DESCRIPTION: Summer Sun False Sunflower has masses of beautiful gold daisy flowers at the ends of the stems from early summer to mid fall, which are most effective when planted in...
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DESCRIPTION: Summer Sun False Sunflower has masses of beautiful gold daisy flowers at the ends of the stems from early summer to mid fall, which are most effective when planted in groupings. The flowers are semi-double and excellent for cutting. Its serrated oval leaves remain green in colour throughout the season. 

BOTANICAL NAME: Heliopsis helianthoides 'Summer Sun'
OTHER NAMES: Oxeye Daisy, Perennial Sunflower
AVERAGE MATURE HEIGHT: 150 cm
AVERAGE MATURE SPREAD: 60 cm
SUN EXPOSURE: Full sun
FLOWER COLOUR: Golden yellow 
FLOWERING TIME: Summer
FOLIAGE COLOUR: Deep green
COLD HARDINESS: Zone 3 ( Should survive up to -39.9° Celsius )
WATER NEEDS: Average
OTHER FEATURES: Attracts Birds & Butterflies, Bee Friendly, Border, Cut Flowers

Landscape Attributes

Summer Sun False Sunflower is an herbaceous perennial with an upright spreading habit of growth. Its medium texture blends into the garden, but can always be balanced by a couple of finer or coarser plants for an effective composition.

This is a relatively low maintenance plant, and is best cleaned up in early spring before it resumes active growth for the season. It is a good choice for attracting butterflies to your yard. It has no significant negative characteristics.

Summer Sun False Sunflower is recommended for the following landscape applications:

  • Mass Planting
  • General Garden Use
  • Naturalizing And Woodland Gardens

Planting & Growing

Summer Sun False Sunflower will grow to be about 3 feet tall at maturity extending to 4 feet tall with the flowers, with a spread of 3 feet. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 30 inches apart. It tends to be leggy, with a typical clearance of 1 foot from the ground, and should be underplanted with lower-growing perennials. The flower stalks can be weak and so it may require staking in exposed sites or excessively rich soils. It grows at a fast rate, and under ideal conditions can be expected to live for approximately 10 years.

This plant does best in full sun to partial shade. It is very adaptable to both dry and moist locations, and should do just fine under typical garden conditions. It is not particular as to soil type or pH. It is highly tolerant of urban pollution and will even thrive in inner city environments. This is a selection of a native North American species. It can be propagated by division; however, as a cultivated variety, be aware that it may be subject to certain restrictions or prohibitions on propagation.

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