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When to Plant Potatoes: A State Specific Guide

When to Plant Potatoes: A State Specific Guide

Mary Smith |

More and more, customers are asking us to carry Organic Seed Potatoes at Mary's Heirloom Seeds.  You might be asking yourself, "What's the difference between a Seed Potato and one I can get from the grocery store and sprout?"
 
First, Seed Potatoes are typically specific strains (varieties) of potatoes and are disease free.  If you know about the Potato famine in Ireland or have experience blight or other plant diseases then you can appreciate disease free seeds.
 
Also, some store bought potatoes are sprayed/dipped/treated so that they won't sprout or "grow eyes."

Harvest dates will vary based on variety of potato.  Generally, potatoes take 90-120 days to harvest.
  • Under optimal conditions, you can expect to harvest 10–15 pounds of potatoes for every pound of seed potato planted.
Potatoes are not roots but specialized underground storage stems called “tubers.” Potatoes can be planted anytime the soil temperature is above 45 degrees and there is no danger of a hard freeze at least two weeks after planting. Maximum tuber formation occurs at soil temperatures between 60 and 70 degrees F. 
This is a basic guide.  Planting Potatoes should occur 2-3 weeks BEFORE your last frost date.

We are currently offering PRE-ORDERS of select varieties of
ORGANIC *Non-GMO* SEED POTATOES
Depending on your location AND date of purchase, seed potatoes will be available to ship as early as January 1.
*Price and availability subject to change*

ORGANIC RED THUMB FINGERLING POTATO


PURPLE Majesty Organic Potato


Yukon Gold Organic Potato

So here is our state-specific planting times for Organic Potatoes

  • Alabama - February 1 thru February 28
  • Alaska - April 15 thru April 29
  • Arizona - February (low lying areas)
  • March-June for mountain regions


  • Arkansas - (south) February & (north) March
  • California - 
  • Coastal: February thru March 31
    Inland: February 15 thru April 31


  • Colorado - April thru May14
  • Connecticut - April 20 thru May 10
  • Delaware - March 20 thru April 15
  • Florida
  • Central: January 1 thru February 28
    North: January 1 thru March 31
    South: September 1 thru January 31
     
  • Georgia - January 20 thru March 1
  • Hawaii - October thru March 31
  • Idaho - May 10 thru May 24
  • Illinois - April 20 - May 4
  • Indiana -
  • Central: April 18 thru May 2
    North: April 26 thru May 10
    South: April 3 thru 17


  • Iowa - April 1 thru April 20
  • Kansas - March 15 thru April 20
  • Kentucky - April 15 thru April 29
  • Louisiana - January 20 thru February 28
  • Maine - May 6 thru May 20
  • Maryland - March 20 thru May 10
  • Massachusetts - April 7 thru April 21
  • Michigan - April 15 thru May 31
  • Minnesota - April 30 thru May 14
  • Mississippi - March 24 thru April 7
  • Missouri - 
  • Central: March 20 thru April 10
    North: April 1 thru April 15
    South: March 10 thru March 30


  • Montana - June 20 thru July 4
  • Nebraska - April 27 thru May 11
  • Nevada - April 1 thru May 1
  • New Hampshire - May 20 thru June 3
  • New Jersey - March 20 thru April 25
  • New Mexico - 
  • North: May 22 thru June 5
    South: May 1 thru May 15


  • New York - April 1 thru May 16
  • North Carolina - February 15 thru April 1
  • North Dakota - May 14 thru May 28
  • Ohio - March 20 thru May 15
  • Oklahoma - April 1 thru April 15
  • Oregon - 
  • Coast: February 1 thru May 31
    Columbia River: March 1 thru June 30
    Western Valley: April 1 thru June 30
    High Elevation: May 1 thru June 30


  • Pennsylvania - March 25 thru June 5
  • Rhode Island - April 1 thru May 1
  • South Carolina - 
  • Coastal: February 1 thru February 15
    Central: February 20 thru March 10
    Piedmont: March 15 thru March 30


  • South Dakota - May 2 thru May 16
  • Tennessee - April 6 thru April 20
  • Texas -
  • Zone 6: March 15 thru April 7
    Zone 7: March 10 thru April 1
    Zone 8: February 15 thru March 1
    Zone 9a: January 15 thru February 15
    Zone 9b: January 1 thru February 1


  • Utah - March 1 thru May 1
  • Vermont - May 11 thru May 25
  • Virginia - April 6 thru April 20
  • Washington - April 15 thru May 1
  • West Virginia - April 22 thru May 6
  • Wisconsin - April 15 thru May 15
  • Wyoming - May 1 thru May 26

  • I hope this info has been helpful.  If you have additional questions, please call or send us an email.
    Mary's Heirloom Seeds
    (954) 654-3501
    mary@marysheirloomseeds.com



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    3 comments

    i entered the contest but could not comment on favorite bee flower mine is dahlias I had the tinest and other kinds of bees all over the place.
    alice rojas,

    Wondering same, will they last till April? Im newby! Also, when buying .99 cent seed packs, how long are they good? Thank you, tish

    Tisha Featherston,

    My state planting dates are March-April. Will the seed potatoes be good until then if they ship in January? Thanks!

    AmyH,

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