Berkshire Partners, a private equity firm, agreed to invest in Fast Growing Trees, an online retailer of trees and shrubs. Cove Hill Partners, a private equity firm, will also participate in the transaction as a minority investor. Summit Park will also continue to be an investor in the company. Financial terms were not disclosed. “We are pleased to have the opportunity to partner with Adam and the company. Fast Growing Trees has built its reputation as a disruptor in the DIY live goods retail market, and we share the company’s vision of delighting customers by offering them top-quality products delivered right to their homes," Josh Lutzker, Berkshire Partners Managing Director.