This episode marks the first time that Sgt Walter Harriman actually has the name Harriman in the name patch on his uniform instead of the name Norman Davis.
First mention on Stargate SG-1 of the Pegasus galaxy, which is where Stargate: Atlantis (2004) takes place.
Although, in some shots, a mix of plants is used, the plant used most as of the freakishly-fast-growing alien plant is in fact a Heptapleurum actinophyllum (amate or umbrella tree), a reasonably common houseplant.
The idea for an out of control plant taking over the base was first pitched as a storyline for season 4, but shelved as could not fill an entire episode.
General O'Neill goes to the locker room and opens his locker. In the background, the lockers have the names "M. Almas" (Mairzee Almas, wife of Gregory Diamond Almas), "B. Prochaska" (Brigitte Prochaska, unit publicist) and "M. Davidson" (Mark Davidson, set dresser).