Campanula ‘Birch Hybrid’

This little hybrid (Campanula portenschlagiana x poscharskyana) makes a fine trough, rock garden or pot specimen.  If your patient, it may reward you by tumbling over a rock wall.  When it first blooms in mid spring the purple flowers profusely cover the plant.

For the impatient gardener, one of its parents, either C. portenshlagiana or C. poscharskyana would probably be a bit more vigorous at cascading over a rock wall.

Campanula 'Birch Hybrid reblooming in early August

Campanula ‘Birch Hybrid re-blooming in early August

I’m not sure its news, but — like many herbaceous spring blooming perennials — shearing or deadheading the spent blooms after the initial spring flush often guarantees more blooms later in the summer (though usually not as dense and floriferous as the first round).

Here in Puget Sound near Seattle, this trough, containing Sedums, the Birch Hybrid and alpine Dianthus required daily or even twice daily watering during the hot, unusually rain-free month of July.

Alpine Trough Sedums, Campanula, Dianthus and Sempervivums

Alpine Trough newly planted with Sedums, Campanula, Dianthus and Sempervivums

Unlike the Dianthus or the Sedums — which don’t seem to rebloom —  the Campanula ‘Birch Hybrid started re-blooming about a week ago. My little specimen, from Mt Tahoma Nursery in Graham WA, probably was propagated by division, and at most is a two year old division.

This European alpine hybrid is credited to, and named for, the Birch Farm Nursery in England.  According to this video from Garden Splendor®, which apparently distributes plants to selected retail nurseries in the northeastern United States, Birch Hybrid makes a fine garden plant.  Check it out on You Tube:

http://www.youtube.com/watch?v=gPv9yi18-lA

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