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What does TPS mean?

The acronym ‘TPS’ stands for True Potato Seed(s).  True potatoes seeds come from the fruit of a potato plant and are sometimes referred to as botanical seeds.

Potato fruits (or berries) look a lot like green cherry tomatoes. However, they are not edible!

Potato fruits (or berries) look almost like green cherry tomatoes. Unlike cherry tomatoes, they are not edible.

 

This is a short guide to growing potatoes from true seeds.

Step one: Acquire true potato seed of desired varieties.

True potato seeds are tiny!

True potato seeds are tiny!

Step two: Grow seeds in small pots like you would a tomato.  Start seeds about 6 weeks before you want to plant them outside.

17 days after sowing seeds.

Potato seedlings at 17 days after sowing.  Thin each pot to the most vigorous seedling.

Step three: After ~6 weeks plant the seedlings outside at least 10 inches apart.  Bury the seedlings deep; up to the top leaves.

TPS seedlings almost ready to plant.

TPS seedlings almost ready to plant.

Step four: Grow the plants just like typical potatoes from tubers.  Hill the plants to prevent greening of tubers, mulch to ensure good soil moisture levels or water the plants regularly throughout the growing season.

Here is a plant growing from Pig Knuckles TPS.

Here is a plant growing from Pig Knuckles TPS.

Step five: At the end of the growing season, harvest unique tubers from each plant!

Unique potato tubers harvested from an Adirondack Blue TPS plant.

Unique potato tubers harvested from an Adirondack Blue TPS plant.

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One response to “Start Here

  1. How do you know which varieties have male sterility? Is there a list of varieties. I would like to avoid these in my breeding work.

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