This depends on the variety, the way it is grown or the type of feeding given.
Orchids have strong stems.
Any grass plant would have weak stems because they are not woody. However, "cow grass" does not exist rendering this question moot.
The stems and leaves are mildly toxic to humans and will cause gastric distress.
Because of positive geotropism. All plants even the ones with weak stems do this.
Sunflower and rose plants have woody and strong stems)
No
No
weak weak
herbs are very small plants with soft,thin and weak stems.
it is weak and strong because it neutralises acids. So its strong not weak but weak not strong.
weak is not strong
antonym comes from the greek, anti, meaning opposite, so the opposite of weak is strong.