Sustainable Nursery and Garden Center Harlequin’s Gardens is a family nursery and garden center in Boulder, Colorado dedicated to natural and sustainable gardening for our region. We specialize in native plants, organic vegetable and herb starts, xeriscape, hardy roses, Colorado-adapted and unusual perennials, fruit trees and berry bushes, groundcovers, hardy cacti, and seeds. We also offer Earth-friendly products to support your plants: soil-building products, composts, mulches, fertilizers; books by local authors; non-toxic pest-management supplies; and good advice.