Brassica oleraceavar. botrytis

Cauliflower , Brassica oleraceavar.botrytis , is a vegetable in the Brassicaceae family that includesbroccoli , brussels sprouts , lolly , collards , kale , andkohlrabi .

It is a cool - atmospheric condition cropoften referred to as a “ brassica”or “ cole crop , ” with edible head , leave , and stem .

Cauliflower resembles Brassica oleracea italica in its form , but it is actually quite different .

A close up horizontal image of a small cauliflower head developing in the garden.

Photo by Katherine and Eddie D’Costa.

Unlike Brassica oleracea italica , which has a vaulted chief of tightly pack eatable flower bud , a Brassica oleracea botrytis head comprise of obtuse , curd - like plant tissue paper with a flaccid texture and mildly sweet , nutty smell .

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There are whitened , purple , orangish , and green varieties with a orbit of healthy attributes , includingvitamins B , C , and K , as well as genus Beta carotin and fiber .

Top down view of a head of white cauliflower growing in a garden.

Photo by Katherine and Eddie D’Costa.

The fleeceable type is really a “ broccoflower , ” or hybrid of cauliflower and Brassica oleracea italica that most resembles cauliflower with its sarcoid head teacher .

Note that there is another vegetable commonly referred to as a broccoflower that is not botanically a type of cauliflower . It isRomanesco broccoli , and has pointed Citrus aurantifolia greenish whorls of tightly packed heyday bud .

You may have heard that cauliflower is unmanageable to spring up , but that ’s only because it has specific requirements that require to be cope with for give rise robust and delectable heads .

A close up vertical image of cauliflower plants growing in the garden with white heads surrounded by deep green leaves. To the top and bottom of the frame is green and white printed text.

In this article , we discourse all you require to eff to rise cauliflower in the home garden .

Here ’s what ’s in store :

What You’ll Learn

permit ’s get growing !

Cultivation and History

B. oleraceavar.botrytisis a half - hardy biennial that is usually grown as an one-year inUSDA Hardiness zone 2 to 11 .

How confusing is that ?

Half - brave means it ’s capable to withstand some frost . The farewell may “ sunburn , ” but a maturing foreland may continue to produce .

A horizontal image of rows of cauliflower plants growing in the garden with small white heads and blue-gray foliage.

However , if a cold charm comes suddenly , the temperature wavering may stimulate a plant to bolt , finishing its life cycle prematurely , and likely producing an inedible crop .

A biennial is a industrial plant that takes two mature seasons to nail its life cycle .

Cauliflower produce an eatable principal in the first year . If we harvest the head , the plant is finish growing . This is how most of us cultivate it – as an annual .

A close up horizontal image of a pile of freshly harvested cauliflower heads with the foliage removed.

However , in region without freezing wintertime , if we do n’t reap the head , plants continue to grow and will blossom and set seed in the 2nd year . This is characteristic of a biennial .

semen saver in warm regions can rent some of their best head bleed to semen to gather up it for future crop .

When growing this genus Brassica , expect the number of day to maturity to vary from close to 50 to 100 .

A close up horizontal image of a purple cauliflower head that is ready to harvest growing in the garden.

Pay close attention to seed packetswhen gain your selections , and pick out a distance of meter that suit your middling climate .

In warm clime , plant in the fallfor an former spring harvest . In cold zones , you have the option of implant indoors in other spring , or outdoors in recent summer , to stave off extremum heating and cold .

spring up Brassica oleracea botrytis reminds me of “ Aster linosyris and the Three Bears ” and their stadium of porridge . This veggie does n’t wish tune that ’s too raging or too cold , preferring rather temperatures that are consistently “ just good . ”

A close up horizontal image of a cauliflower seedling just pushing through the soil.

If you ’re in a zone where you have two to three month of temps that average in the 60s , you ’re in prime brassica - growing soil . The rest of us must work a turn hard .

Here in southeastern Pennsylvania , we sometimes have crazy days in April when the temperature suddenly hang glide to 90 ° degree Fahrenheit . This may cause plant to ” clitoris , ” producing multiple tiny heads , or “ dash , ” shape curds that diffuse and go to seed .

It ’s much better to plant in late summer for a fall crop in locations like mine .

A close up vertical image of small cauliflower seedlings growing in the garden surrounded by mulch.

From a historic viewpoint , cauliflower is an ancient veggie that originated in the Eastern Mediterranean , likely on the island of Cyprus .

By the Middle Ages , it was already under finish in Italy , and from there , made its agency across Europe and around the globe to India .

There are four main groups of cauliflower : Italian , Northern European , Northwest European , and Asian .

A close up vertical image of a young cauliflower seedling growing in the garden with droplets of water on the foliage.

