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The Good Plant Company

Large-flowered Tickseed

Large-flowered Tickseed

Coreopsis grandiflora

Mature Size: 1-3' H x 1-3' W

Regular price $10.00 USD
Regular price Sale price $10.00 USD
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Coreopsis grandiflora (Zones 4–9) provides a prolific display of serrated, deep yellow blooms from late spring through mid-summer. Unlike common dwarf cultivars, this species offers a more robust profile while maintaining a neat basal rosette of foliage that stays low to the ground. This habit makes it an ideal choice for the front of a managed border or as a repeating soft edge along a walkway.

In the Southeast, this species is a documented resource for specialist mining bees and the Silvery Checkerspot butterfly. Due to this high ecological value, the National Wildlife Federation designates it a "Top 30 Native Host Plant for pollen specialists".

Performance & Site Care

This species is a reliable choice for the lean or clay soils provided they are well drained. It is highly drought-tolerant once established and performs best in full sun. To maintain a refined appearance and extend the flowering season into July, remove spent blooms regularly. A hedge trimmer works well for de-heading. Every two to three years, dividing the clumps in early spring will maintain plant vigor and prevent the center of the rosette from thinning.

Photo: "Plant" by Carl Lewis is licensed under CC BY 2.0.

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Site Function

Clay Specialist
Thrives in heavy, dense clay soils without succumbing to root rot or summer soil contraction.
Drought Resistant
Handles extended dry periods without supplemental watering once established.
Erosion Control
Dense, fibrous root networks that bind topsoil on slopes and banks to prevent wash.
Living Border
Low, tidy, clumping plants that define garden edges and suppress encroaching weeds.

Eco-Role

Pollinator Magnet
Highly attractive floral presentation that draws an exceptionally wide array of native bees and butterflies.
High-Volume Nectar
Produces heavy nectar yields to fuel high-traffic adult pollinators throughout its bloom cycle.
Bird Food & Cover
Delivers energy-dense seeds or berries alongside structural shelter for nesting and winter protection.
Specialist Host
Serves as a critical larval host for specific, highly specialized butterfly, moth, or insect species.