Coreopsis plant named ‘Sweet Tart’

Abstract

A new cultivar of hybrid Coreopsis plant named ‘Sweet Tart’ that is characterized by its sturdy, well-branched plant habit reaching an average of 40 cm in height and 70 cm in width, its floriferous and long blooming season of nearly sterile inflorescences that do not require deadheading; bloom commences in early July and lasts until frost in Kensington, Conn., its medium sized inflorescences with ray florets that are vibrant raspberry rose in color with a small area of yellow at the base (insignificant eye zone), its resistance to powdery mildew (Podosphaera macularis) and leafspot (Pseudomonas cichorii) and its cold hardiness at least to U.S.D.A. Zone 5a.

It is claimed: 
     
       1. A new and distinct cultivar of  Coreopsis  plant named ‘Sweet Tart’ as herein illustrated and described.