Growing Potato

Solanum tuberosum : Solanaceae / the nightshade family

Jan F M A M J J A S O N Dec
      P P              

(Best months for growing Potato in USA - Zone 5a regions)

  • P = Plant seed potatoes
  • Plant tuber. Best planted at soil temperatures between 50°F and 86°F. (Show °C/cm)
  • Space plants: 12 - 16 inches apart
  • Harvest in 15-20 weeks. Dig carefully, avoid damaging the potatoes.
  • Compatible with (can grow beside): Peas, Beans, Brassicas, Sweetcorn, Broad Beans, Nasturtiums, Marigolds
  • Avoid growing close to: Cucumber, Pumpkin, Sunflowers, Tomatoes, Rosemary

Your comments and tips

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08 Oct 15, Chris Petersen (Australia - sub-tropical climate)
Hi Jen, I grow my potatoes in 50 liter potato bags. I "chit" them before planting, then plant 3 of them 4" from the bottom of the bag and cover them with 3-4" growing media. They are well watered twice a week and usually the first shoots break the surface 3-4 weeks later. I continue to add more growing media as the shoots grow until the bag is full to the top. Keep the water up to them and fertilize as required. Harvest when plants die-down or at first sign of blight. Happy Gardening, Chris.
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08 Sep 15, Bloodhound (Australia - sub-tropical climate)
Hi, I have a partly shaded to filtered sun garden area with limited success with tomatoes, spinach, carrots and zucchini. I was thinking about potatoes, what do you suggest?
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04 Sep 15, Jill (Australia - temperate climate)
Thanks very much for your clear, helpful instructions. Much appreciated.
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30 Aug 15, ilona bresca (Australia - temperate climate)
why not plant the potatoes that have gone green in the kitchen. can you still eat them after peeling the green off ?
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10 Oct 15, Sarah (Australia - cool/mountain climate)
We constantly find potatoes growing in our compost (usually green ones I've thrown in) so I have long since stopped buying seed potatoes! Potatoes that are just starting to green, I just peel til they're not green anymore and never had any side effects. That said, one of our dogs ate a rather green potato while she was a pup...the associated get bill made for a very expensive potato crop that year...!
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15 Aug 15, Lynda Rice (Australia - temperate climate)
How long should my Potatoes take to grow? I have just tried to dig up one plant and the potatoes are still really tiny so obviously not ready yet. How do I tell when to dig them up? Should I be fertilising and if so with what? Thanks
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16 Oct 15, Lachlan Turner (Australia - temperate climate)
Wait till the above ground foliage dies off.
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19 Aug 15, Sarah Johnstone (Australia - sub-tropical climate)
Hi Lynda, potatoes take about 5 months or so to grow to a good size. You'll get an assortment of sizes. They're ready to harvest when the vine starts to wither. The smaller potatoes are good to keep for next year's crop. If the vines aren't withering after 5-6 months, you can try to kill them off yourself, apparently that's what they do in Idaho (or so a friend tells me!)
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15 Aug 15, Sally (Australia - temperate climate)
Could some one please tell me when to plant potatoes in Melbourne, Victoria Cherrs
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20 Aug 15, Porto (Australia - temperate climate)
Hi Sally, plant now if you want new spuds for Christmas. I have just put mine in, and I always plant on 15th August
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I forgot to mention -- and kept forgetting to post this additional part. When you are "hilling up" you are actually burying LEAVES. Leaves have specialized tissue to COLLECT LIGHT -- that is to say, they are NOT ROOTS -- so to me, burying leaves is NOT CORRECT. It may help to get the potatoes producing sooner, BUT somehow to me if a potato plant made leaves it wanted to collect light -- roots are different, they are sort of thin and round/tube like and are used to transport water and nutrients -- AGAIN: leaves are leaves and roots are roots -- and when I stop and think about it burying leaves doesn't seem right... and my gut instinct is saying that it is not correct. I have also noticed that roots are thinner, and are probably easier for the plant to make/grow -- leaves look like they take a lot of work/nutrition -- so why bury something that is specialized to be above the ground???....... again, the pros may say otherwise and have lots of data and past successes to prove their view point. I have done it both ways (not sure why I did- but I did) and really have not noticed any differences in OVERALL potato production.... so why bury the leaves and make all that extra work hilling up ??? Also, potato tubers seem to like lots of air flow... so make sure the soil is light or ir your in containers ensure lots of holes near the bottom sides to create updrafts..

- Celeste Archer

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