Eryngium Silver Wave

Eryngium is a totally unique perennial that is highly sought after for landscapes in drought-prone areas. Our new offering, Silver Wave, not only tolerates dry conditions, it adds a touch of elegant silver color to full sun sites in the garden. Pale gray-green blooms mature to a steel-gray hue and form charming, 3-4" rosettes as they grow. We like to place groups of these striking plants in mixed borders where they can be enjoyed during the growing season as well as afterward when they create winter interest. Many home gardeners also prize Silver Wave in fresh and dried floral arrangements.

Hardiness Zones 4-10
Mature Height 16 inches
Bloom Time All summer.
Light Requirements Full Sun
Ship AsPREMIUM Bare Root
Deer Resistant
Cut Flower
Attracts Pollinators

We ship this item in Spring

Botanical Name: Eryngium 'Silver Wave'

Availability: Out Of Season

SKU: #63619

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Product Details

Restricted States US:
AE AK GU HI PR VI
Botanical Name:
Eryngium 'Silver Wave'
Ship As:
Bare Root
Size:
PREMIUM
Suggested Uses:
Borders, Bouquets, Cut Flowers, Dried Flowers, Perennializing, Showy Flowers, Winter Interest, Deer Resistant, Attract Pollinator, Drought Tolerant

Flower Color:
White
Flower Form:
Teasel-like grey-green flowers, which turn to steely-grey as they mature, are surrounded by a ruff of silvery bracts3 to 4" in diameter.
Foliage Type:
Leaves have edges with spiny teeth.
Mature Spread:
18 - 20 inches
Spacing:
18 - 20 inches

Growing Tips

Planting Instructions:
Dig a hole large enough to accommodate the roots without bending them. Plant just below soil, 18-20 inches apart. Plant firmly and water in thoroughly.
Soil Moisture:
Well drained, open soil
Will Tolerate:
Acidic Soil, Clay Soil, Loamy Soil, Sandy Soil
Pruning Instructions:
None. Flower heads remain attractive well into the fall/winter

Winter Care:
Protect from excessive winter moisture (standing water).
Planting Depth:
Plant with the eyes just below the soil.
Watering Requirements:
Average to low water needs
Fertilization Requirements:
Once a year in late spring

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Shipping Information

K. van Bourgondien times its shipments from Holland so that bulbs and bareroots arrive at the proper planting time (depending on climatic conditions) for each area of North America.

We take advanced orders, and as the crops are harvested, our staff of K. van Bourgondien experts makes an on-the-spot selection of the finest bulbs available to fill those reservations.

We will pack and ship your order based on the following schedules. The type of product you order or the weather may affect the anticipated shipping schedule. Please note that we cannot ship outside of the 48 contiguous states. What zone am I in?

Spring 2025 Shipping Schedule

Bulbs and Bareroot
Zones	Shipping Dates	Last Order Date
3A-5A	4/28/25 - 5/30/25	5/26/25
5B	4/7/25 - 5/30/25	5/26/25
6A	3/24/25 -5/30/25	5/26/25
6B	3/10/25 - 5/30/25	5/26/25
7A	2/24/25 - 5/30/25	5/26/25
7B-8A	2/17/25 - 5/9/25	5/5/25
8B-9A	2/10/25 - 5/9/25	5/5/25
9B-11B	2/3/25 - 5/9/25	5/5/25

Shipping Notes:

In all cases, we choose the fastest, most efficient way to send your orders via USPS or FedEx.

Orders for gift certificates will be shipped immediately.

Due to hot weather conditions, we are unable to ship any plant items from late June through August. General merchandise will be shipped with your plant order.

Upon placing your order, you will receive an email confirmation with the details of your order and a shipping estimate. You will also receive an email notification when your order actually ships with an updated arrival estimate. If you have ordered multiple items, you may receive them in more than one shipment. We will send you a separate email confirming each shipment. Large orders may be shipped in more than one package. Your order confirmation will have an estimated shipping time.

You may check your order status at any time on this website using your email or account number provided on your order confirmation.

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