Cauliflower is one of my favorite vegetables to eat on and I wanted to produce some in my container garden . But it ’s a somewhat great plant and I had the question of can you grow it in a batch ?
you could grow cauliflower in a pot that is 10 to 12 inch deep and encompassing . Grow them in a aplomb - time of year that is desirable for cauliflower such as early spring or belated fall . Use good potting soil and add up compost or fertilizer every month . Cauliflower grows well with at least 8 hours full sunlight and right watering .
Cauliflower can be one of the suitable plants to develop in a container but it does need a little upkeep . check that to learn all the steps below that will serve you grow them in a commode .

Cauliflower grown in a container at the BMC Horticulture show.
1. Choose the best time to grow cauliflower
Cauliflower is an interesting plant with some distinct needs . It has a report for being sensitive and hard to produce . However , most of the number that gardeners face with this craw revolve around piteous planning .
The harvest requires cool temperatures to sincerely boom .
You have a couple of options for when to set Brassica oleracea botrytis . Because it does best in cool conditions , you may take for spring harvesting or autumn harvest . It all depend on your develop time of year .

Packet of compost I used for my plants
If you ’re looking to love the veg in the spring , you must commence the seeded player indoors . Aim to sow the seeds or set your seedlingsabout 10 week before the last average frost engagement .
you could use historical data to figure out your timeline . If you do n’t have access to past frost escort , you could call your local Extension office . The experts there will give you all the information you require .
Do n’t worry too much if things are n’t accurate . There ’s no room to plan around Mother Nature . The plant will do a great deal of its growing indoors , so it should n’t be a problem if you ’re a few daylight off .
For declension harvest , you ’ll need to look for information about the average first frost date . Once you estimate that out , design to set out your cauliflower about 12 weeks before you ask the first Robert Lee Frost to come .
2. Figure out how long it will take to grow
Cauliflower does n’t take as long to grow as most people think . For many gardeners in temperate climate , it will take as little as 60 Clarence Day .
That said , there ’s a mess of wavering here . Cauliflower has a wide hardiness range of a function , growing in zone 2 through 11 . That ’s middling much all of the United States .
Obviously , not all cauliflower varieties will flourish everywhere . There are 4 major Brassica oleracea botrytis form and countless unique cultivars . Each one has its own emergence cycle .
Plus , you have to factor in your grow method . you may grow cauliflower from ejaculate or young seedling .
If you go the germ road , you may expect a longer growing time . in general , it takes between 85 to 130 days from sow to reap .
But if you use graft or seedlings , the mean growth time is much faster . seedling take about 55 to 100 days depending on the cultivar .
check that you do some enquiry about the picky variety you ’re implant . You may have to adjust your planting time if you ’re in for a especially long produce bike .
3. Choose the right pot to grow cauliflower
The key to successful cultivation is choosing a suitable tidy sum . Cropvegetableslike cauliflower require ample way to grow . While they can flourish just fine in slew , you need one that ’s go to accommodate its needs .
Choose a pot that ’s roughly12 to 18 inch in diameter . For depth , aim for a container around 8 to 12 inch tall . That ’s suitable for the shallow root system of the plant .
These measurements are the bare minimum for cauliflower . But , you may always go bountiful .
In fact , many gardeners choose to utilize makeshift containers . If you have the room , try using a barrel half or old trumpery bin . In a larger container , you could well maturate up to 3 industrial plant .
There are no rigid prerequisite when it come to material or weight . However , you might see more winner with a thicker locoweed made of ceramic or terracotta .
Terracotta , in exceptional , does a fine job of insulating the soil . Cauliflower can experience problems if the weather warms up too before long . An insulating potbelly may make it easier to keep grime temperature at an appropriate level .
4. Prepare the pot to plant cauliflower
There are a few additional steps you want to take before you start planting your Brassica oleracea botrytis . The first is to make indisputable that your pot has tolerable drainage .
Cauliflower works will not stand standing water supply . These plants like moisture . But supererogatory sogginess will quickly cause root rot .
To ensure that this does n’t happen , drill a few holes in the bottom of the container . Many pots you get at the gardening center already have a few holes in them . But feel free to tote up some more if you think that the existing holes are too modest .
With makeshift container , drilling new holes is a must . Pop several yap around the border of the pot and near the center .
Preparing the Soil
Next , you must groom the soil . Cauliflower can grow in any old potting mixing . But , it pays to do a bit of meliorate beforehand .
Plan your growing season early on and endeavor to amend the soil several month before you plant . This will give the medium some time to improve .
