How Fast Do Potato Plants Grow?

Potato (Solanum tuberosum) is an annual tuberous vegetable native to South America. There are over 100 styles of potatoes that you would be able to develop in your house backyard. Potatoes are available many colours, together with white, yellow, crimson, purple, and blue, they usually come in numerous sizes, from tiny orbs to fist-sized giants.

Probably the most enjoyable factor about rising your personal potatoes is digging them up. Potatoes are particularly enjoyable to reap with children. You possibly can plant one single potato, watch the plant develop vigorously, after which die again.

Now it seems to be like a pile of earth with a lifeless plant within the center, however then you definately rigorously dig up the earth round it and uncover 8 to 10 new potatoes! That’s a fairly good return in your preliminary funding.

If you concentrate on rising potatoes and film large fields with row upon row of potato vegetation, don’t fear, you’ll be able to develop as little as one potato plant or as many as you care to make room for. You possibly can even develop potatoes in a container in your entrance patio or again deck. All you actually need is a sunny spot and a plot of wealthy, free, moist soil, and a potato to get you began rising.

Potato vegetation are very simple to develop within the dwelling backyard. So long as you’ve the suitable rising circumstances, you’ll be able to develop potatoes. In contrast to most vegetation you can begin from seed, most individuals begin a potato plant from a potato (though it’s attainable to develop some varieties from seed, too). Let’s dig deeper into the above-ground and below-ground levels of potato rising.

9 Levels of Rising Potato Crops

Stage Key Notes
Choosing Seed Potatoes – Develop potatoes from potatoes or from seed
– Choose licensed disease-free seed potatoes
– Purchase high quality seed potatoes, not grocery retailer potatoes
– Many types to select from
Planting Potatoes – Cool season crop
– Shield from onerous frosts
– Begin in spring for summer season harvest
– Prep planting website
– Chit potatoes for planting, as wanted
Sprouts – 2-4 weeks from planting to sprout
– Sprouts develop from potato eyes
– First leafy inexperienced progress
Vegetative Development – Crops develop bigger, fuller
– 60-100 days of speedy progress
– Inexperienced leaves convert daylight into vitality
– Tubers begin to type beneath floor
– Look ahead to pests on leaves
– Preserve plot weeded
– Take away leafy particles
Tuber Formation – After sprouting, 15-30 days of tuber formation
– Plant creates all tubers for the season
– Very small, beanlike growths on roots
– Preserve soil evenly moist
Tuber Development – Flowers bloom 60-70 days after planting
– Blossoms are white or pale purple
– Plant nearing the top of life cycle
Flowering – 10-20 days for ultimate maturation
– Flowers die
– High vegetation yellows and dies again
– Planting on the finish of life cycle
– Tubers beneath floor end maturing
Maturation – 10-20 days for ultimate maturation
– Flowers die
– High vegetation yellows and regularly dies again
– Tubers beneath floor end maturing
Harvest – As much as 120 days after planting
– Harvest when vegetation dies again
– Loosen the soil across the plant with a backyard fork
– Harvest potatoes
– Retailer in a cool, darkish, well-ventilated place
– Retailer for as much as 8 months

Relying on the range, it takes a potato plant wherever from 60 to 120 days from planting to reap. All potato vegetation profit from related rising circumstances. In order for you your potato crop to thrive, it’s essential to present the most effective rising circumstances attainable. Be particularly conscious of soil moisture and diet.

Potato Rising Fundamentals

Gentle Full solar, a minimum of 6 or extra hours of direct daylight per day
Temperature Heat however not sizzling. The best temperature vary to develop potatoes is between 65°F and 80°F through the day and 55°F to 65°F at night time
Soil sort Effectively-drained, loamy
Soil moisture Constantly moist, however not moist
Soil pH Considerably acidic, between 5.0 and 6.0
Fertilizer Fertilize 2 weeks after planting and once more 4 weeks after that. Use a balanced slow-release fertilizer and observe the instructions on the package deal.
Weed management Take away weeds repeatedly. Mulch round vegetation to assist preserve weeds away.

Choosing Seed Potatoes

Seed potatoes are the popular selection for rising potatoes as a result of their disease-free nature and dependable outcomes.

