These plants _________(not grow)in North China.

These plants _________(not grow)in North China.
These plants _________(not grow)in North China.

These plants _________(not grow)in North China.
aren't grown

aren't growing .grow 只有在表示种植时才使用被动形式，如：The plant is growed by me.像楼主所述为陈述某一事实，就用现在进行时即可。