As @Naftponk describes it "Rose metadata is generated on chain in the contract as base64 json that gets decoded by marketplaces and wallets to updates the series of 28 (14x2) images aligned to the current moon cycle”
The first rose of the series is a tribute to an artist that passed away. A single rose taken from the funeral, and the memories it represents, are now immortalized on the blockchain. The second, a vibrant red rose, symbolically marks new beginnings.