Potatoes are extraordinarily simple to develop from seed potatoes. These usually are not potato seeds however licensed disease-free potatoes that may develop the healthiest crop of latest potatoes.

It’s technically attainable to develop a potato from seed (Clancy is a fast-growing selection for many who wish to attempt from precise seed), however this course of is extra time-consuming than shopping for seed potatoes. For that reason, most suppliers promote seed potatoes, not potato seeds.

Potatoes are simple to develop from seed potatoes.

However why would you purchase seed potatoes moderately than simply fresh-eating potatoes? Once you purchase potatoes from the grocery retailer, they regularly are handled with a progress inhibitor to delay sprouting. They’re additionally not assured to be disease-free and should carry fungal spores. These could introduce a wide range of disagreeable potato ailments to your backyard that may have an effect on your potato crop and different associated crops like tomatoes and peppers.

If you happen to order seed potatoes on-line, purchase from a good firm, and they’re going to ship your seed potatoes near planting time. If you happen to purchase seed potatoes from a backyard middle, choose agency, wholesome, and unblemished potatoes. It’s okay in the event that they have already got sprouts, however don’t purchase any potatoes with mushy spots, gashes, or mildew.

In contrast to shopping for seeds, seed potatoes don’t final for a number of years and can have to be planted inside a couple of weeks. If you must retailer them for a bit longer, preserve them in a cool, darkish place to forestall them from sprouting. The temperature must be between 45°F and 50°F with comparatively excessive humidity and good air flow to forestall rot. 

Planting Potatoes

A close-up of a gardener's hands in white and red gloves is planting a potato tuber in the soil. The tuber is oval in shape, medium in size with dark brown skin and white-green sprouts. Nearby on the soil there are also several tubers for planting.
Potatoes are a flexible cool-season crop that may be planted in each spring and summer season.

Potatoes are usually thought-about a cool-season crop. They’re mostly grown within the spring for summer season harvest, however you may also plant them in the summertime for fall harvest.

For spring planting, get your potatoes within the floor any time after the hazard of main frost. Potatoes will tolerate a short mild frost, however plan to cowl and shield your vegetation from something extra. For a fall harvest, attempt planting them mid-summer.

Earlier than you plant, put together your planting website. Potatoes want full solar with a minimum of 6 hours of direct daylight per day. The soil must be free and well-drained. If the soil stays too moist, the potatoes will rapidly rot. Domesticate the soil 8 to 10 inches deep. Work in some nutritious natural matter like aged manure or compost to counterpoint the soil and feed the potatoes as they develop.

You may additionally want to organize your potatoes prematurely. Small seed potatoes may be planted entire, simply as they’re. Bigger potatoes may be lower in half or quartered, offered every part has a minimum of one eye and ideally 2-3 eyes from which to sprout. Use a clear knife and work on a clear floor whereas doing this.

Let your lower items air dry for two or 3 days in a location with good airflow however out of the solar. The lower edge will harden and develop into a bit leathery to the contact. This drying step is essential; your potatoes could rot when planted in the event that they’re nonetheless fresh-cut! Your potatoes are able to plant as soon as the lower edges have dried and fashioned a pores and skin.

Potatoes may be planted in rows, hills, or massive containers. Dig a gap or trench 4 to six inches deep and lay your potatoes with their eyes dealing with up within the gap. Give them some house so they’re between 8 and 12 inches aside. Cowl them fully with a number of inches of soil. Take into account including a layer of straw mulch on high to assist keep soil moisture and preserve potatoes shielded from daylight.

Now that your potatoes are planted, the next step is to attend for the primary sprouts. When you’re ready, preserve the soil moist.


Close-up of potato tubers planted in soil. The tubers are germinated with small, elongated white-purple shoots. Tubers are rounded, dark brown.
Potato eyes are small dimples on the pores and skin that may sprout into new shoots.

Every eye on the seed potato has the flexibility to develop into a brand new vegetative sprout. As they begin to sprout, they seem like little specks of contemporary white or pink growths rising from the potato.

