All answers contain "cul"

[mcdougall]

5. Far reaching aid (10)
6. Hot period between July and September (9,4)
15. G.A.O'Dowd was it's leader (7,4)
21. To lie low (5)
31. Not controlled by the church (7)
37. Production of wine (11)

[MarkRae]

I bet this quiz goes down a storm in France...

[Fibonacci]

15 Culture Club

[bert_h]

31 SECULAR
37 VINICULTURE

[JMR27]

21. skulk
37. viticulture

[bibblebub]

15) culture club
31) secular
37) viticulture

[MASS1961]

21 sculk

[MarkRae]

21 I bet this is 'sculk', even though that is properly spelled 'skulk'

Does 15 really say "it's leader" with an apostrophe...?

[Fibonacci]

6 canicular days

[MarkRae]

6 Carnicular days

[bibblebub]

6) canicular days

[joggerjayne]

//I bet this quiz goes down a storm in France...//

Oh, bum ... when I saw the title of the thread, I was going to post something along the same lines.

I should've known MR would be straight in there.

(hopes that someone will get the "Oh, bum" gag)

[wardlaw]

Yes get the 'bum' bit LOL

[Mamyalynne]

Or you will give them 'De sac'?