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Golden star is a good woodland groundcover.

Golden star is a good woodland groundcover. USDA, NRCS. 2012. The PLANTS Database (http://plants.usda.gov, 5 December 2012). National Plant Data Team, Greensboro, NC 27401-4901 USA.

Chrysogonum virginianum 'Superstar'

Golden star

FIRST IMPRESSIONS:  Chrysogonum virginianum ‘Superstar’ is a low growing native perennial with starry golden daisy-like flowers. Blooms are borne in great numbers in late spring and sporadically after.  Plants thrive in moist well drained soils in part sun or part shade.  This is a great native groundcover with semi-evergreen foliage and a long blooming period.  This cultivar forms a thick mat of attractive deep green foliage due to its vigorous clump-forming habit.

HABITAT & HARDINESS:  The parent plant, Chrysogonum virginianum, is native to the eastern United States from New York to Florida and Louisiana.

The species is indigenous to mesic to dry woodlands and open rocky woodlands.  Plants are more likely to be found in forest edges and clearings with bright filtered light rather than in densely shaded interiors. 

This cultivar was named ‘Singer’s Form’ for the American Rock Garden Society’s Norman Singer and eventually remarketed as ‘Superstar’.

Plants are hardy in USDA Zones 5-9.

PLANT DESCRIPTION:  Chrysogonum virginianum ‘Superstar’ is a mat forming perennial wildflower.  Plants are low growing and clump forming rather than rhizomatous.

Foliage is semi-evergreen unless winter temperatures are extreme.  Leaves are oblong or ovate and 1-3” long.  Blades are pubescent with blunt teeth and long stalks.  The deep green color and consistent clean appearance of the foliage is a selling point for this cultivar.

In late spring plants bear clusters of cheerful yellow daisies.  The flowers are star shaped with notched rays and a dense golden disc.  They are produced in the leaf axils and held above the low foliage.  This cultivar commonly reblooms if planted in a happy site with moist soil.

Plants grow about 5” tall with a 12” spread.

CULTURAL & MAINTENANCE NEEDS:   Chrysogonum virginianum ‘Superstar’ is easy to grow as long as plants have part sun, light shade and rich well drained soil. 

Plants tolerate drought and are resistant to pests.  They may suffer from fungus diseases, however, if soil is poorly drained or mulch is too thick.

This groundcover may need occasional irrigation during drought if located in exposures with afternoon sun.  Plants will tolerate clay soils if they are amended with organic matter to improve drainage.

Flowers provide nectar to pollinators but plants are unpalatable to deer and other herbivores.

LANDSCAPE USES:  Chrysogonum virginianum ‘Superstar’ is used most often as a Groundcover or Accent for Shade Gardens.  In residential sites, small Groups of plants can be used as a Border for shaded paths.  Plants provide Showy Blooms and Winter Interest.  They are valuable components of Deer Resistant Plantings, Water-wise Landscapes, Low Maintenance Plantings, Perennial Borders, Rock Gardens and Wildlife Gardens.

COMPANION & UNDERSTUDY PLANTS:  At woodland’s edge, Chrysogonum virginianum ‘Superstar’ mingles well with Carex flaccosperma, Heuchera villosa, Iris cristata, Polystichum acrostichoides, Solidago caesia and Spigelia marilandica.

The parent species Chrysogonum virginianum or cultivar C. virginianum ‘Allen Bush’ would be worthy substitutes.

TRIVIA:  The word Chrysogonum is taken from the Greek "chrys" that means "gold" and "gonu" which means "joint" due to the golden axillary blooms.

 


Height:

5 in

Spread:

12 in

Spacing:

18 in

USDA Hardiness Zone:

5-9

Bloom Color:

Yellow

Chrysogonum virginianum 'Superstar' Characteristics

Exposure

  • Partial Shade

Attracts Wildlife

  • Pollinators

Soil Moisture Preference

  • Moist to Dry

Attributes

  • Long Blooming
  • Ground Cover
  • Interesting Foliage
  • Evergreen
  • Drought Tolerant
  • Rock Garden
  • Clay Soil
  • Naturalizing

Flowering Months

  • June
  • May
  • April

Foliage Color

  • Green

Season of Interest (Foliage)

  • Fall
  • Summer
  • Spring
  • Winter

Growth Rate

  • Medium

Plants that work well with Chrysogonum virginianum 'Superstar'

Blue wood sedge Blue wood sedge (Carex flaccosperma)
Hairy alumroot Hairy alumroot (Heuchera villosa)