I have some Apple Blossom Yarrow that isn't by any means aggressive. Mostly red with tiny yellow centers.

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The red yarrow I grow is called 'Paprika'. Starts out Ruby red fading to strawberry pink and eventually a beige terracotta. A clump looks like a designer bouquet:) Newer yarrows on the market are clumpers, but they really need poor dry soil or they still tend to flop over onto their neighbors.

There are some really spectacular red dianthus which are blooming right now around here...

Beautiful photos of the Apple Blossoms tngreenthumb. thanks for the advise regarding dry soils Heather. I'm liking the idea of a red yarrow more and more.