Kraft seed packet illustrated with Steel Blue Sea Holly, with fresh Steel Blue Sea Holly beside it
Steel Blue Sea Holly Seeds growing in a home garden
Steel Blue Sea Holly Seeds harvest up close
flowers

Steel Blue Sea Holly Seeds

Steel Blue Sea Holly Seeds

Eryngium planum

$2.69 USD
$2.69 USD
Sale Sold out
Shipping calculated at checkout.
  • Steel-Blue Form — Blue flowers add sharp structure.
  • Summer Bloom — The plants flower through summer.
  • Tough-Site Fit — Handles heat and drought.
  • Light Needs — Grow in full sun.
Free shipping on orders over $50 USD
Ships in 3–5 business days
30-day returns on tools & grow helpers

Ships in 3–5 business days

  • Free shipping over $50
  • 30-day returns on tools
  • Arrived damaged? Free replacement
Secure checkout with
  • American Express
  • Apple Pay
  • BLIK
  • Diners Club
  • Discover
  • Google Pay
  • JCB
  • Maestro
  • Mastercard
  • Multibanco
  • MB WAY
  • MobilePay
  • PayPal
  • Satispay
  • Shop Pay
  • Union Pay
  • Visa
Details

Sea holly adds sharp blue structure to a sunny border and holds its shape well in a vase. It handles heat, drought, and poor soil once established.

  • Blooms through summer
  • Tolerates heat, drought, and salty soil
  • Suitable for fresh or dried arrangements
Shipping

Ships in 3–5 business days. Estimated delivery is 7–10 business days after shipping.

Free shipping on orders over $50 USD.

Read our shipping policy
Returns

Tools and grow helpers can be returned within 30 days if unused.

Seed packets are not returnable. For seed problems, email support@homeygarden.com and we'll help.

Read our return policy
Seed storage

Keep seeds in a cool, dry place in their original packet or a sealed container. Check the packet for any variety-specific storage notes.

Good for:Cut flowersDryingRaised bedsPollinators

Questions? Email support@homeygarden.com.

HomeyGarden · Denver, Colorado

View full details

FROM THE SEED PACKET

How to grow

SunFull sun
Sow depthSurface sow
Spacing18–24 in
USDA zones5–9

1 Sow

Surface sow in full sun.

2 Grow

Leave 18–24 inches between plants.

3 Harvest

Use the stems fresh or dry them for arrangements.

Good shape, even after drying.

Gloved hands holding a packet of pea seeds

Why we grow it

Sea holly brings a crisp blue outline to the border. Cut stems for a vase, or dry them when you want that shape to stay around indoors.

Once established, it handles heat, drought, poor soil, and salty soil. Give it full sun and a place where the branching form can be seen.

Good to know

A few practical answers before you plant.

Have more questions? Visit Help or contact us.

Can I dry sea holly stems?

Yes. Use the stems fresh or dry them for an arrangement.

What conditions can established plants handle?

Once established, sea holly tolerates heat, drought, poor soil, and salty soil.

Pairs well with