Something that's Implausible is farfetched or unlikely. If it's 3pm and you still have to study for three exams and write an essay before midnight, its implausible that youll also have time to watch a movie. The adjective implausible breaks down into im, meaning not, and plausible, meaning likely.
Growing 8 to 15 feet tall and 6 to 12 feet wide, French lilac shrubs have heart-shaped foliage that is dark green to blue and ranges from 2 to 5 inches long. French lilac shrubs require full sun to part shade and a range of soil varieties including heavy soil. Plant in USDA zones 3b to 7.
1 To improve the flowering of lilacs, keep the grass from growing around them. A 16- to 24-inch circle of landscape cloth placed around the bushes and covered with bark or stone will keep the grass down.  Force a winter bouquet from cut branches of lilac. Bruise the cut ends and set them in water.