"Petroleum jelly can certainly help keep crawling insects from climbing up the trunk of a tree and reaching the ... Vaseline ...
In some cases, a tree's trunk may have a spiral pattern on it because of how vines grew up it in the past. In others, the spirals may be related to the tree growing in an area with strong winds or ...
MacCubbin gives Florida gardening advice on Confederate jasmine, satsuma mandarin, hibiscus, tibouchina, peach trees, St.