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10/10/2020: All of the TPS varieties that will be offered this year are now in stock!
True potato seed (TPS) information and growing instructions

Having a hard time deciding where to start? I recommend starting with the wide tetraploid mix, which will give you a lot of variety and tubers that are pretty easy to store and grow again. In general, tetraploid seeds will be easiest, followed by high dormancy diploids, and then mixed or low dormancy diploids.  Mixes have greater diversity, so you are more likely to find something that will perform well in your climate.  There are three categories of seeds here.  Mixes change a bit from year to year, but are always available.  Individual lines are offered only as long as I keep the parent clone, which could be anything between one year and forever.  Controlled crosses are produced one time and most will never be restocked once they sell out.