There are two main goals with soil preparation . You need to enrich it with nutrients and ensure that it ’s at the right pH level .
Cauliflower plants favour soil that ’s rich in constituent issue . Take someorganic compostand work it into the soil . Use a small-scale digger to work it in and get everything in full incorporated .
Once that ’s done , execute a soil test . Ideal pH grade are between 6.0 and 6.8 . This somewhat acidic range will maximize nutritious availableness . A modest amount of peat moss will lower the pH residual . But do n’t exaggerate it . You will start to run into problems if the pH story falls below 6.0 .
5. Plant cauliflower seeds in the pot
engraft from seedis a great option if you require full control over the type of Brassica oleracea botrytis you cultivate . It does take longer to reach harvest time . But , the supernumerary time is well worth the wait .
For the good consequence , you should found your seed at once into the pot you signify to grow the plant life in . It ’s potential to begin with seed tray . However , this would require transplantation subsequently on . These industrial plant are already sensitive enough . You do n’t need another step to stress the works out .
Fill your mickle to about half an inch from the rim . Then , situation 4 seed in the center of your stack and lightly compensate them with ground .
You do n’t need to worry about space . Using multiple seeds will give you a better chance of sprouting . However , you will remove 3 of the source after they bourgeon . For now , the finish is to make certain that you have at least one of the seeds sprout .
Water the territory softly . It needs to be moist but not marshy . check that to check the wet level day by day . proceed the soil moist is important for sprouting .
Place your skunk somewhere affectionate inside your house . Brassica oleracea botrytis cum can germinate in temperatures as low as 50 stage Fahrenheit . However , optimum conditions are around 80 degrees . Put the mass in a ardent room or take advantage of a warming pad to keep the dirt in good shape .
6. Plant cauliflower seedlings in the pot
If you need to glean your cauliflower preferably , seedlings are the way to go . They are uncommitted at most nurseries and garden centers . seedling have already sound through the problematic germination phase . They are several weeks erstwhile , making them a suited candidate for transplanting .
sate your tummy with soil and leave about an column inch at the top . apply a small shovel or your hands to dig out a hollow that ’s rough the same size as the seedling container .
Now , gently stuff the sides of the moldable container to tease apart the soil and seedling . It should slide justly out in one place . The soil is still soft , so be gentle .
Place the seedling and its territory in the new pot and fill up the hole . Give the seedling a salutary watering and put the pot in a ardent location inside your home .
For both seeds and seedlings , the plant will stay indoors for several hebdomad . As it grows , keep the dirt moist and ensure temperature are static .
7. Provide required sunlight to cauliflower
Cauliflower works bang the sunlight . But , they can be a bit trickier to manage than other plant because of their strict temperature management . Not only that , but you have to make love when to provide Dominicus .
Providing Sun Exposure
You want to supply sun as before long as your cauliflower seed sprout . If you implant from seedling , you need to put the pot in a gay smirch from the leap .
However , you ca n’t take them outside just yet . So , groom to create some way near a window .
The moment you see your seeds sprouting , order the plant in a cheery window . A south - facing windowpane is idealistic . It receives exposure throughout the day . Some shade is fine , but you ’ll feel better solvent if you wangle to give the cauliflower plant full sun .
you may also use a grow lamp if natural sunshine is unavailable .
Moving the Plant Outdoors
After several week of flourishing inside , you may move the plant outdoors to incur unencumbered sun pic .
If you ’re plant for a spring harvest , the best time to move the crop outside is about 4 week before the last frost . That timeline is a worldwide guide . Cauliflower grows best when day-to-day temperatures are in the 60s . So , contain the temperature daily and move your plant outside when the weather is correct .
For gloam works , you ’ll want to move the spate outside 6 weeks before the first estimated frost date . Again , check to verify that daily temperature are in the sixty . Too much high temperature is just as bad as too much cold .
Put your pots in a billet that gets at least 6 hours of full sun every Clarence Day . More Sunday exposure is better . The more sun your plant gets , the healthier it will be .
8. Water cauliflower plant in the pot
On fair , cauliflower industrial plant need between1 and 1.5 inches of water system every week . In particularly dry regions , you may require to provide upwards of 2 inches a week .
Stick to a regular watering docket . Cauliflower plant life do n’t endure drouth whatsoever . You must keep the grime moist and well - hydrated .
