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The Plant Guide

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coreopsis

Coreopsis grandiflora 'Sunray'

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‘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
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