A florist to the royals has predicted what she believes the flowers for Meghan and Harry’s upcoming wedding will be.

Pastel colored roses, irises and sweet peas, all typical English flowers, will be a part of the displays, according to Sue Barnes of Lavender Green Flowers.

Barnes decorated the church for Pippa Middleton's wedding ceremony, as well as that of Prince Edward and Sophie Rhys-Jones.

She says the wedding is a "huge opportunity" for Markle to show off her personality.

"I think that it's going to be seasonal," Barnes said. "It's going to be natural.  it's going to be timelessly beautiful. It’s going to be pretty classic. You're not going to see hundreds and hundreds of the same sort of flower."

Barnes also thinks that some personal favorites of Prince Harry's mother, the late Lady Diana, will feature in the displays.

"I think [Diana] had a number of favorite flowers but there are one or two really important ones that I know are key,” Barnes said. “I think white roses, because she was the quintessential English rose, but white forget-me-nots were a big part."

The florist also suggested viewers will see many flowering plants.

"So at Kate and William's it was trees — I think this time around it is going to be flowering plants," she said. "And as many gathered from the gardens of Windsor Castle, Buckingham Palace [and] Sandringham as possible.”

Markle will be very hands-on when it comes to picking the flowers, Barnes predicted.

"She's going to be involved in every single part of the process, hence wanting to make her own speech. I think she is going to break the mold."

The ceremony will take place at noon on May 19 at St. George's Chapel, Windsor Castle.

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