LESCO Native Perennial Wildflower Mixture Seed. Few things in the green industry are more frustrating than a seed that never germinates, wasting valuable time, labor and money. That’s why LESCO uses unmatched research and development, advanced testing and unparalleled growing and clean seed standards to ensure the highest seed quality. As a result, our seed products achieve the highest germination percentages in the industry. LESCO contracts directly with seed breeders, R&D experts and university researchers to painstakingly select the highest-performing new varieties, in order to meet and exceed our customers’ expectations. We rigorously test seed samples to guarantee quality.