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Salvia X superba Family - Lamiaceae - Sage The Salvia family is a fairly large tribe of flowers extensively used in the flower garden. Most are annuals, half hardy perennials or biennials. Salvia X superba is an exception, reliably hardy in USDA Zones 4 - 8. The upper portion of the range it tends to do better in, as it blooms and grows best in cooler weather. In my USDA Zone 6 garden here in southeastern Indiana, the variety Blue Queen has been a good performer and reliably hardy. The variety Blue Queen, which is what is in my garden, will grow to twelve inches tall and has deep blue flower spikes. It prefers full sun, but will tolerate some shade. Like all salvias, it is not too particular about soil as long is it is well drained. Salvia X superba "Blue Queen" blooms in late May through mid June here in southern Indiana, and will bloom again lightly later in the season. Since the flowers produce no pollen, there will be no seeds, hence no possibility this perennial will reseed itself. If you want more plants you will have to take cuttings or divide. Salvia responds well to both these methods of reproduction. Salvia X superba is fairly tolerant of drought conditions after it is established and the only pest listed in the various garden books that can infest it is white flies. I have never seen these pests on my plants, but have seen occasional infestation of aphids which seem to not harm them in the least. Blue Queen, being somewhat of a dwarf variety, is a good choice for the perennial flower garden. |
