I late got an email from an Epic Gardening reader with a conversant question . When I first start gardening and did n’t know how to start up seeds , I had the same question :

Sally , that ’s a great question ! Knowing the answer will assist you find out more about gardening and set off seeds in general , because it depends on an important idea : sprouting rate .

Cauliflower is a delicious and nutritive vegetable that is enjoyed by many . However , getting a good harvest from your cauliflower plants want right planting technique . One key question is how many cauliflower seed to plant per yap or mobile phone when starting the plants . This article will cater a complete templet to planting Brassica oleracea botrytis seed successfully .

how many cauliflower seeds per hole

When to Plant Cauliflower Seeds

Cauliflower is a coolheaded weather harvest that takes around 2 - 4 month to reach maturity This means seeds should be started based on your target harvest period

For fountain harvest , direct sow seeds in recent wintertime or start indoors 6 - 8 weeks before last Robert Lee Frost day of the month .

For capitulation harvest time , direct sow in mid to late summer or start indoors in early summer .

how many cauliflower seeds per hole

Many gardeners prefer get going cauliflower indoors as it gives more control over conditions and avoids pest legal injury

How to Start Cauliflower Seeds Indoors

Fill containers with moistened seed starting mix .

flora seed 1/4 - 1/2 inch inscrutable , spacing 2 - 3 seed per cell or compartment .

Maintain soil wet and ply plenty of luminance .

how many cauliflower seeds per hole

Thin to 1 plant per cell once seedlings egress .

indurate off plants for 7 - 10 days before transplanting out of doors .

Timing for Indoor Seed Starting

For spring crop , start seed indoors 6 - 8 weeks before your last expected Robert Frost appointment .

For descent harvest home , start seeds 12 - 14 weeks before your first have a bun in the oven twilight Robert Lee Frost .

This timing allows plants to grow declamatory enough for transfer on docket .

Direct Sowing Cauliflower Seeds Outdoors

Prepare filth by immix in several inches of compost or other constitutive matter . Cauliflower needs nutrient - rich soil .

Wait until soil has warmed to at least 45 ° F before sowing .

industrial plant seeds 1/4 - 1/2 in cryptical and 12 - 18 inches aside in rows spaced 30 - 36 inch apart .

Drop 2 - 3 semen per planting hole and thinly later .

Keep soil systematically moist for right sprouting .

tenuous seedlings to 1 plant per hole after emergence .

Timing for Direct Sowing

For spring harvest , direct sow 2 - 4 hebdomad before your last expected frost escort .

For autumn harvest , sow in mid to late summer based on day to maturity date for the form planted .

How Many Seeds Per Hole When Planting Cauliflower?

The recommend routine of cauliflower seeds to plant per yap is 2 - 3 seed . Here ’s why :

Planting multiple seeds improves sprouting rate in case one fails .

Extra seeds allow you to select and retain the strongest seedling after thin .

Spacing seed 2 - 3 column inch aside reduces beginning disturbance when thinning subsequently .

dilute down to 1 industrial plant per muddle 2 - 3 week after emergence .

Proper cutting and spacing of cauliflower is critical :

After seeds evolve , thin down to 1 works every 12 - 18 column inch .

distance rows 30 - 36 inches apart .

Avoid overcrowding , which stimulate smaller heads .

Thin gradually over 2 - 3 weeks to bring down graft shock .

Water industrial plant well after thinning to help retrieval .

Provide Consistent Moisture

Cauliflower requires consistent soil moisture throughout its growth :

Water transplants frequently after planting .

Use mulch to keep up wet once plants set up .

Provide 1 - 2 inches of water per week if rain is lacking .

Avoid water stress , which causes short growth and loose , ricey curd .

Control Pests and Diseases

Cauliflower can be susceptible to sure pestis and disease :

chou worms – practice BT spray or row masking

Clubroot – Rotate planting areas to prevent this fungal disease

Downy mould – ameliorate zephyr circulation and annul wet foliage

Cutworms – Use cardboard collars around seedlings

Aphids – Blast off with pee , use insecticidal soap

Harvest at Proper Maturity

Check head oft as they mature and harvest straightaway when tight and firm .

switch off heads with 4 - 6 inches of stem attached .

