Sadly moonflower as a type of morning glory has a lot of distaste amongst the community as an invasive plant, else I would recommend that as one option with making a moon garden. Jasmine flowers are similarly beautiful though being traditionally associated with the full-moon's light, and my bias towards gardenia as it is such a beautiful and potent spiritual plant.
Lunarpunk
Lunarpunk is a subgenre of solarpunk with a darker aesthetic. It portrays the nightlife, spirituality, and more introspective side of solarpunk utopias. It can be defined as "Witchy Solarpunk." Aesthetically, lunarpunk usually is presented with pinks, purples, blues, black, and silver with an almost omnipresence of bioluminescent plants and especially mushrooms
What is Lunarpunk, And Can It Fix Solarpunk’s Problems?
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What is lunarpunk? - Solarpunk Druid
Do you grow jasmine or gardenia? I'd have my nose in those flowers every day!
Buttonbush and rattlesnake master both have spherical white flower clusters that look moonlike. Elderberry too having huge white clustered blooms. Mountain mint is another favorite of mine with fragrant, silvery leaves and white flowers.