Hypoxis costata

Star Lily

Plant Type:


Hypoxis costata (ex: Ellen Hornig) – 5 available. Six-petaled deep yellow starry flowers erupt in early to midsummer and float at the crest of the foliage mound. Seven to eleven leaves per crown are hirsute in the form of fibrous, broad blades reminding us a bit of Rattlesnake Master, Eryngium yuccifolium. Hypoxis costata culture is on scrabbled sloped, montane grasslands suggesting that good drainage is important. Still quite rare in the U.S. Hypoxis are relatively easy to please; in fact, Hypoxis costata is robust. They relish plenty of summer moisture but should be kept fairly dry in winter. They enjoy full to mostly sunny siting. Hypoxis can draw honeybees. Rebloom is possible. Common names include African Potato, Star-grass, Star Lily, Yellow Stars and Yellow Star-grass. Established pot grown division from tubers that can grow surprisingly large.

More About Hypoxis costata

  • Collector Plant


20 in


12 in




(7b?)8 to 11
What is my hardiness zone?

Characteristics and Attributes for Hypoxis costata

Season of Interest (Flowering)

  • Summer

Season of Interest (Foliage)

  • Spring / Summer / into Autumn

Nature Attraction

  • Honey Bees & Native Bees


  • Full Sun
  • Mostly Sunny


  • Drought Tolerant
  • Greenhouse / Alpine House
  • Conservatory
  • Rock Garden
  • Collector Plant
  • Potted Plant

Growth Rate in the Garden

  • Medium


  • Sandy
  • Draining
  • Fertile


  • South Africa

Propagated By

  • Division