![](https://citrusrootstocks.org/wp-content/uploads/2020/03/modern-nursery-766x1024.png)
Grafted citrus trees are usually propagated in special areas dedicated for this purpose, and named a nursery. Although citrus nurseries of the past were often in the open field, the modern citrus nursery typically makes use of potted citrus plants being grown in greenhouses or other structures that can protect the young trees from insects, nematodes, and diseases.