Overview

Coreopsis verticillata 'Grandiflora' ('Golden Showers') is a perennial in the genus Coreopsis, part of the Asteraceae family. It typically grows around 1.0 m tall. Coreopsis verticillata 'Grandiflora' ('Golden Showers') grows best in full sun, and tolerates sandy and loamy soils. Its UK hardiness is rated H7. Suggested uses include borders, containers and cut flowers. It is native to South Carolina, Florida, Mississippi, Alabama, Nebraska, North Carolina, New Jersey and New York.

About

A perennial in the Asteraceae, Coreopsis verticillata 'Grandiflora' ('Golden Showers') reaches about 1.0 m and bears yellow flowers in summer. It favours a sunny position on sandy or loamy, well-drained soil. Flowering runs from June to September, making it a reliable source of colour through the summer months. Its height and habit suit mid- to rear-border positions or larger containers.

Wikipedia contributors, CC BY-SA 4.0 — Anacis verticillata

About the genus

Coreopsis is a genus of flowering plants in the family Asteraceae. Common names include calliopsis and tickseed, a name shared with various other plants.

Wikipedia contributors, "Coreopsis", CC BY-SA 4.0 — Coreopsis

In the garden

Coreopsis verticillata 'Grandiflora' ('Golden Showers') is a perennial member of the Asteraceae and originates from several eastern and central US states including South Carolina, Florida, Mississippi, Alabama, Nebraska, North Carolina, New Jersey and New York. It typically reaches about 1.0 m and produces a sustained display of yellow blooms between June and September. Position the plant in full sun on sandy or loamy ground with good drainage; it will tolerate sites that are moist but still drain freely. In UK terms the cultivar carries an H7 rating so it is fully hardy outdoors; its USDA hardiness range of 3–9 shows it copes with a wide temperature span. Allow a spot with direct sun to maximise flowering and avoid waterlogged soils. Use Golden Showers Coreopsis at the mid or back of mixed perennial borders, in larger containers where it has room to reach its height, or as a source of summer cut flowers. Regular removal of spent stems will encourage continued bloom within the June to September window and keeps the clump looking tidy while in flower.

Growing conditions

Best soil and position for Coreopsis

Sunlight

Full sun

Soil type

Sandy, Loamy

Soil moisture

Well-drained, Moist but well-drained

Exposure

Full sun

UK hardiness

H7

Plant details

Coreopsis verticillata 'Grandiflora' ('Golden Showers') size, habit and characteristics

Plant type

Perennial

Height

1.0 m

Suggested uses

Borders, Containers, Cut flowers

Native to

South Carolina, Florida, Mississippi, Alabama, Nebraska, North Carolina, New Jersey, New York

Care notes

Pruning and caring for Coreopsis verticillata 'Grandiflora' ('Golden Showers')

Cultivation

Prefers well-drained soil; drought tolerant once established; deadhead to prolong flowering

Pruning

Cut back after flowering to encourage a second bloom and maintain shape

Propagation

Seed, Division

Frequently asked questions

More in the Coreopsis genus

• 
  Coreopsistickseed
• 
  Coreopsis grandiflora 'Mayfield Giants'Large-flowered Tickseed
• 
  Coreopsis rosea Twinklebells Sunrise ('P16132')Pink Tickseed
• 
  Coreopsis verticillata 'Ruby Red'Whorled Tickseed
• Coreopsis 'Limerock Ruby'PBR