It’s fairly frequent for a potato to begin sprouting earlier than it’s planted within the floor. If this occurs, don’t fear! Take pleasure in having a transparent view of the brand new sprouts, however attempt to plant them quickly to allow them to develop within the floor. If you happen to planted a seed potato that hasn’t but sprouted, you received’t see this stage as a result of it’s occurring solely underground.

You’ll in all probability have to attend 2 to 4 weeks for the primary sprouts to emerge from the soil. Above every potato you planted, preserve look ahead to the primary sprouts to interrupt the soil floor. Chances are you’ll discover only a single clump of greenery or a number of clumps in shut proximity.

The tuberous potato you planted will develop into the first vitality supply for the brand new plant. Because the vegetation grows, the seed potato will shrivel and wither away. The plant will type new roots and contemporary inexperienced vegetation and can begin to develop tiny new potatoes.

Vegetative Development

Close-up of potato bushes growing in rows in the garden. The bushes are low, have green leafy stems with complex leaves consisting of several leaflets. The leaves are broad, oval, bright green in color and have a smooth texture.
Through the speedy vegetative progress section, your plant will broaden in dimension and develop into bushier.

Throughout this speedy vegetative progress section, your plant will rapidly develop bigger and bushier. You’ll have both a single stem or a number of stems rising over every potato. You received’t have to do any thinning in any respect. Simply let every stem develop freely. They’ll work onerous each above and beneath the soil floor to supply the following crop.

When you see the primary inexperienced sprouts, it might take 60 to 100 days for a plant to succeed in maturity. Throughout this time, the plant can be rising quickly. The majority of the vegetative progress occurs between the sprouting and flowering phases. After flowering, the plant begins to die again, and the vegetative progress section has ended.

Foliage Pests and Ailments

Close-up of a potato bush damaged by Colorado potato beetles. The bush is lush, has complex leaves, consisting of oval green leaflets. Many small Colorado potato beetles eat the leaves of the bush leaving small holes. The beetles are small, rounded, smooth, orange in color with black spots.
Potato vegetation face pests just like the Colorado Potato Beetle, which may hurt leaves by chewing holes.

Potato foliage is vulnerable to quite a few pests and ailments. Thankfully, the house gardener received’t sometimes have as many points as a big potato farm, however you must nonetheless concentrate on among the most typical above-ground potato pests.

Potato Leafhopper

  • Inexperienced physique with small spots
  • Leafhoppers feed on the undersides of leaves
  • Trigger brown spots, yellowing, and wilting of leaves
  • Plant pest-resistant potato varieties
  • Use a tough jet of water spray to take away nymphs
  • Insecticidal cleaning soap could also be used if infestation continues
  • Use pesticides with warning

Colorado Potato Beetle

  • Oval beetle, yellowish physique with black stripes and spots
  • Adults and larvae chew holes in leaves
  • Heavy infestations can kill vegetation
  • Hand-pick and kill adults and larvae

Flea Beetles

  • Tiny black or brownish beetles
  • Feed on leaves, creating many small holes
  • Can transmit blight
  • Preserve the backyard space freed from weeds and leafy particles
  • Use pesticides with warning

Suggestions for a Wholesome Crop

Crop rotation Potatoes, tomatoes, and peppers entice lots of the identical pests. Don’t plant these crops in the identical location in successive years. Crop rotation will assist forestall pests and ailments from accumulating in the identical place.
Soil moisture Preserve soil uniformly moist however not moist. Attempt to keep away from massive fluctuations between moist and dry soil. Soggy soil will trigger potatoes to rot.
Be proactive Test your potato vegetation repeatedly. Be alert for pests and modifications to your vegetation’ well being. Determine and deal with issues promptly.
Preserve the world clear Preserve weeds, contaminated vegetation, and leafy particles away from wholesome vegetation. These can all harbor pests that assault and feed upon potato vegetation.
Pesticides Use pesticides with warning. Begin with less-damaging strategies like onerous water sprays or less-damaging choices like insecticidal soaps or horticultural oils, and solely regularly enhance the efficiency if infestation continues. Deal with solely contaminated vegetation. Whereas potatoes don’t depend on pollinators to supply a crop, many different vegetation do.
Companion vegetation Companion vegetation can profit potatoes by enhancing soil high quality and repelling pests. Some good companion vegetation for potatoes embrace beans, cabbage, carrots, corn, cucumber, garlic, lettuce, and peas.

