MR NICE Mango Widow Regular Seeds. The combination of the genetic make up is very impressive and combines two superb hybrids into a single plant line. Its origins are taken from all corners of the globe and manifest themselves in excellent flavors and tastes. It is ready for harvesting between 8 to 10 weeks depending on climate and phenotype. Yield is not the highest but this is made up with superb tastes and aromas.