The Italian diversity are believe to be previous ancestral descendants . The rest are the progeny of cultivars developed in the 18th and nineteenth 100 .

Today ’s colorful cultivated varieties are wonder of the 20th 100 . Who knows what the futurity holds !

Propagation

There are two way to go plants : from seed , or from glasshouse seedlings that are transplant to the garden .

From Seed

For an early summertime harvesting , Rodale ’s Ultimate Encyclopedia of Organic Gardeningrecommendsstarting seeds indoorsin peat potentiometer about four to six weeks before the last have a bun in the oven freeze particular date .

Sow seed half an inch late in biodegradable pots . This way , you could transplant total pots rather of unearthed seedlings , and obviate radical damage . Be sure to utilise sanitary tools and supplies to avoid exposing your germinating seeds to disease .

you may place the pots on a 70 ° F heating tray and set it near the cheery window in your house . Keep the stain moist , but not quaggy . Be sure to polish off the warming tray as soon as the germ spud , so they do n’t overheat .

A close up square image of the packaging of Miracle-Gro Shake’n’Feed fertilizer isolated on a white background.

When the seedlings have sprouted not only cotyledons , or “ come leaves , ” but several readiness of true leaf as well , begin to harden them off .

This simply mean setting the pots outside for a few hr each 24-hour interval , increase gradually to all Clarence Day , before transplanting them into the garden .

And as we ’ve said , in cool clime , you may also sow cum in tardy summertime for a fall harvest . Place them immediately in the ground two to three months before the average first frost date .

A floating row cover is used to protect cauliflower seedlings.

Choose a planting location withfull sun to partial shadowiness . Full sunlight is recommend on many cum packet , however , a partially shaded placement offer shelter in the event of a sudden spike in temperature .

You may want to have a soil sample examine to ascertain its acidity and nutrient subject . Soil with a nearly neutral to slightly acidic pH of 6.0 to 7.0 , is good . Transplant during a cool time of the day , morning or evening .

Some folks like to put a collar around each seedling to dissuade cutworm . you could read ourguide for more information on this blighter .

Human hands folding the leaves over the heads of cauliflower to blanch it or keep the sun off of it so that it remains white.

Add a one - inchlayer of mulchto aid in moisture memory , keep weeds down , and keep the ground coolheaded .

From Seedlings/Transplanting

Transplant nursery seedling to the garden the same day you buy them , or as soon as potential .

Gently unpot the seedling and coif them into the garden slightly lower than the dirt surface . traverse the potting culture medium with soil , tamp down it down , and water well . Mulch as recommended above .

How to Grow

B. oleraceavar.botrytisdoes beneficial ingood - quality soil that drains well .

You may wish toconduct a dirt testprior to planting . Per the resultant role of your test , you may act upon amendment such asorganically - rich compost , pearl repast , orlimeinto it as commend by the testing laboratory .

Work your planting soil to a depth of about eight inch . Plant intact biodegradable crapper 12 to 20 inches asunder , depend upon the smorgasbord you are grow .

Top down view of several cauliflower plants being grown in plastic tubs.

For nursery pots , carefully allay the contents out , relax any visibly entangle roots , and blank space in the muddle at the same profoundness as they were in their mint .

Some seed packets commend unaired plantings , but this does n’t allow for maximum air circulation .

Mature industrial plant generally achieve a height and girth of about two feet in either direction , and overcrowding increases vulnerability to pests and disease .

A close up square image of the yellow cauliflower cultivar ‘Flame Star’ growing in the garden.

Fertilizing

Theories differ on fertiliser applications programme . Carla Emery , in her comprehensiveEncyclopedia of Country Living , warns against commercial fertilizers that may burn tender roots .

The folks at theMissouri Botanical Gardenrecommend high - nitrogen diversity .

I care a slow - outlet all - aim granular character like Miracle - Gro Shake ‘ N Feed All Purpose Continuous Release Plant Food , a balanced food supplement that predict not to burn radical if used as directed .

A close up square image of a ‘Snowball Self Blanching’ cauliflower head pictured in bright sunshine.

It ’s available from Home Depotin a variety of container size . Apply it at transplant time , and it do work throughout the develop time of year .

Miracle - Gro Shake ‘ N Feed All Purpose Plant Food

If you choose to fertilize and do n’t use a slow - release product , apply it at transplanting time , and then as a side dressing per software package teaching during the growing season .

Top down view of a head of cauliflower growing in a garden that has been attacked by pests and disease with holes in its leaves and a discolored head.

Side dressing is simply applying it around the perimeter of works , just outside the sharpness of the large leaves , to avoid unmediated middleman with the foliage .

Watering

Cauliflower want even moisture , so do n’t let it dry out . To increase moisture retention , make a narrow fosse around each plant by mounding stain up in a ridgeline around it .

