Quinoa is considered a complete protein and an alternative to rice. Mint Vanilla Quinoa reaches a height of 4' to 6' that usually takes 90 to 110 days to mature. Plant 12-14" apart to harvest for grain. The seeds mature in creamy white clusters and have a mild nutty flavor. The leaves are also edible, are used as a spinach alternative, and are rich in minerals. Blooms in late summer to autumn.