(Of course, the soil must drain well.) They are herbaceous plants, meaning they can be grown from bulbs. However, they can not go completely into a dormant stage. This means the lily can also be cultivated using tubers for planting materials. The plant body can grow from 4 to 6 feet in height. To get the right exposure to the sun, they need to have around 18 to 24 inches of space around them. ) After which, slow-release fertilizer is to be added on top of the soil. Storing Move the trays of potted lilies to an unheated place so they can sit for a minimum of 2 weeks to root. Keeping them in the cold stimulates them to have healthy and extensive root systems before they send out shoots. There is no need to water them now because they are kept cool, and they don t dry out because they are in the dark. In finding true lilies, it is best to check their characteristics such as having stiff stems with narrow strap; large flowers that develop at the tip of the stem; either trumpet, bowl or bell shaped that come with petals that are reflexed. You will also know that the plant in front of you is a true lily if it nods downwards, faces outwards, or turns upwards. Here are some useful tips when planting lilies. What to plant There are different types of lilies. If you are unsure of what to plant, then try researching about breed which are compatible in your location. Asiatic and Oriental lilies are the most popular types of lilies in the United States. Enchantment, Corsica, Crete, and Dawn Star are species of Asiatic lilies. If you have noticed these pests, immediately treat them. Diseases like these could easily spread to nearby bulbs. Remove and cut dead tops and affected bulbs to control the infestation. Consult experts if you are unsure on how you could treat pests and fungal growth. You could ask the local nurseries for help. Martagon hybrids, however, can bloom well in the shade, which makes them prized by some growers. For some effects, you can plant your lilies in groups of three or five identical bulbs. Space the plants 8 to 12 inches apart. Depending on the vigor and size of the lilies, keep the groups 3 to 5 feet apart.