Geraldine Mullan calls it her "Field of Hope" - a 2.5 acre field in Co Donegal, normally used to grow potatoes and barley, now home to thousands of sunflowers reaching for the sky.

A splash of yellow on the Inishowen Peninsula at Quigley's Point between Derry and Moville. A thing of beauty born out of tragedy.

Just a few hundred metres away is the spot where John Mullan and his two children, 14-year-old Tomás and six-year-old Amelia, were killed after their car went off the road and into Lough Foyle.

Geraldine managed to escape from the car but lost her family.

A roadside monument marks the place where the tragedy happened two years ago next weekend.

Inspired by her daughter's love of sunflowers, Geraldine decided to also create a living tribute.

The sunflower field can be seen from the scene of the accident.

"I look for a little bit of hope each and every day, so for me this is the field of hope," she says.

A local farmer donated the land for what she describes as a labour of love.

Friends have helped plant and maintain the crop and carve out a pathway that spells the word "Hope".

Seeds from a sunflower grown by her young daughter are among those sown in the field.

Amelia and Tomás had been growing the flowers to enter a competition under the watchful eye of their father, who owned a garden centre.

"They looked after the flowers all summer and it was just about a week shy of the accident that we sent in the photographs for the competition," Geraldine explains.

"Out of one sunflower I kept I got 170 seeds last year. It's very poignant for me because it was Amelia's favourite flower."

A poem about Amelia's love of the sunflower was written by Geraldine's brother.

She recites it while standing in the middle of the field. This is part of it:

"Hey there little sunflower, will you help me smile today?

"Brighten up our gardens and chase those blues away

"The hours are long and lonely, and they cast a cloudy grey

"Hey there little sunflower, will you help us smile today?"

Catherine Carlin is one of the friends who have helped with the project.

"Geraldine's husband John used to say, plant a seed and see where it goes and in this case the seed was a conversation," she says.

"We weren't sure they would grow, but they have and we are absolutely delighted with the outcome. It's a very unusual sight to see in Donegal.

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"A very special person once told me that sunflowers follow the sun during the day to help them grow and that when they can't do that, they turn towards each other, which is something that we could all learn to do, to turn to each other, to support each other."

The field will be opened to members of the public to visit next weekend, the second anniversary of the tragedy that robbed Geraldine of her family.

As well as marvelling at nature's sea of yellow, she says she hopes those who visit will take a sunflower home to spread the message of hope.