Mix some mulch into this stain ridge to further aid in wet retention , protect delicate root , keep the ground cool , and curb weed growth .

The less you postulate to weed , the better , as the roots are shallow and fragile .

A close up horizontal image of a pair of human hands uses a sharp knife to slice the head of an orange cauliflower away from its roots.

Water deeply once a hebdomad in the absence of rain , using a easy nebuliser nozzle target at the grime over the roots . Do this in the dawning or evening , when temperature are at their coolest .

rain plus supplemental irrigation via watering by hired hand should amount to between one and two inches total per week . If you ’re not trusted how much precipitation you ’re getting , tryusing a rainwater bore .

Temperature Management

In other spring , most of your garden is probable to be in full sun , however , as the season comes into full bloom , Sir Herbert Beerbohm Tree lead off to flip out and cast some nuance .

Consider this as you choose a planting site . If partial shade is unavailable , be prepared with a supplying of lightweightfloating row coversthat you could rapidly arrange up in the event of a sudden surge in temperature .

rank them as eminent as possible and allow for the ends of the rows overt to ensure decent zephyr circulation .

A close up horizontal image of the head of cauliflower in a kitchen on cutting board showing the “curds” which are eaten.

For drop crop , the converse is unfeigned . Cold snaps are not rare , so keep row cover of a heavier cloth on helping hand .

Place them a little lower , and close off the ends , to create a cozy environment . Be sure to get to the goal or remove them entirely when temperatures rise .

In addition to providing some temperature control , run-in cover help to dissuade undesirable pests as well .

A close up horizontal image of homemade stuffed bell peppers set on a gray slate.

Blanching

As your harvest acquire , the leave will become copious , and in the center of each plant , you ’ll see a head of curds start to forge .

If you are growing a white variety , when it ’s a few inch across , it may be time to “ blanch . ”

This is a mere task that involves binding the leaves up and over the developing head to keep the semblance pristine and the flavour at its peak .

A close up horizontal image of cauliflower fried rice with vegetables in a black metal bowl with chopsticks to the left of the frame.

Some cultivars are self - blanch , with leaves that curl up naturally up and over the flush head . Others must be wangle manually .

To blanch a head , only gather the leaf in your hands as if you were making a posy , and stick them together above the headspring . apply rubber bands or string , and be sure to leave room for air circulation .

The musical theme is n’t to snug them up , but to shade them from the sun .

Peek in and chequer on them every duet of days . It may be another workweek or more before heads strain the diameter specified on come packet , at which meter you may unbind the leaf and set up to harvest .

translate more about blanching cauliflower head in our guide .

Companion Planting

Cauliflower is aplant that emits allelochemicalsthat may have a detrimental effect on neighboring plants , and on the landscape land site itself .

This feature , plus its motive for abundant nutrients and urine , make cauliflower a pitiable companion for industrial plant like other brassicas , corn , cucumbers , capsicum pepper plant , squash , strawberries , andtomatoes , which may be adversely affected by the allelochemicals , and would vie for intellectual nourishment and water .

Ideal companions include those that are suitable for growing alongside broccoli : beet , Apium graveolens dulce , Chamaemelum nobilis ,   culinary salvia , dill , garlic , hyssop , fennel , marigolds , genus Nasturtium , onions , oregano , potatoes , rosemary , thyme , andyarrow .

Just do n’t institute your broccoli and cauliflower together , or they ’ll battle it out for the nutrients and moisture in the soil .

See ourguide to cauliflower companion plantsfor more data .

Container Growing

In addition to growing in the garden , the shallow origin ofB. oleraceavar.botrytismake it   a good container harvest .

Just call up that these plants must have consistently moist ground . This poses an extra challenge , as a container will typically dry out faster than earth soil .

Choose a pot that can fit your choose cultivar ’s matured dimensions , with a profoundness of at least eight column inch . Be trusted that it has one or more drain hole .

show to grow cauliflower in containers in our guide .

Growing Tips

Cultivars to Select

From classic whiteness to cheddar orange , Citrus aurantifolia green , and purple , there are many cultivated varieties ofB. oleraceavar.botrytisfrom which to choose .

Here are two to debate :

Flame Star

‘ Flame Star ’ is an exceptionally heat tolerant orange variety that grows in full sun . Its generous seven - in head have an specially nutty , almost buttery flavor .

‘ Flame Star ’

plant mature to a height of 12 to 14 inch , with a bed cover of 12 to 18 inches . They are harvest - ready in 55 to 60 days .

Find ‘ Flame Star ’ available from Burpee . Choose from 50 - seminal fluid packet or six - works bundles .

Snowball Self-Blanching

‘ Snowball ’ is a classic white cultivar that grows best in coolheaded atmospheric condition with full sun . It has foliage that Robert Floyd Curl Jr. around its ample six- to eight - inch head , ego - blanching them .