When you water the plant , do so deeply . rent the water ooze out from the bottom to secure that the roots are take full access to the weewee .
taste to keep the leaves dry as well . The occasional splash is no swelled deal . But regular saturation will cause fungous job . You also need to avoidoverwateringand soggy soil . Cauliflower is speedy to rot , so you must avoid any major lachrymation discrepancies .
9. Thin unwanted cauliflower seedlings
Remember how I enunciate that space for Brassica oleracea botrytis seed was n’t a big concern ? Well , it does become an issue once the seeds bulge to sprout .
When you ’re germinating seeds , planting several in one pot is beneficial . Even in the best growing conditions , not every seed will bring forth a sprout . So , we try out to germinate several seed at once to verify that you have something to cultivate moving forward .
If more than one cum produces a sprout , you will necessitate to thin the herd a bit . It ’s best to reduce the seedlings when they are about 2 inches improbable .
study each seedling closely and take the one that looks the healthiest . Typically , the healthiest seedling with be the tall and most colorful . If the seedling is struggling to appease upright , it will in all likelihood experience developmental problems as it gets bigger .
Once you choose your primary seedlings , remove the rest . Simply use your digit to root for the seedling from the land . you may also snip them off with shears if you ’re worried about root wrong .
take away all of the seedlings until you have just one in the center of your slew .
10. Fertilizer cauliflower plants in pots
As your crop is grow , it will need a bit of excess help in the nutrient section . Cauliflower plants are wakeless feeder . In just a few months , the nutritive supplying can dry out up , result in scrawny developing . You want your plant to have enough energy to produce a magnanimous oral sex , soregular fertilizationis a must .
Use a balanced fertilizer to bung your plant every 3 to 4 weeks . Go for an organic or vegetable - secure product . Water - soluble recipe are best . All you have to do is dissolve the granule according to the instructions and water your plant .
Focus your watering on the soil around the base of the plant . test to debar getting any plant food on the stem . The plant food could terminate up burn it .
Continue to apply fertilizer throughout the biography of the plant .
If you ’re planting from seedlings , look a few hebdomad after planting to apply your first dose . Providing fertilizer too early could stress the newly transplant seedling . look for 3 or 4 weeks . Then , follow a monthly fertilizer schedule .
11. Harvest cauliflower from pots
It does n’t take long for heads to appear . The tiny vegetable will stay on to grow several inch in diam before it is ready to harvest . But , there is one thing you need to do before you get there .
Blanching
Blanchingis the cognitive operation of protecting the cauliflower heads from direct sunlight . While the industrial plant loves to enjoy in the sun , the crop itself is another storey . Too much sunshine exposure will cause the head to degrade in quality .
The iconic sweet flavor wrench virulent and unpalatable . Some cauliflower kind may even get blotchy patches of purple . It ’s not the most appetising matter to glean .
protect the head from excess sun exposure is not as easy as creating shade . think of : The rest of the plant still needs as much sun as it can get . You have to get a chip originative to secure that you ’re getting a flavorful harvest time .
To blanch your cauliflower , use the large outer leaves . close down a few leaves around the head like a cacoon . Then , secure the leave-taking in position with some string . you could even use clothes pin or rubber bands . This process blocks just the right amount of sunlight while still giving the works room to grow .
It ’s just to blench the heads when they ’re about 3 inches in diameter .
Not all cauliflower plant will postulate blanching . Some are “ ego - parboil ” and have leaves that curl up inwards . Just keep an eye on the amount of sun the pass is contract . If the leaves are n’t doing the magic trick naturally , coerce them into place .
Harvesting
In most cases , the Brassica oleracea botrytis is ready to harvest a calendar week or two after blanch . By that point , the top dog will be anywhere between 6 and 8 inch wide .
Unfold the leave of absence and give the veggie a feeling . It should be white , firm , and heavyset . The florets should be close together to create that signature cauliflower texture .
To harvest the fruit of your labor , cut the heads off with a astute knife . Cut below a few leafage so that you’re able to keep using them for protection .
Freshly harvested cauliflower will last about a week in the icebox . If you ’re not ready to run through them , you may also cook them in short in salt water and pop them in the Deepfreeze .
Fact Checked , Written , and Published by Kevin Rodrigues
Kevin is the laminitis of Gardening Mentor , a site that aims to teach masses to arise their own food in a limited outer space . As a ego - taught nurseryman , Kevin has spent several days produce plant and creating gardening content on the internet site . He is certified in Home Horticulture and Organic Gardening from Oregon State University . He has a Post Graduate Diploma in Horticulture and Landscape Gardening from Mumbai University . Read more