This dwarf coreopsis has a single row of yellow fluted flowers. Deadhead the flowers and it will rebloom all season.

Scientific Name: Coreopsis 'Jethro Tull' (PP18,789)
Zone: 4
Light: Sun
Height: 18"
Width: 12-24"
New Shape: Mounded
Foliage: Green
Flower: Yellow
Bloom Time: May-Aug