Invasion (Seeds of War)

Retired (involuntarily) Marine Lieutenant General Colby Edison is in exile, running an automated farm it farm is overrun by a horde of alien plants, leafy gremlin-like creatures that begin systematically destroying first his crops and then his home. And not just his farm, but all the surrounding farms as well. The relentless plants have apparently killed his neighbors, and clearly he and his dog Duke are next. But as a retired Marine, Colby has resources and skills not shared by other farme...