Ornithogalum narbonense

Ornithogalum narbonense should be placed in a sunny position in a fairly fertile and well-drained soil. Do not place it in a damp corner. It is a thermophilic plant, meaning it requires warmth and sun while avoiding the scorching rays of the summer sun. However, it can still be grown in light shade. Plant the bulbs at a depth of 5 to 7cm (2 to 3in) and space them 10cm (4in) apart. Place them in a greenhouse in autumn for early flowering. In winter, keep the bulbs dry with a mulch as they are sensitive to frost and bulb rot caused by excess water. You can replant the bulbs in May. Nevertheless, this plant is resistant to diseases and parasites. Ornithogalum self-seeds spontaneously, which is why it can become invasive in mild climate regions. To prevent this, cut the flower stems as soon as they have faded.