Established in 1981. One of the main wholesaler / supplier, importer / exporter of plants and landscaping materials in Singapore. HH is a wholesaler of plants, pots, landscaping materials and landscaping services. Specialise in: Wide range of trees and shrubs, ornamental and aquatic plants, pots, planting mediums, and other gardening tools and accessories. Hand-crafted products & stone carvings from South East Asia. Rental of plants for display on special occasions and functions. Landscape Design & Construction.