There is nothing more delightful on a warm summer’s evening than eating barbecued home-grown sweetcorn; the juices and melted butter dribbling down your chin. This crop is simple to grow and a great one to involve children in. You’ll have the kids eating vegetables in no time!
Sweetcorn is a type of maize and it produces its cobs of yellow kernels nestled among leaves on very tall 1.8m (6ft) stems. There are usually one to three cobs produced per stem.
The top of the plant produces tassels, which are the male flowers, the female parts are the silks sticking out of the immature cobs on the plant below the tassels.
The pollen from the male part of the flower has to land on the silks to pollinate the female flowers and swell the cobs. This is done by the breeze blowing the pollen on to the silks. It is for this reason that sweetcorn needs to be grown in a block formation and not just in a single line.
‘Extra Tender and Sweet’
A quick germinating variety and said to be superior in taste and having better vigour than other varieties.
A super sweet type that is high in sugars and produces red and purple kernels among the yellow ones.
Sweetcorn is best sown under cover to get it growing quickly before planting out. It is a crop that needs a long and warm season to do well.
Sweetcorn does not like root disturbance so sow into special Rootrainers, which are long, deep pots that open up like a book. Otherwise make your own pots out of rolled-up newspaper or even toilet roll tubes.
In April no extra heat will be necessary. When the seedlings emerge remove the weakest to leave one per pot. Keep the compost moist and grow on in the best well-lit windowsill you have or place in a cloche or mini greenhouse outside.
At the end of May or beginning of June when no more frosts are likely, sweetcorn can be planted out.
As the crop grows keep the soil moist but especially when the cobs are forming; drought at this stage will cause shrivelled or undeveloped cobs. The stage to pick sweetcorn is critical (see fact file for details). Eat the cobs soon after harvesting.Enjoy more Kitchen Garden reading in the monthly magazine. Click here to subscribe.
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