If you ’ve plant cabbage and hold back patiently for it to mature , it ’s disappointing to receive that in seat of the crisp head that you ’d hoped for , you ’ve got a lot of leafy greens rather .

Why does this go on and what can you do to prevent it ?

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A close up horizontal image of cabbage growing in the garden in rows.

Continue reading to learn what may stunt head formation on dough and step you could take to prevent this from occurring .

Reasons Why Cabbage May Not Form Heads

Cabbage , ( Brassica oleraceavar . capitata ) , is a phallus of theBrassicacae familyof cruciferous vegetable and is known for its crisp , round heading .

A coolheaded atmospheric condition crop , it is available in anumber of dissimilar varieties , from small , thickset , early - maturing type , to large late - season cultivar suited fora winter harvest .

Leaves may be flat and smooth , develop into tight , drum - like heads , or crinkly in the caseful of Savoy type .

A close up vertical image of a cabbage plant growing in the garden with an abundance of leafy greens but no sign of the formation of a head. To the center and bottom of the frame is green and white printed text.

There are a diverseness of reasons why these plants sometimes go bad to form heads , and it can be a flake knavish to diagnose precisely why . In most cases , however , the leaves are still edible and can be prepared in a like manner tocollard greens .

The first affair to hold isyour seminal fluid packetfor the expected time to maturity of the variety you ’re growing . In some cases , it just requires a trivial more fourth dimension and patience !

Cabbage is well planted in the spring or fall down and requires 60 to 100 days to reach maturity , reckon on the variety .

A close up horizontal image of a head of Savoy cabbage growing in the garden ready to harvest.

Plants opt well drained , fertile soil with a pH of 6.0 to 7.0 . For more info onhow to grow cabbage , check out our guide .

If your flora are not form header , here are a few possibilities to regard :

1. Hot or Cold Weather

When the conditions becomes too hot or too cold for a prolonged period , plant stop over growing and may run out .

Bolting happens when plants become distressed , causing the plant to devote energy to seed production rather than make a head .

To avoid this peril , flora need a couple of months between 45 ° F and 80 ° F , ideally with fairly even temperature between 55 ° F and 65 ° F . Prolonged stop of temperatures below 45 ° F or above 80 ° F may get the plant to bolt .

A close up horizontal image of the yellow flowers of a cabbage plant that has bolted pictured on a soft focus background.

match your germ packet for the issue of years to matureness , andplan to sow seedsor set out transplantation so that heads will be quick to harvest before hot summertime temperatures or hard freezes .

It is also possible to get a head start on the time of year bystarting seeds indoorsin early spring , about eight to 10 calendar week before the last expected freeze , then planting out in the garden a two to three weeks before last frost .

you’re able to use Robert Lee Frost covers or shade cloth to help protect your plant from unexpected extreme temperatures .

A close up vertical image of cabbage seedlings growing under floating row covers to protect from frost.

2. Lack of Water

Developing heads require a circle of piddle . Sometimes , if read/write head are not forming , the plants may simply be thirsty .

Provide works with one and a one-half inches of water a hebdomad in the absence of rain , so that the soil is equally moist , but not waterlogged . Consider usingdrip irrigationto provide consistent moisture and prevent the soil from drying out .

You canapply a thickheaded level of straw , smoke clippings , or otherorganic mulcharound the base of plant to help maintain even wet in the soil .

A close up horizontal image of a garden bed with drip irrigation installed to water crops.

Conversely , too much water supply or dirt that does n’t drain well can encourage bacterial and fungal disease leading to solution rotting , as well asattack from slug and snails .

3. Nutrient Imbalance

Adequate nitrogen is important for plants to grow levelheaded foliage , particularly when they are young .

If the leaves appear small and/or yellow , deficiency of nitrogen may be to charge .

On the other hand , too much nitrogen during headspring geological formation can cause overweening leafage growth at the expense of developing mind , so overfertilization can be an issue too .

A close up horizontal image of cabbage leaves infested with caterpillars.

The good elbow room to ensure balanced nutrient is to integrate organic material into garden bed prior to planting and side attire with compost every few weeks .

convey a soil testbefore planting to condition the nutrient level in your stain , and amend accordingly .

You may also apply a diluted solution of a balanced 10 - 10 - 10 ( NPK ) liquid fertilizer orcompost teaevery few week .

A close up horizontal image of a purple cabbage head growing in the garden ready for harvest.

3. Overcrowding

check that you allow adequate spacing between plants to provide for plenteous airflow and to reduce competition for water and food .

Inadequate air flow can go to the ontogenesis of fungal diseases that may stress the plant and make it to fail to bring forth a head .

In oecumenical , you need to go forth 12 to 18 inches between plant life to countenance for sizable ancestor development and air travel circulation .

5. Pests and Disease

It is authoritative to protect youthful plants from insect pests and herbivores , as well as to transplant cautiously to avoid damaging the nitty-gritty stalk .

If foliage becomes damage early on by pesterer such ascutwormsorcabbage loopersit may over stress the plant life and prevent it from organize a head .

To reduce the risk of pests devour your crop , avoid planting near other brassicas . you may also help repel unwanted dirt ball by implant near redolent herbs such asrosemaryorsage .

you may instruct moolah pests and how to master them in our guidebook .

Additionally , some common disease such as clubroot can stunt growth and inhibit head formation .

Clubroot is because of soilborne fungus , and unfortunately , there is no known cure .

The best root is prevention : Rotate crops , take resistant germ , and keep the grease at a pH around 6.8 or above , since this pathogen thrives in acidulous soil .

Learn how toidentify and prevent common cabbage disease in our guide .

Stay A-Head of the Game

While sometimes problems happen that are out of your control , you’re able to greatly cut down the risk of a brainless cabbage by taking preventative measure such as produce during cool weather condition and providing adequate piss .

Still have interrogative aboutgrowing cabbagein your garden ? Check out these articles for more utilitarian entropy :

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Heather Buckner