OCD is not an adjective. It is not a personality quirk. It is not synonymous with being organized. It is a complex and debilitating mental health illness that affects people of all ages and walks of life, and is defined by the presence of unwanted, intrusive thoughts and repetitive actions. I am an OCD warrior and I fight for my son.
roses definitely smell (and not in a good way IMO), there's tons of freesia-scented stuff out there. no clue about sweet peas or poppies, but i'll go along and say poppy