Ornithogalum umbellatum, the garden star-of-Bethlehem, grass lily, nap-at-noon, or eleven-o'clock lady, is a perennial bulbous flowering plant in the asparagus family (Asparagaceae). O. umbellatum is a relatively short plant, occurring in tufts of basal linear leaves... Caring for StarofBethlehem After It Blooms. After blooming, leave the foliage of this plant alone, watering occasionally only if the soil gets quite dry, until the foliage turns brown, indicating dormancy. At this time, it's safe to prune the bulbs or plant annuals in their space. Get Care Plan. Star-Of-Bethlehem main.Gagea pratensis, called the yellow star-of-Bethlehem,] is a European and Mediterranean plant species in the lily family. It is widespread across much of Europe as well as Turkey and Morocco. StarOfBethlehemPlantCare: Tips On Growing StarOfBethlehem Bulbs.If you decide to plantStarofBethlehem flower bulbs in your landscape, do it in fall. The plant is hardy in USDA Zone 3 with mulch and grows in Zones 4 to 8 without mulch. StarofBethlehemplants and other members of the Ornithogalum family can be grown from seeds sown in flats of moist mixture of peat moss and perlite in the spring. Cover the seeds lightly with peat moss, then seal the flat in a plastic bag and chill in the refrigerator for about three weeks. Plant in full sun to part shade, 10cm apart with the bulb at a depth of 10cm underneath the soil level. StarofBethlehemPlantCare. StarofBethlehem's flowers are in clusters at the tips of stems to 1 foot tall. The 3 sepals and 3 petals (when they're so similar, they're collectively called tepals) form an attractive star, often 3-cornered, bright white on the upper surface, with green lines on the underside. How to Care for StarofBethlehem Flower. ornithogalum plant.In zones 4 to 8, it can be grown without mulch, although mulching does not hurt. Fertilizing and Pruning. Besides watering every now and then, there is very little you need to do to care for your StarofBethlehemplant. Persistent star-of-Bethlehemplants require persistent manual digging to completely eradicate the problem. Although tedious and laborious, hand digging has proven to be the most effective method for getting rid of star-of-Bethlehem. The bulbous plant doesn’t need much care, though, and it goes back into the ground after flowering until the next spring. You can find all the information you need about growing and taking care of the starofBethlehem in this article. Also, try potting StarofBethlehem bulbs in the fall to bloom indoors during the winter. Make sure to plant enough bulbs to fill the planter. Like other bulbs, they require a chilling period. More on Forcing Bulbs. It’s a rewarding winter indoor gardening activity. StarofBethlehemPlantCare Guide: How to Grow and Maintain Healthy Blooms. The StarofBethlehem (Ornithogalum umbellatum) is a charming and delicate perennial known for its star-shaped white flowers. Prized for their forgiving nature, StarofBethlehemplants are appreciated by many growers from around the world. These ornamentals belong to the winter lily family, they are easy to grow and care for, and you will find out more about their caring routine later throughout this article.