Tuber Formation

Close-up of male hands demonstrating the formation of potato tubers on the root of a potato plant, outdoors. The root is young, has small rounded light brown tubers with smooth skin.
Potato vegetation enter a section of tuber manufacturing round 15 to 30 days after sprouts emerge.

From 15 to 30 days after sprouts seem, potato roots have reached a section the place they start to supply new tubers. Each new tuber your plant produces can be created throughout this section!

They begin out trying like little bean-sized lumps alongside the foundation system. After this, the plant devotes its vitality to every of those present tubers and grows them bigger.

Above floor, you will note the vegetative progress stage, the place the plant sprouts new leaves and grows bigger and taller. Under floor, the plant will try to supply buds for as many as 20 or 30 tubers, however not all of those will attain maturity.

From 5 to fifteen tubers on every plant will attain maturity, relying on rising circumstances, soil moisture, and accessible vitamins.

That is an particularly vital section that straight impacts your ultimate harvest. Throughout this time, guarantee your plant has the best circumstances, particularly constant soil moisture, to assist guarantee a superb harvest afterward.

Extremely variable climate and moisture throughout this time may cause your vegetation to have poor manufacturing charges, and few potatoes will develop.

Tuber Development

Close-up of Potato tubers formed on the roots of a plant. Tubers are medium to small in size, oval in shape, light brown in color, with soil residues.
Through the tuber progress stage, present tubers get larger, which occurs underground.

The tuber progress stage, also called tuber bulking, is when your potato tubers develop bigger. Between 45 and 90 days after the primary sprouts emerge, the tubers produced through the tuber formation stage will develop from tiny buds to full-size potatoes.

The vegetation received’t make new tubers, however the present tubers will get larger and larger, storing vitamins and carbohydrate vitality. They received’t attain their most dimension till the flowering stage when the plant reaches maturity.

You received’t be capable to see the tuber progress as a result of all of it occurs underground. However you have to be conscious of what’s occurring since you don’t need these tubers uncovered on the soil’s floor, or they’ll flip inexperienced and bitter.

To assist preserve the tubers rising solely underground, potato gardeners typically use a follow referred to as hilling. In hilling, you add contemporary soil or hay by mounding it alongside the perimeters of the vegetation each few weeks. This prevents tubers from being uncovered to daylight and has the additional benefit of serving to management weeds.

Throughout this section, chances are you’ll observe that the plant appears to have stopped rising, and the leaves will begin to flip yellow. That is an above-ground signal that the plant is diverting all its remaining vitality into rising the below-ground tubers to their ultimate dimension. Your potatoes can be largest you probably have very best rising circumstances, together with shiny daylight, moist soil, loads of house between vegetation, and high-quality soil vitamins.

It’s vital to keep up even watering throughout this time. Ideally, you’ll want to preserve the soil uniformly moist. Uneven watering may cause uneven tuber growth, cracking, and splitting. It could actually additionally trigger your potatoes to have hole, ethereal pockets within the facilities when they need to be totally strong.

Tuber Pests and Ailments

Close-up of a potato tuber with White Grub inside, in a woman's hand against a blurred garden background. A pinkish-brown potato tuber with a large hole in which a large white Grub sits. The larva has a soft, curved body, creamy white in color.
White grubs may cause injury to stems, roots, and tubers, however crop rotation helps reduce their influence.

Potato Tuberworm

  • Whitish or brownish caterpillars, the larvae of the potato tuber moth
  • Caterpillars bore into potato tubers inflicting intensive injury
  • The larvae additionally eat holes in potato leaves
  • Primarily impacts tubers closest to the soil floor
  • Preserve potatoes fully underground to keep away from tuberworm injury

Potato Wireworm

  • White or tan larvae of a click on beetle
  • Wireworms chew holes within the roots and tubers
  • Rotate crops to scale back publicity

White Grubs

  • White grub-like beetle larvae
  • Grubs chew stems, roots, and tubers of many crops
  • Underground injury can happen earlier than the above-ground plant reveals signs
  • Crop rotation reduces entry

