variable-leaved sea holly (Eryngium variifolium) plant — close-up photo
Moderate to grow

variable-leaved sea holly

Eryngium variifolium

Overview

Variable-leaved sea holly (Eryngium variifolium) is an amazing plant species that is both beautiful and resilient. The distinctive, angular leaves can grow up to six inches long and feature interesting, mottled color variations. When mature, the plant produces delicate, straw-colored flowers during the summer months, and its sturdy roots can thrive in dry, rocky terrain, making it perfect for those looking to xeriscape their gardens. This hardy perennial, native to southern Europe, can be easily grown from seed or cuttings, making it an excellent addition to any garden.

Care Guide

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Watering

Variable-leaved sea holly requires moderate amounts of water and prefers moist but not overly wet soil. It should be watered deeply every week during its active growing season, typically from spring to summer. In winter, when the plant is dormant, reduce watering to once a month or as needed. If possible, try to use mulch to help retain moisture levels in the soil. After watering, make sure the excess water drains away from the plant to avoid root rot.

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Light

Variable-leaved Sea Holly (Eryngium variifolium) should be exposed to full sunlight each day in order to thrive and produce its best flowers. Ideally, it should receive at least 6-8 hours of direct, unfiltered sunlight in order to promote the most prolific blooming. In addition, periods of midday shade may beneficial during the hottest, driest days of summer.

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Soil

Rocky , gravelly , dry

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Temperature

Hardiness zone 5-9.

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Pruning

Variable-leaved sea holly (Eryngium variifolium) should be pruned between late Winter and early Spring, when the plant is still dormant. Pruning should involve removing any ugly, dead, damaged, or diseased growth, as well as any weak branches. If the plant has become too overgrown, it can also be selectively pruned to keep it in the desired shape. When it comes to cutting back, prune sparingly and make sure not to cut more than a third of the stems. This will help keep the plant healthy and strong.

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Propagation

Seed Propagation

Diseases & Pests

Common pests: Pest resistant, Disease resistant, Rabbit resistant, Drought resistant.

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