Pink-Edged Sea Holly

By Charlie Nardozzi

Sea holly (Eryngium spp.) is a sun-loving, easy-to-grow perennial that's hardy in USDA zones 5 to 8. It features 3-foot-tall flower stalks topped with spiny, silvery blue flower heads. The flowers are favorites of butterflies and they hold their color indoors for months.

Until now this perennial was only noteworthy during its midsummer flowering phase, but the variety 'Jade Frost' extends the show. The new foliage of 'Jade Frost' unfurls in spring to reveal green leaves with rosy pink margins and veins. In summer the pink turns to cream and finally to white, and the green and white variegation remains throughout the season.

'Jade Frost' grows best in well-drained soil and is drought tolerant. For more information on this unique sea holly, go to: Wayside Gardens.

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