Three-year old plant. I may have been pruning it too hard in earlier years to encourage it to grow some stronger shoots. This year, I didn't touch it at all, and got an admittedly very small, but rather dense mountain of flowers. Our garden in Hamburg, Germany (Z8a), 2016-06-04.
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Three-year old plant. I may have been pruning it too hard in earlier years to encourage it to grow some stronger shoots. This year, I didn't touch it at all, and got an admittedly very small, but rather dense mountain of flowers. Our garden in Hamburg, Germany (Z8a), 2016-06-04.