Widespread Scab

  • Bacterial an infection affecting tubers
  • Irritation of the outer pores and skin of a potato
  • Use disease-resistant seed potatoes
  • Develop in acidic soil

Bacterial Mushy Rot

  • Widespread bacterial an infection
  • Tubers develop quite a few gentle spots
  • Don’t let potatoes sit in moist soil
  • Treatment (dry) tubers totally earlier than storage


Close-up of a flowering potato bush in a sunny garden. The bush has beautiful deciduous stems, consisting of complex leaves with oval smooth green leaflets. The bush bears small, star-shaped white flowers with orange centers.
Potato vegetation bloom through the flowering stage, attracting pollinators with their small however showy white or pale purple flowers.

The flowering stage occurs in direction of the top of tuber progress and the start of maturation. Potatoes are flowering vegetation that bloom about 60 to 70 days after planting. The flowers aren’t, after all, the place the potato tubers come from. However that is nonetheless a necessary stage of the expansion cycle of the potato plant. As a bonus, the flowers are small however showy and entice some pollinators.

Potato flowers are sometimes white or pale purple with considerably distinguished yellow anthers. Some potato varieties have darker pink flowers or darkish crimson or purple anthers. The flowers every final only a few days and sign that the plant is close to the top of its life cycle.


Close-up of potato bushes ready for harvest, in the garden. Bushes have yellowed and dried oval leaves and stems.
The maturation stage happens when the plant’s foliage turns yellow and dies.

The ultimate stage earlier than harvesting your potatoes is maturation. This section lasts roughly 10 to twenty days. Throughout this section, the leafy inexperienced components of the plant flip yellow and die off.

Because the above-ground a part of the plant dies, the potatoes are nonetheless protected underground, ending their progress course of. At this level, they are going to be as massive as they are often. When the highest a part of the plant has fully died again, it’s time to reap.


Close-up top view of a shovel digging up ripe potato tubers in a sunny garden. The potato bush has aerial stems with complex pinnate leaves with oval bright green leaflets. And among the dug out roots there are many formed tubers of different sizes, oval in shape with a light brown skin.
Harvest your potatoes after ready patiently, utilizing a backyard fork to loosen the soil.

You’ve waited for as many as 120 days for this second, and now comes the enjoyable half. Are you able to dig some potatoes? Put in your work gloves and seize a backyard fork. You’ll in all probability additionally wish to convey a sturdy basket to place your potatoes in.

Your harvest instances would possibly differ barely relying on the number of potatoes you planted. Child potatoes may be harvested 2 or 3 weeks after your vegetation have completed flowering. A extra mature potato you wish to bake or retailer for a very long time will want extra time within the floor. Wait till the plant foliage has fully died again earlier than digging for totally mature potatoes.

When able to dig your potatoes, use a sturdy backyard fork to rigorously loosen the soil across the place the place the plant was rising. Don’t dig near the principle stem, or you’ll find yourself piercing by means of many tubers.  As you flip the soil, you will note a mass of potatoes across the base of every plant. Rigorously take away the potatoes from the earth.

If the climate is heat and dry, depart them to dry within the solar for a couple of hours. This enables the skins to dry and treatment, making them extra sturdy for storage.

As soon as dry, convey them in and retailer them in a cool (45°F to 50°F) location for as much as 8 months. Don’t retailer them in an hermetic container; they want good air flow to forestall rotting.  If you happen to retailer them in a heat or shiny location, they’ll begin to sprout once more. Any potato with gentle spots or injury to the pores and skin must be eliminated and eaten rapidly, or it is going to rot.

Last Ideas

Potatoes are a enjoyable crop to develop. Chances are you’ll discover solely 3 or 4 potato varieties at your native grocery retailer, all of that are optimized for lengthy storage over taste, however you’ll be able to develop over 100 distinctive varieties at dwelling! Begin some seed potatoes within the spring and harvest them in mid-summer.

Be sure you purchase and plant solely licensed disease-free seed potatoes. Give your vegetation loads of daylight, moist soil, and hearty diet. Look ahead to mid-season pests, and preserve these potatoes underground till they’re prepared to reap. Then the most effective half is harvesting your very personal homegrown crop of potatoes. How will you cook dinner your potatoes for dinner tonight?

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