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The hero of any hot, dry garden, lavender cotton is grown mainly for its wonderful aromatic green or silver foliage with its little yellow flowers almost an afterthought. It's also widely used in knot gardens for a contrasting foliage. That's because these low shrubby perennials accept regular shearing with aplomb and have been used as low hedge plants for centuries. The distinctive foliage blends well in beds and borders, and in herb gardens. Scarcely decorative, the yellow blob-like flowerheads can be removed to retain the neatness of the plants. They are best in warm regions where humidity is low. High humidity causes lavender cotton to "melt down."
1 to 3 feet
1.5-3 feet wide, depending on variety