Keep well watered and mulch in dry weather.
Plant in a location that enjoys full sun and remember to water often. Keep in mind when planting that Early Extra Sweet F1 is thought of as tender, so remember to wait until your soil is warm and the night time temperature is well above freezing before moving outside. Planting Early Extra Sweet F1 in loamy and clay soil with a ph of between 6.5 and 7.5 is ideal for as it does best in weakly acidic soil to weakly alkaline soil.Sow seeds 4cm deep in 7cm pots with free draining compost keep at 18 to 20C germination after 7 to 10 days. Do not exclude light. Sow three seeds to each pot.
Can also be sown directly once the soil has warmed up. 5cm deep 15 cm apart. Best grown in blocks with a minimum of 10 plants to ensure sufficient wind pollenation
By our calculations, you should look at sowing Early Extra Sweet F1 about 10 days after your last frost date.
Plant in blocks. Sweetcorn is wind pollenated and this must be adequate to provide a well covered seed head
Requires full sun
Test a seed by squashing it with your nail. If milky juice comes out it is ready. Also the female tassel flowers will have changed colour. Carefully snap off the ripe ear, taking care not to damage the main stem
This variety tends to be ready for harvesting by early autumn.