Never plant quinoa in September

February 17, 2009 | By | Comments (1)

A little background in case quinoa is not yet a staple in your diet:

Quinoa is a wonder food. It is grown mostly for its edible seed (not a grain, as it is often mistaken, because it is not from a grass) though the leaves are also edible. Loved by many because it is a complete amino acid, quinoa is unusually high in protein for a seed.

We wanted to experiment with including some as part of a winter feast.

Quinoa is indigenous to the high, dry climate of the South American Andes and thrives in places where the temperature stays under 90 degrees.  So while Menlo Park isn’t necessarily high, it is moderately dry and definitely mild. Additionally, Seeds of Change has developed a variety, Faro, which is particularly well suited to sea level.


The problem? We didn’t realize we wanted it until September and quinoa is best planted in April or May.

Being the test garden we thought, why not give it a go?

Here’s why:


A few things went wrong:

1. The frost hit hard.  Quinoa can endure a light frost, but the plants are
usually much larger by the time the frosts roll in. These were mere
pups when the cold came. I don’t think they could handle the
chill on their baby stems.

2. Quinoa is sensitive to day length. The foliage grows and grows while
the days get longer, and seed formation (reproduction) is triggered after the summer
solstice, as the plant prepares to die. Planting it in September threw them for a loop. They only grew about two feet before forming seeds, but the seed head was
small and not very robust. (They’ll grow over four feet tall if planted properly.)

I guess that’s why we call it the test garden.

Lesson learned: Don’t try to cheat the seasons. Plant your quinoa from seed in April or May.


  1. Olajide Oluwole

    Please kindly let me know how to get quinoa’ s seeds. I would love to see if it would germinate and grow well inthe tropics.
    Wole from Nigeria.

    November 21, 2009 at 1:20 pm

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