More than half - 53 per cent - of people in the UK eat an apple each week and almost a quarter (24 per cent) of Britons who eat apples enjoy eating them because they can buy home-grown varieties.
Yet 41 per cent of people who eat apples find it difficult to pick out British-grown varieties. For example, 61 per cent of adults thought the Granny Smith was grown in UK soil - in fact, it originates from Australia.
Similarly, almost a quarter of people (23 per cent) thought that Pink Lady was grown in the UK.
The survey also showed that 68 per cent of people who eat apples enjoy them for their juicy, crunchy texture and 40 per cent for their convenience, with nine per cent even eating the core.
Yet 25 per cent of adults are put off apples because they turn brown as they start to eat the flesh and a quarter (25 per cent) of 18-24-year-olds do not eat apples at all.
National Trust 'How to Eat an Apple' guide
The National Trust, as part of its Food Glorious Food campaign that celebrates local and seasonal food, has launched a "How to Eat an Apple" guide to encourage people to buy British-grown varieties. The information includes:
- The British apple calendar, so people can make the most of the UK harvest.
- The different apple flavours and how best to enjoy them.
- New recipes and ways of eating British apples.
- How to preserve our harvest across the year.
National Trust director general Fiona Reynolds said: "British apples are now being harvested and we're spoilt for choice with flavours. Whether it's the rich, sweet Cox or the nutty Egremont Russet, we urge everyone to enjoy home-grown varieties throughout the day.
"We need more people to help protect our orchards - 70 per cent of apples bought in the UK are imported. This must change."