Possible Clues:

• Plant ashes in these places?
• Composite chapter on fashionable period with elevated manner
• Plant of the daisy family, cultivated as a winter-flowering pot plant
• Plant with brightly-coloured flowers and down on its leaves
• Rain I care about -- needed for plant
• Queen into arnica, I suspect, as a plant
• Sounds as if this blooming space is for those that sin