What flowers are best for guerrilla gardening?
Annual flowers — zinnias, cosmos, sunflowers, poppy, and larkspur — will come up and bloom in a rugged spot without attention. Perennial coneflowers, bee balm, and black-eyed Susans tolerate drought and neglect, bloom for weeks, and provide seeds for birds and nectar for butterflies.
cultivate, land such as abandoned sites, areas that are not being cared for,
new purpose or reclaim land that is perceived to be in neglect to make the area more useful or attractive,
– the gardeners, cultivate land,
the act of gardening – raising food, plants, or flowers,