Sweetcorn is a delicious summer crop that requires ample space and a sunny aspect to thrive, according to a recent gardening article. The author, who does not grow sweetcorn themselves due to lack of suitable conditions, describes homegrown sweetcorn as 'beyond delightful' when freshly picked.
For optimal growth, sweetcorn seeds should be started now in a propagator to ensure warmth for germination. The crop prefers fertile, moisture-retentive soil and plenty of sun. Seedlings over 8cm tall can be planted out once the risk of frost has passed, with fleece kept handy for unexpected temperature drops.
Spacing is crucial for pollination, as sweetcorn is wind-pollinated. The recommended planting method is in blocks of at least four by four plants, with 40cm between each plant. Those with limited space can grow sweetcorn in a row at 20cm spacing, but this results in small, unpollinated cobs, which the author considers not worth the effort.
Plants should be positioned to allow a breeze for pollination, but not in an exposed area where strong winds could snap the stalks, which can grow up to 2m tall. Staking may be necessary in windy conditions.
Sweetcorn ripens from late summer into autumn. Harvest when the silks turn brown and a kernel test reveals creamy liquid; clear liquid indicates more time is needed. Overripe cobs can be left on the plant to dry for making popcorn.
