Sea Holly: Our Favorite Flowers

Add an exotic look to your garden with these extraterrestrial looking flowers.

Sea holly features blue green stems with masses of small metallic blue flower heads. It's a delight to butterflies and flower arrangers alike.

Photo by: Shutterstock/everigenia

Shutterstock/everigenia

Sea holly (Eryngium x tripartitum) can grow to a height of 32 inches and spread 20 inches. This perennial prefers full sun and well-drained soil. Its cone-like purple bloom heads appear in mid to late summer and attract butterflies. Consider for your rock garden or as a specimen plant.

Next Up

Planting and Growing Garden Phlox

Learn how to plant, grow and care for this perennial charmer in your garden.

Salvia greggii

Meet a low-maintenance sage that craves heat and beckons butterflies.

Parrot’s Beak: Our Favorite Flowers

These lobster claw shaped blooms are sure to attract attention in your garden.

Our Favorite Flowers: Allium

Spacey, globe-shaped flowers make this flower pop.

Pincushion Flower: Our Favorite Flowers

These beauties hold their color all season long with regular pruning.

Masterwort: Our Favorite Flowers

Scent up your garden with these fragrant flowers.

Festive ‘Fireworks’ Goldenrod

This perennial explodes in a fury of autumn color.

Heliotrope: Our Favorite Flowers

This perennial offers a double-whammy of pretty flowers and a heady, vanilla scent.

Gayfeather: Our Favorite Flowers

Charm your garden with these beautiful specimens.

Ligularia (Leopard Plant): Our Favorite Flowers

Take off with these rocket-shaped flowers.

Go Shopping

Spruce up your outdoor space with products handpicked by HGTV editors.

Follow Us Everywhere

Join the party! Don't miss HGTV in your favorite social media feeds.