Determinate and indeterminate potatoes are defined by ripening patterns. Several other varieties of potatoes fall into each class, so there are plenty from which to select. Choose between determinate and indeterminate types depending on factors like yield, garden space, and amount of work.

What are Determinate Potatoes?

Determinate potatoes are types with tubers that grow in just one layer. For this cause, the plants do not require mounding of the mud around them. They produce before, in about 70 to 90 days. Sow limited potatoes in loose soil to a depth of approximately 4 inches (10 cm.). Use mulch to prevent weed growth and to stop the tubers from being exposed to the sun, which will shift the potatoes green. Examples of determinate potatoes are Yukon Gold, Norland, Fingerling, or Superior.

What are Indeterminate Potatoes?

When the plants have got about 6 inches (15 cm.) in height, add several inches (8 cm.) of soil, straw, or through leaves until there are just 2 inches (5 cm.) of plant sticking out of the bank.

  • Continue counting layers as the plant grows. It is because of the numerous layers of tuber production with indeterminate potatoes that these types are well suited to potato box towers, or even potato bags.

These are good for small spaces because they let you grow up and still get a good crop of potatoes. Standards of indeterminate potatoes are Snowden, Russet Burbank, and Bancock Russet.

Determinate vs. Indeterminate Potatoes

Whether you pick one or the other may depend on the types you want to grow. On the other hand, the potato growth factors might help you decide on a variety depending on how much yield you want versus how much space you own. You need more garden space to get better potatoes out of determinate varieties. For indeterminate potatoes, you will get better potatoes, but only if you have vertical play.

Russet Potatoes Determinate or Indeterminate

Types of Potatoes – Determinate vs. Indeterminate

Not all potatoes raise the stem creating all those vertical layers in the potato bag or large receptacle that you may have seen pictures or tapes of. With this deep receptacle idea you add soil to your potato throughout the growing season and when you gather, hope to have multitudes of potatoes! Did you understand that hilling your potatoes may not be required?
  • There are a couple of significant types of potatoes, determinate and indeterminate. What is the distinction you ask? Let me clarify. Determinate potatoes are fast rising (this is why they are the more common type for my Alberta, zone 3 growing zone) and their tubers develop in only one layer. This is why having determinate potato types does not impact your crop. You do not want the growing potato tubers exposed to daylight as this will turn them green. Counting mulch or hilling them once, although not altering the yield, will guarantee they don’t end up green. Determinate potatoes also have earlier than the indeterminate varieties – a big plus for those gardening in the steadier zones.

Determinate (Early and Mid-Season) Potato Varieties include:

  • Nom 1-Caribe

  • Nom 2-Chieftain

  • Nom 3-Cranberry Red

  • Nom 4-Fingerling

  • Nom 5-Gold Rush

  • Nom 6-Norland

  • Nom 7-Onaway

  • Nom 8-Reddale

  • Nom 9-Red Pontiac

  • Nom 10-Russet Norkotah

  • Nom 11-Superior

  • Nom 12-Yukon Gold

  • Nom 13-Viking

If you wish to try increasing multiple vertical layers of potatoes, make certain you are buying the correct variety. Indeterminate potatoes usually take 110 to 135 days to produce. If you are preparing to do a big pot or bag of potatoes try planting your potatoes earlier in the season and plan for as late of a crop as possible. Don’t do as I did and spend the summer counting layers to your large potato container, only to open it in the fall and feel much blow and very deep when 5 large potatoes are all that is under there! (Am I the best one or have any of you tested this with a big fail?)

Indeterminate (Late Season) Potato Varieties Include:

  • 1-All-Blue (Russian Blue)

  • 2-Bintje

  • 3-Butte

  • 4-Canela Russet

  • 5-Carola

  • 6-Elba

  • 7-German Butterball

  • 8-Green Mountain

  • 9-Kennebec

  • 10-Nicola

  • 11-Red Cloud

  • 12-Russet Nugget

  • 13-Strawberry Paw

There is no way of physically speaking determinate vs. indeterminate potatoes separated and oddly, potato suppliers do not always appear to label them “determinate” or “indeterminate but “before”, “mid” or “late season”.

Russet Potatoes Determinate or Indeterminate

When to Harvest Potatoes

Potatoes are prepared to be harvested around two weeks after the shelters have turned brown and died. Gather what you want to eat. It may be useful to wait and harvest the remaining nearer to winter. They will be fine in the ground for weeks after the lids have died as long as the soil is not overly moist. Leaving them in the garden keeps them fresher for a longer time.
  • When gathering do not wash! Washing will cause them to go bad shortly. It is best to harvest when the soil is dry, as less of it will adhere to the potatoes this way. Let the dirt on potatoes fully dry by spreading them out in a dark, well-airy place for up to a week. Set separated any potatoes that are cut or nicked to use sooner rather than later as these will go wrong first. I like to pack mine in timber shavings. Other possibilities are layers of newspaper or sand. Try to keep potatoes from feeling. If some are it is not a big deal but if one starts to rot it will rot any other potatoes that are handling it. Store your potatoes in a cool shady place. Potatoes with thicker skins will keep longer than the more delicate skin varieties.

Where to Buy Seed Potatoes

Some have experienced success with growing locally grown seed potatoes right from the grocery shop. You can also find seed potatoes at your local gardening posts in the spring. This spring I have called my seed potatoes from Eagle Creek Seed Potatoes. It is an Alberta company with a big selection of potatoes that grow well in the Zone 3 atmosphere.

FAQs

1. How do I cook Russet potatoes?

Russet potatoes are protean! You can singe them whole, mash them after boiling, rally them, or cut them into feasts. Their stiff texture makes them great for crisp feasts and delicate mashed potatoes.

2. Can I consume the skin of Russet potatoes?

Yes! The skin of Russet potatoes is palatable and full of nutrients, including fiber. Just make certain to wash them thoroughly before cooking if you plan to eat the skin.

By James Thomas

Hey, My name is James Thomas, and I run a website dedicated to gardening. If you're looking for tips, tricks, and in-depth information about how to make your garden thrive, you've come to the right place. Explore my website for everything you need to know about gardening!

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