The Royal British Legion's Poppy Appeal launched last month, with millions across the country wearing one in the build-up to Remembrance Sunday.
Thousands of volunteers have been helping distribute the paper flower ahead of November 11, an annual event to commemorate those who have died in war.
This year's event has taken on extra significance as it marks the centenary of the end of the First World War, with Remembrance Sunday and Armistice Day being held on the same day.
Here's everything you need to know about the Poppy Appeal.
What is the Poppy Appeal?
First held in 1921, the Poppy Appeal helps members of the public pay their respects to the war dead and raises money for service men and women.
Poppies are worn because they are the flowers which grew on the battlefields after WWI ended.
The Royal British Legion, founded in 1921, is the charity which runs the Poppy Appeal each year and it gives the money to the service women and men who are still alive and whose lives have been changed by war.
The first appeal, which featured poppies made of red silk, was an instant success and managed to raise more than £106,000.
When does the Poppy Appeal start?
This year, the Poppy Appeal kicks off on Thursday, October 25.
Where can I get a poppy from?
The poppy will be distributed at a whole raft different locations across the UK, including at supermarkets, train stations, shops, high streets and online at poppyshop.org.uk.
You can donate to the Royal British Legion by buying a poppy here.
It sells for a suggested minimum donation of £1, with the proceeds providing veterans and their families with emotional and financial support.
You can also make an online donation by calling 0845 845 1945 or by texting POPPY to 70020 to donate £3, or 70111 to donate £10.
Why do some people wear a white poppy?
In recent years you may have seen a number of people wearing a white poppy instead of a red one.
The white poppy, first produced in 1933 by the Women's Co-operative Guild, is a pacifist symbol designed to represent lasting piece.
The Peace Pledge Union, which distributes them today, say they "represent remembrance for all victims of war, a commitment to peace and a challenge to attempts to glamorise or celebrate war."
What is London Poppy Day?
The Royal British Legion's London Poppy Day will be held on Thursday, November 1 this year.
Billed as the "largest one-day street collection of its kind in the UK", around 2,000 people will be helping to raise more than £1 million for the charity.
A number of events will be held on the day and you can follow updates on social media with the #LDNPoppyDay hashtag.
