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| Hardiness zone | 3 | | Maximum height | 90 cm / 36" | | Maximum width | 60 cm / 24" | | Exposure | Sun | | Plants attracting birds | No | | Fragrant plants | No | | Notes : Globular steel blue 4 cm(1 1/2") thistle like flowers above spiny foliage. A different plant for an effect. Good for cutting and drying. June-Sept. |
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