The color green is almost exclusively used in connection with plants in the Bible, and the meaning is closely connected to the meaning of plants as well. Plants, in general, represent facts, knowledge that we can gather from the world. Green plants are ones that are alive and growing. Since life represents love and goodness, it makes sense that green plants are facts that have the potential for good use. It also indicates that they are the kinds of things we learn through directly through our senses, since to identify green plants we need to actually see the greenness.

(References: Apocalypse Explained 507; Apocalypse Revealed 426; Arcana Coelestia 7691)

347. That 'the end of days' is used to mean the course of time may be clear to anyone. In its earliest form, when simplicity was still present in it, this doctrine called Cain does not seem to have been so unacceptable as it was later on. This is clear from the fact that they called offspring 'Gained a man, Jehovah'; so in its earliest form faith was not separated so much from love as it was 'at the end of days', or in the course of time, as usually happens with all doctrine that belongs to true faith.