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The Plant Guide

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‘Zagreb’ Thread-leaved tickseed

Corepsis verticillata ‘Zagreb'

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‘Zagreb’ produces star-like blossoms in egg-yolk yellow in early summer on plants 12 inches tall and wide. The sturdy, upright stems and finely textured foliage add delicate texture to the garden.

Noteworthy CharacteristicsLooks good in drifts; site next to plants with contrasting foliage.

CareGenerally, grow coreopsis in well-drained soil in full sun or partial shade. Deadhead in midsummer to encourage rebloom and to prevent self-sowing. It is tolerant of a variety of soils. It thrives on poor soils and is tolerant of heat, humidity, and drought. 

PropagationSow seed indoors in mid- to late winter at 55° to 61° F; divide in early spring.

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

  • Genus : Coreopsis
  • Plant Height : 1 to 3 feet
  • Plant Width : 1 to 3 feet
  • Zones : 4, 5, 6, 7, 8, 9
  • Tolerance : Drought Tolerant
  • Moisture : Dry to Medium
  • Bloom Time : Early Summer, Summer
  • Light : Full Sun to Partial Shade
  • Uses : Ground Covers
  • Growth Rate : Moderate
  • Maintenance : Moderate
  • Plant Type : Perennials
  • Characteristics : Self Seeds
  • Plant Seasonal Interest : Spring Interest
  • Flower Color : Yellow

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