The bulb can rot if it stays wet in its winter dormant season. The orange star plant (Ornithogalum dubium), also called star of Bethlehem or sun star, is a flowering bulb plant native to South Africa.It’s hardy in USDA zones 7 through 11 and produces stunning clusters of bright orange flowers. Sprinkle the granules evenly over the soil's surface, till them into the top 6 to 8 inches and water thoroughly. Makes a nice gift plant! A sun star's bulb contains enough nutrients for its first growing season. The genus Ornithogalum is called sun star or wonder star, and yields over 120 different species of flowers, mostly originating in South Africa and the Mediterranean. Sun star is hardy in U.S. Department of Agriculture plant hardiness zones 7 to 10, preferring a sunny location with a little afternoon shade.Temperatures between 50 to 80 degrees Fahrenheit are ideal, though the plant will tolerate temperatures as low as 36 degrees F …

SOUTH AFRICA A native plant of South Africa. ... Slow-release fertilizers are an especially good, care-free choice for container plants. When it stops blooming, do not remove the plant from the light source. Additional fertilizer isn't necessary, but working 2 tablespoons of 0-46-0 superphosphate fertilizer into the surrounding 10 square feet of soil prior to planting *encourages strong root development. It soaks up this light to use during the next growing season. This plant, a native of South Africa, is valued for its brilliant orange, long lasting flowers, both on the plant and as cut flowers. Continue to water the plant as usual. This is a page about caring for a sun star plant. Sun Star, Orange Star Plant Indoors (Ornithogalum dubium) Join the Club to Manage Your Garden ... A great potted plant for a sunny window or table centerpiece. The Sun Star, or Ornithogalum dubium, is a perennial in the lily family. Allow the plant to grow for the rest of the blooming season. TWENTY Each stem can grow to about a foot in height and is topped with up to 20 small cup-shaped flower. The Sun Star needs moderate watering, and it is good to keep it slightly dry. Ornithogalum is a member of the Hyacinthaceae or hyacinth family. Keep reading to learn more orange star plant information. Ensure the orange star is in soil that drains well. Plant Feed.