Helianthus Happy Days
Heliathus 'Happy Days' photo courtesy of Walters Gardens'

Dwarf Perennial Sunflower

With a habit much like a dahlia, the colourful blossoms of Helianthus 'Happy Days' are perched atop upright plants with purple, branched stems and dark green leaves. The large pom pom-like blooms are bright yellow with a deeper golden eye. 'Happy Days' is relatively short for a Helianthus, so it works well in the middle of the flower border. It blooms from mid summer well into the fall. 'Happy Days' is also excellent for cutting and is a nectar rich food source for pollinators.

  • Height: 55-65 cm (21-26 in)
  • Spread: 45-60 cm (18-24 in)
  • Cold Hardiness: Zone 5-9
  • Sun or Shade: sun
  • Bloom Time: mid summer to fall
  • Leaf Colour: dark green
  • Bloom Colour: golden yellow
  • Nature Attraction: butterflies

Growing and Maintenance Tips

Helianthus 'Happy Days' is easy to grow in average well drained soil in full sun. It should be divided in the spring every three to four years to maintain its vigour. It can be cut to about 15 cm in the fall or left to provide winter interest.

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