Answer: Your Perovskia is a Russian Sage. The plant likes full sunshine and well-draining soil. It's a perennial that will grow 36 - 60 inches high, with fragrant gray-green leaves and light blue flowers. You can cut the plant down to about 12 inches after the first hard frost of the season. Perhaps you've planted your roots too deeply. Dig one up to see if there are any sprouts or new root growth. Most plants grow according to their own time table, so if you've planted at the right depth, supplied water when the soil began to dry out, and the temperatures are warm enough, the roots should sprout and grow.
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