As this type prefers cool weather condition , it is advocate that seeds be started indoors , so maturity takes place when the conditions is as cool as possible .

‘ Snowball Self - Blanching ’

plant achieve mature attribute of 24 to 30 inches marvelous and 12 inch wide-cut . They are ready for crop in 65 to 75 days .

discover ‘ Snowball Self - Blanching ’ now from Burpeein packets of 100 seeds .

you’re able to find more selections for your veggie patch in ourguide to cauliflower salmagundi .

Managing Pests and Disease

As with all shekels relative , B. oleraceavar.botrytisis prostrate to gadfly and disease , posing additional challenges to successful ontogeny .

If you notice discoloration , wilting , or hole in the foliation ; damage to the root or roots ; or insect plague or egg , take immediate natural action .

Some disease - carrying plague may reduce leave to skeleton in the cupboard before tunnel into the headspring , while others attack at the root level .

Here are some pests you may encounter :

There are preventative measures you’re able to take to make your garden less attractive to these pests , including avoiding over- and underwatering , and keep the area detached of Mary Jane and debris .

In addition , there are both chemical and   biologic discussion to consider .

One biological answer involves planting umbel flowers , like yarrow , with flattened flower head full of lilliputian blossoms that draw the parasitoid wasp .

This petite pest is a predatory power plant that lays its nut in soft - bodied Brassica oleracea botrytis pests , cause their demise in the physical process .

See our guide to cauliflower pests for more detail .

Diseases to be on the lookout for include :

Many of these conditions can be deal with prophylactic measures , as well as biological and chemical treatments .

Consult our guide to cauliflower disease for more information .

Harvesting

Use   seed packet data   as your templet to the approximate number of day to maturity and expected head size .

When these benchmark have been reached , and you have a orotund head of dense , curd - comparable flesh , it ’s time to harvest .

To harvest a head , use a clear knife to make a clean snub across the stem a few inches below the head .

Some kinsfolk like to leave a good length of prow and some leaves attached , as they are practiced to eat . Others allow for most of the stem turn and all the leaves behind with the hope that side shoots may sprout .

While this is likely with broccoli , cauliflower is normally a one - and - done plant .

Read more about harvesting Brassica oleracea botrytis in our guide .

Storage

It ’s best to exhaust a homegrown vegetable the day it ’s piece .

However , you may glean your Brassica oleracea botrytis and wrap it , unwashed , in moist report towel , and then stash away it in the low - humidity crisper bin of your electric refrigerator . It should persist fresh for up to one week .

Alternatively , you could freeze your crop .

Here ’s how :

Recipes and Cooking Ideas

Cauliflower is a mild and versatile cruciferous vegetable that is packed full of alimentation and can be prepared in many direction .

Here are three recipes for you to try :

Tangy , creamy , and burst with lemon yellow gusto , you ’re sure to enjoy mozzarella - smothered creamy rice cauliflower stuffed peppers . Get the recipe now fromour sister site , Foodal .

Crisp baked easy vegan cauliflower Buffalo extension with lime tree make a zesty barbecue appetizer with their additional - spicy cayenne sauce . Find therecipe on Foodal .

And texture - barren Indian spiced cauliflower fried Elmer Rice with cashews and coconut meat is a multi - superimposed cherubic and mouth-watering compounding infused with thawing , anti - inflammatoryturmeric , gingerroot , and garam masala . you may find this recipeon Foodal as well .

Quick Reference Growing Guide

Meeting the Challenges

You now have all the guidelines you need to hit out on your own and grow a fine craw of delicious Brassica oleracea botrytis in the colors of your selection .

When select seeds , gauge the length of time your climate stays “ just good ” for plant to ripen .

And while it may be tempting to select one of today ’s tight - maturing cultivar for spring planting and a summer harvest , some folks swear that a fall harvest of a tried and true slow - growing variety is the only way to go when it fare to conducive temperatures and outstanding relish .

Protect your crops from the first with quality seminal fluid and sanitary drill . Sow in stain that ’s not too acidic , ensure adequate drain and air circulation , and consider using dustup covers for an added layer of protection from pests and disease .

Make way for a few cauliflower plants in the vegetable garden this year . You eff how to run into the challenges and are ready for achiever .

Want more information ongrowing Brassica oleracea botrytis ?   Be trusted to check out all of our template   including :

photograph by Kelli McGrane , and Katherine and Eddie D’Costa © need the Experts , LLC . ALL RIGHTS RESERVED.See our TOSfor more contingent . Originally published March 11 , 2019 . Last updated January 10th , 2022 . production photos via Burpee and Miracle - Gro . Uncredited photo : Shutterstock .

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Nan Schiller