Facebook LinkedIn Email Pinterest Twitter Instagram YouTube Icon Navigation Search Icon Main Search Icon Video Play Icon Audio Play Icon Headphones Icon Plus Icon Minus Icon Check Icon Print Icon Note Icon Heart Icon Filled Heart Icon Single Arrow Icon Double Arrow Icon Hamburger Icon TV Icon Close Icon Sorted Hamburger/Search Icon

The Plant Guide

Browse the Full Plant Guide


Coreopsis grandiflora 'Sunray'

kor-ee-OP-sis gran-dih-FLOOR-ah Audio

‘Sunray’ coreopsis has double to semi-double yellow flowers that begin blooming in late spring and continue throughout the summer. The species is native to the central and southeastern U.S. Flowers are good for cutting. Use in beds and borders or in containers.

Noteworthy CharacteristicsDouble, deep yellow flowers the whole summer. Usually grown as an annual.

CareGrow in full sun or partial shade and fertile, well-drained soil. Deadhead regularly, although birds are attracted to the seedheads.

PropagationStart seeds at 55° to 61° F in winter.

ProblemsSlugs, snails, rust, bacterial spot, Botrytis flower blight, aster yellows, powdery and downy mildews, fungal spots.

  • Genus : Coreopsis
  • Plant Height : 1 to 3 feet
  • Plant Width : 1 to 3 feet
  • Zones : 4, 5, 6, 7, 8, 9
  • Bloom Time : Early Summer, Late Spring, Late Summer, Spring, Summer
  • Light : Full Sun to Partial Shade
  • Moisture : Medium Moisture
  • Growth Rate : Moderate
  • Maintenance : Moderate
  • Plant Type : Perennials
  • Plant Seasonal Interest : Spring Interest
  • Flower Color : Yellow

Related Plants

Related Articles

More From the Plant Guide

Winter Interest

Partial Shade

Browse the Full Plant Guide

We hope you’ve enjoyed your free articles. To keep reading, become a member today.

Get complete site access to decades of expert advice, regional content, and more, plus the print magazine.

Start your FREE trial