Category Archives: oca (Oxalis tuberosa)

Oca: Early Sprouting Syndrome

One of the best things about growing oca is that it is generally very resistant to disease.  Unlike potatoes, which are vulnerable to more than a dozen common diseases and need constant attention, oca usually fends for itself very well.  The most common problem here is a bacterial stem rot, but it usually occurs late […]

Oca: Is potato cyst nematode a concern?

I’ve had a few inquiries lately about potato cyst nematode infestation of oca and any time I see a question more than once, I start thinking about a blog post.  I should emphasize from the beginning that I have no direct experience with this subject.  As far as I know, there aren’t any potato cyst […]

Oca: Crunching the numbers on 2 years of oca from seed

Last week, I answered the most frequently asked question that I receive about oca.  This week, I am taking on the second most common question: What are the odds that I will get a variety worth keeping from oca seed? Oca, as an octaploid, is a fundamentally heterozygous plant.  Every oca seed produces a different […]

Oca: Mini tubers from 2013 seedlings

A side note to start with: Northwest Edible Life invited me to do an introduction to Andean root vegetables, which has gone up today: http://www.nwedible.com/2014/03/andean-root-vegetables.html I’m really pleased with how it turned out.  Northwest Edible Life is a great blog and definitely worth checking out if you’re reading here. —– This will be just a […]