V. zizanioides is preferred because it grows faster and forms a denser and leafier hedge than V. nigritana. It is also less susceptible to termite attack
V. zizanioides amakondedwa chifukwa amakula mwachangu ndukupanga mpanda wothithikana wamasamba ambiri kuposa V. nigritana. Samadyedwanso kwambiri ndi chiswe