perennialN. America Native

Variegated Sea Holly

Eryngium variifolium

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Essentials

At a Glance

Plant Type

Perennial

Height

18 inches

Width

12 inches

Light

Full Sun

Zones

5, 6, 7, 8, 9

Water

Low

Humidity

Low

Lifespan

Perennial

Native To

Morocco

Toxicity

Non-toxic to humans and pets

The Story

Plant Bio

Eryngium variifolium, also known as the variable-leaf sea holly, is characterized by its distinctively spiky blue flowers and unique foliage. This species is noted for its variable leaf shapes and robust stature, making it an eye-catching addition to garden landscapes.

Bloom Period:

EarlyLate

Uses & Benefits:

Adds striking architectural texture with its spiky, metallic foliage and flowers, perfect for borders and drought-tolerant gardens.

Requires minimal water and maintenance, making it ideal for sustainable landscaping.

Provides nectar for pollinators like bees and butterflies, supporting local biodiversity.

Marketplace

Where to Buy

We couldn't find this plant listed online right now.

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Planting

How to Grow

Tuck seeds into well-draining soil in early spring for best germination.
Mist cuttings regularly to maintain humidity during rooting.
Plant in full sun to promote healthy growth and vibrant color.
Water sparingly after establishment to prevent root rot.
Fertilize lightly with a balanced, organic fertilizer during spring.
Divide mature plants in early spring or fall to encourage bushier growth.

Pro Tip

Ensure excellent drainage to prevent root rot, especially in humid climates.

Keep It Thriving

Care Guide

Do

Water deeply during dry spells 🌱
Apply organic compost annually for healthy soil
Prune dead or damaged stems in late winter

Don't

Avoid overwatering to prevent fungal diseases ❌
Do not fertilize with high-nitrogen fertilizers that promote soft growth
Refrain from disturbing roots during flowering period

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Harvest
Propagate
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Silver-foliaged border for a striking visual effectArchitectural drought-tolerant accent plantWildlife-friendly nectar source for pollinators

Companion Plants

Lavender Echinacea Sedum Salvia Russian Sage

Multiply

Propagation Methods

Good to Know

Common Questions

Variegated Sea Holly questions

What zones can Variegated Sea Holly grow in?

Variegated Sea Holly is hardy in USDA Zones 5–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Variegated Sea Holly deer resistant?

Yes — Variegated Sea Holly is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Variegated Sea Holly bloom?

Variegated Sea Holly typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Variegated Sea Holly need full sun?

Variegated Sea Holly does best in full sun (6+ hours).

Is Variegated Sea Holly drought tolerant?

Yes — once established (usually after the first full season), Variegated Sea Holly handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.