Today advanced gene splicing procedures allow scientists to identify and remove genes, clone them and then replant them; sometimes into the same organism from which they were removed and other times into a totally different organism.
As to propagation, there is scarcely any need to enlarge upon that, as bulbs are imported so plentifully; and it is only necessary to separate the young bulbs and replant them in good soil.
Whenever an amateurs stock of bulbs is divided, it is wise to replant some in fresh ground, and any surplus may be naturalised in grass.
Certain areas are not conducive to particular species, so check for climate recommendations before purchasing a live tree to replant.
If plants begin growing too close together thanks to all the runners they put out, dig them up, separate them, and replant them.
If you plant them in containers or hanging baskets, you will probably need to replant them each year like an annual.
If you don't want to replant your garden with alfalfa, you can add alfalfa meal to the soil instead.
Many gardeners in hot climates prefer to treat strawberries as annuals and replant them year after year.
In some cases it has even been possible to recover the original arrangement of the garden beds, and to replant them accordingly, thus giving an appropriate framework to the statues, &c. with which the gardens were decorated, and which have been found in situ.
Plant cauliflower, cabbages, sea-kale, lettuce; and finish the planting of the main crops of potatoes; divide and replant globe-artichokes.