Bountiful Gardens

The Prairie Skyscraper: Soaring Color with Coreopsis tripteris

The Snapshot

• Common Name: Tall Tickseed, Giant Coreopsis

• Scientific Name: Coreopsis tripteris

• Origin: Native to Central and Eastern North America

• Hardiness: Zones 4 – 9

• The "Vibe": Grand, structural, and airy; the "living fence" of the late-summer garden.

Why We Love It

Coreopsis tripteris is a dramatic departure from its shorter cousins. Reaching heights of up to 8 feet, it features smooth, sturdy stems and unique, three-parted leaves (hence the name tripteris). In August and September, the top of the plant erupts in hundreds of 2-inch, buttery-yellow flowers with dark chocolate centers. Despite its height, it has a remarkably "see-through" quality, allowing it to add massive scale without feeling heavy or oppressive.

Ecosystem & Wildlife Impact

• Pollinator Super-Highway: Because it blooms later than many other summer perennials, it is a critical resource for late-season bees and butterflies.

• Bird Haven: The seeds are a high-energy favorite for Goldfinches and Indigo Buntings.

• Host Plant: It serves as a larval host for several species of moths, including the Silvery Checkerspot butterfly.

• Winter Structure: The sturdy stalks remain standing through the snow, providing essential winter cover for beneficial insects.

Designer Tips: Where to Plant

• The "Living Screen": Use it as a seasonal privacy screen along property lines or to hide an unsightly AC unit or shed.

• The Back-of-Border Anchor: Place it at the very back of a large perennial bed to provide a vertical backdrop for Joe Pye Weed or Ironweed.

• Meadow Architecture: In large meadow plantings, it provides the "high notes" that catch the wind and create movement.

Designer Pro-Tip: If 8 feet feels a bit too tall for your space, give it the "Chelsea Chop" in early June. Cutting the stems back by half will result in a shorter (roughly 4-5 foot), bushier plant with even more flower heads. This also makes the stems even sturdier, reducing the need for any staking.

Stories from the Garden

"I planted a row of Tall Tickseed along my back fence to hide my neighbor's compost pile. By the second year, it was seven feet tall and covered in yellow flowers. It’s like a wall of sunshine that the birds absolutely love in the fall."

— Brendan W., Zone 5 Gardener

A Growing Story: The Hidden Birdhouse

One customer shared that they left their Coreopsis tripteris stalks standing all winter. In February, they watched a pair of Chickadees foraging in the seed heads every morning. They realized that by planting this "skyscraper," they hadn't just added a flower—they had added a multi-story habitat that supported life long after the summer sun faded.