Colour Medley Quiz (The Benjamin Foundation)

[birdie73]

Have several of these to work out yet so would be pleased with any help.Obviously all include a colour.
1 Unsmoked bacon joint - not unusual (2 words)
10 Is it wise to value this (2 words)
15 Glove found on boggy ground (2 words)
22 Found in sure sedative (1 word)
29 Elusive weed found on bookshelf (2 words)
I have others but perhaps a few answers will give me the push I need to work harder on them.
Thanks in anticipation.

[Mamyalynne]

22 puRE SEDAtive (reseda) pale green colour

[twirlgirl]

greenham common white elephant

[spitza]

1 Green Back

[spitza]

10 White Elephant

[twirlgirl]

scarlet pimpernel

[slaney]

15. Marsh marigold

[spitza]

Think Twirl Girl is right with Greenham Common
Regards

[twirlgirl]

any ideas for found on a dukes coronet or stage of culture.........thanks

[Pea Pod]

For Twirlgirl..coronet... 8 Strawberry Leaves

[kettledrum]

29 Scarlet Pimpernel

[birdie73]

Thanks to mamyalynne , twirlgirl , spitza , slaney , kettledrum & Pea Pod for all the answers. Pea Pod you have now confused me as I had crimson cloth for coronet so will have to look it up again. Twirlgirl I do not have Stage of culture (2 words) yet.
Once again thanks to all , be warned there could be more to come !!!

[wymondham2]

No 8 Emerald City?

[birdie73]

Good thinking Wymonham2 don't know why but I had put topaz rock must have found something on google. Didn't get into town last Friday Jane what a day !!! We started out then decided to go home. I think we're all getting fed up with this weather
I've several more to do on this quiz but have a day or two yet.

[granny grump]

10 fools gold?