explosion Clematis

Botanical Name

Clematis 'Blue Explosion'


1 gallon

Evergreen or Deciduous


Hardiness Zone

4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b

Growth Rate


Light Requirements

Part-shade, Part-sun, Sun



Soil Condition


Water Needs


Blooming Period

late spring to early fall

Flower Color

Violet blue



Foliage Color


Deer Resistant



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