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| 'Knockout' has deep blue-green heart shaped leaves which display a wide cream edge. Leaves have heavy substance and can tolerate 50 percent sun. Aden registered the hosta in 1986, apparently incorrectly as having a white center. The correct plant is the one with the white margin. Zilis says that it may have worse marginal tearing than 'Brim Cup', to which he compares it. The lavender flowers are funnel-shaped and fertile. |
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