What is the best flower to put on the manhole cover?

oleander

Plant some drought-tolerant and shade-tolerant flowers, such as oleander, pink peach, crape myrtle, wisteria, purple grape and bauhinia. These flowers are not only drought-resistant and shade-resistant, but also brightly colored, bringing beautiful visual effects to the wellhead.

A flower is a plant. They usually have beautiful petals, fragrance and different colors and shapes. Flowers can help improve air quality and increase the beauty of beautifying the environment.