The dazzling red, orange and yellow jewel tones of autumn might be a little muted this year due to some unusual weather patterns, and that's causing some stress for fans of fall foliage.

If trees don't turn, "quite a few people will be disappointed," said Jessilynn Wong, a Toronto-based photographer who says fall is a busy time of year in her industry because clients want the colourful backdrops.

In fact, Wong told CBC News that several customers have asked her to move their photoshoots to the first half of October to capture what foliage is present, even though she typically does autumn shoots well into November.

"They're worried," she said.

Wong, who recently photographed this couple at Evergreen Brickworks in Toronto, says some customers have asked her to move autumn photoshoots to

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