Oops should have had a comma between the two.... peonies, daisies, sweet pea also I believe. You could mix mauve with purple and lavender, montecassino comes in a light lavender and Status comes in dark purple light purple and kind of a mauve, are you could always use silk flowers :-)
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I grow purple roses in my yard. Koko loco is another purple rose that is mauve. It's the same color. Both have a very light neutral smell.
I recommend koko loco more if you want to grow it after the wedding. It's a interesting rose because it's a color changing rose that goes from light mauve purple in it's first bloom to a darker mauve towards the end. Color changing roses are cool and that's why it's called koko loco. It won't change colors after it's cut. Rainbows end changes from yellow to orange to red in the same plant blooms.
I also grow posidon purple roses (purple) and twilight zone roses (dark purple). They are on the strong end. There are about 10 purple roses I know about