Press it down lightly to evenly cover the bottom of the pot. You can even use the fibrous material that is around the outside of the bulbs in place of growing medium. Find out whether or not you can leave lilies in pots over winter, with advice on how to protect the bulbs, in this video from BBC Gardeners’ World Magazine. You can keep them in an unheated interior location, like a garage or a cold frame, making sure they do not dry out completely. The best bulbs for containers. Having chosen your bulbs you are ready to start planting. My question is do I have to dig up the bulbs, store and replant in the autumn? It won't stop me doing the same again this year though. More on growing tulips: If you want to enjoy blooms from year to year, plant fresh every autumn, or lift and store the bulbs. I would keep the pot outdoors apart from the most severe of weather. By layering bulbs as shown here, you will get colour from lots of different flowers. If you don't happen to have chicken wire to cover your pots of bulbs against squirrels etc, the prunings from berberis, pyracantha, holly etc. i have them in containers covered with newspaper with a couple of bricks on top which deters squirrels etc. You can lift tulip bulbs to replant in autumn or leave them in the ground to establish. Hi all! Dahlias grow well in pots, though you need to be very careful not to let them repeatedly dry out. I shall give them a go outside as the greenhouse is heated. Many varieties would do well in a 12- to 14-inch diameter pot which is also at least 12 inches deep. If you have sensitive skin, wear washing up gloves when handling the bulbs as they release tiny, needle-shape crystals, which can irritate the skin. I bring them near the house for a welcome show in the spring. If you don't have a large enough pot to leave your bulbs outside during the winter, you can stash them in an enclosed space. plant life can stay in an exceptionally small pot for an exceptionally long term in the event that they are top dealt with. Also, don't let the pots freeze solid - put fleece over them or move them to somewhere sheltered if hard frosts are predicted. You can keep bulbs in a pot for two or three years, then dry them off, clean the bulbs and store them in a nylon stocking or paper bag, label and put in a dry place until fall. Avoid windy areas, or be sure to stake taller bulbs with twiggy sticks. Whether you are just planning to plant tulips in a pot or if you have a garden to fill, you can get the whole family involved and you'll have buckets of cut flowers come the spring. sure, you could save the tree interior the pot, yet you will could exchange the soil and prune the roots and branches periodically. Snowdrops, alliums, and fritillaria are also nice. You have a winter that drops below freezing and you have to lift them up and store them properly. I then plant up the pots with annuals for a summer display or courgettes etc. Watching with interest. If you foliar feed (water the leaves with fertilizer) you will give an extra boost to the plant. You can leave in the same container until overcrowded (fertilising while growing) but I usually replant spent bulbs in the garden to die back and naturalise. Bulbs in containers can be even more exciting than bulbs in garden beds. I’ve enjoyed tulips, crocus, daffodils and will soon have lots of different alliums blooming. The size of the container depends on how many bulbs you want to grow. Water bulbs once after planting then regularly when in active growth, but you can reduce watering once the leaves start to die down and then through the dormant season. If you are keeping the pots outside, it’s best to plant the bulbs when the temperature outside is 45–55 °F (7–13 °C). A cheerful container of spring bulbs is an easy way to create a splash of colour. In the dead of winter, a bright tulip or hyacinth plant can be a welcome addition to a dreary environment. I must or else the underground critters eat my bulbs, even all my beautiful alliums. For example, for a bulb measuring 5cm (2in) high, dig a hole 10-15cm (4-6in) deep and sit the bulb in the bottom of it.