New plant development is essential to ensure the future of trees. The Daniel P. Haerther Charitable Trust New Plant Development Program, a key endeavor of the Growing Brilliantly campaign, develops hardy trees and shrubs to tolerate difficult urban growing conditions through resiliency to pests and diseases and adaptability to a changing climate. Ultimately, the Daniel P. Haerther Charitable Trust New Plant Development Program will create and share lasting solutions to challenges brought on by invasive species, pests, diseases, and human impact.