Although both flowers are in the same month, October, they have different looks and meanings. Marigolds feature bold, vibrant colors and symbolize passion, confidence, and positivity. In contrast, cosmos have more fragile and airy flowers which symbolize peace, balance and harmony. The marigold is commonly seen in fall fallow, fall planting, and fall festivities, whereas Cosmos are noted for its graceful beauty and calming presence. Knowing these differences can help you choose the right flower for the desired message or sentiment. know more about october birth flower