Store at 32 - 40 ° F with high-pitched humidity for 2 - 4 week .

Get a Jump Start for Next Year

At ending of season , save some come to start indoors next class .

white and shop seeds in a nerveless , ironical berth over winter .

Answer Two: Seedling Selection

Just as not all seeds are created adequate from a sprouting point of view , not all seeds bourgeon equally . Sometimes you have a seed that shoots off like a rocket and becomes too tall-growing . If this was the only ejaculate in your insert , you ’d be wedge to utilise it .

you may pick the seedlings that look the strongest by planting two to three seed in each cell . You just call for to foot the one you like best and cut off the other seedlings to kill them while the ones you chose grow .

Answer One: Seed Germination Rates

Not all cum are created equal . Some plant species have higher germination rates than others . Some seeds from the same type of flora are honest-to-goodness than others , which slows down the pace at which they burgeon forth .

Imagine you ’re growing arugula microgreens and the median germination rate is 90 % . Just 65 of the 72 plant cut-in in a 72 - plant starter tray will in reality sprout if you plant one arugula cum in each one .

Now reckon you implant multiple seeds at three garden rocket seeds per insert . Every one of these germ has a 10 % chance of failing , which intend the chance of all of them failing is only 20 % . 1 % . This means that you are 99 . 9 % likely to have the seeds in that cell germinate . So , in a tray with 72 insert , it ’s very unlikely that any seeds would not spud , unless there are other things that hold back semen from germinating .

In short : Plant multiple source per hole to increase the chances you have thoroughgoing sprouting rates .

How I Grow Giant Cauliflower From Seed To Harvest – Step-By-Step Cauliflower Guide

FAQ

How many seed to put in each hole ?

How many cauliflower heads do you get from one industrial plant ?

What is the secret to growing cauliflower ?

Should cauliflower seeds be rob before planting ?

How many cauliflower seeds should I plant ?

When starting indoors , inseminate 2 to 3 cauliflower seeds up to 1/2 an inch deeply in little nursery pots or seed starting tray / flats . Keep pot soil evenly moist but not soggy , which could cause seed or seedlings to waste . If multiple ejaculate germinate , thin to 1 Brassica oleracea botrytis seed per quite a little / electric cell .

How far apart do you implant cauliflower ?

If multiple seminal fluid develop , lean to 1 Brassica oleracea botrytis seed per pot / cell . If directly sow outdoors , again sow 1/2 an in deep , 2 to 3 Brassica oleracea botrytis seeds ( more if your seeds are old ) at least 18 inches asunder or more . To transplant cauliflower seedlings , space them 18 inches or more apart in well - draining , rich stain .

How late do you engraft cauliflower germ ?

Cauliflower seminal fluid sprout well when sow indoors , planted 1/2 inch ( 1.25 cm ) deep , and rather at least 2 to 3 semen per planting hollow and lose weight out to one sprout after . you may sow cauliflower direct alfresco ( under wrangle covers or plastic ) , but for best success , you should start your Brassica oleracea botrytis seeds indoors and transplant after .

How many seedlings should a plant have per hole ?

All you have to do is determine which one you like the most , then snip off the other seedling to pop them as your other plants raise . The number of germs per prison cell will vary ground on the metal money . Like most things in horticulture , there are always exception to this rule of 2 - 3 seeds per pickle .

How many cucumber seeds should I embed per golf hole ?

When planting cucumber seminal fluid , it ’s recommended to only plant 1 seed per hole . Due to the size of the source , overlap with multiple semen can obstruct sprouting . you may plant each seed nearer together though .

How much urine do you need to farm cauliflower ?

Sow three or four Brassica oleracea botrytis seeds one half - in inscrutable every 18 inches in row . Space row two to three feet apart . Once the plants are established , reduce them to one plant for every 18 inches of the course . Consistent wet will produce a hearty head . flora should get an inch of water each week .