Bright golden fern leaf foliage with yellow button daisies. This will spread out nicely if kept weeded. Repels insects.

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Self sows and also spreads underground by rhizomes.

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The highly aromatic lacy or fernlike, 2- to 6-inch-long chartreuse leaves grow along main stems that can reach 4 feet tall, but usually top out around 2 to 3 feet. The plant grows in a gradually expanding clump, so you can control its width. Petalless, buttonlike flowers that are 3/8 to 1/2 inch in diameter cover the plant in late summer into fall with large, flat-topped clusters.

'Isla Gold' is hardy to -30 oF, or USDA Zone 4. It will grow well throughout the dry West, even in zones 9 and 10, but does languish in the heat and humidity of southern zones 8 through 10. Grow in full sun in ordinary to dry soil. Cut back in July to refresh leaves if you don't care about the flowers. Use a spade to cut through and divide the clump in either spring or fall to both propagate it (or share with friends), or to restrain its spread.

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