Fan Blue Cardinal Flower features showy spikes of blue tubular flowers with violet overtones rising above the foliage from early to mid summer, which emerge from distinctive deep purple flower buds. The flowers are excellent for cutting. Fan Blue Cardinal Flower will grow to be about 24 inches tall at maturity, with a spread of 18 inches. It grows at a fast rate, and under ideal conditions can be expected to live for approximately 5 years. This perennial does best in full sun to partial shade. It prefers to grow in average to moist conditions, and shouldn’t be allowed to dry out. It is not particular as to soil pH, but grows best in rich soils. It is somewhat tolerant of urban pollution. This particular variety is an interspecific hybrid, and parts of it are known to be toxic to humans and animals, although it seems to be quite loved by insects and hummingbirds, so care should be exercised in planting it around children and pets.
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