网站简介：Large estate and botanic garden created by Madame Ganna Walska near Santa Barbara, composed of smaller themed gardens (Japanese, Australian; succulents, cycads, bromeliads, cacti). Education programs, events, visitor information.
网站简介：Extensive information covering pond and waterfall construction, calculators and conversion tables, aquatic plant care, algae control, general pond maintenance, and fish care. Featured shows on the Do It Yourself TV Network.
网站简介：A joint UK-based initiative by the RHS and the Wildlife Trusts giving information, project ideas and a monthly newsletter aimed at attracting more wildlife to domestic gardens.
网站简介：Winter sowing is a method of starting hardy seedlings outside during winter. This site, constructed by one of the method's gurus, documents which seeds are amenable and how to go about it.
网站简介：Landscape & Garden Design Magazine
网站简介：Organization in Houston, maintaining several area gardens, and organizing annual tours, sales, and seminars. Event calendar, and information on gardening and conservation.
网站简介：A collection of theme gardens, including a butterfly house. Map and photos, visitor information, special events and educational opportunities, and bloom schedules.
网站简介：Offers articles about various flowers, mostly tuberous and bulb rooted flower plants.
网站简介：Helps estimate the average date on which to expect the last frost in spring and the first frost in fall to occur in the U.S.
网站简介：Offering composting information and links to web resources on a variety of composting topics. Includes a forum.
网站简介：Non-profit greenspace located two miles from downtown Portland. Among the tree collections, the magnolias and conifers are especially renowned. Offers nature-focused instruction, and information about events and volunteering.
网站简介：Non-profit organization committed to the preservation and protection of native plant communities in South Carolina.
网站简介：Features plant database, event calendar, newsletter, plant rescues, history and message forum.
网站简介：Articles on Roses, gardening information, rose forum, rose photos, rose blog and rose catalog. Gardening tips for all types of roses: old roses, antique roses, english roses and more.
网站简介：Its 650-acre grounds near Philadelphia include a pinetum, a native woodland walk, and various flowering shrub and tree collections.
网站简介：Dedicated to protecting, conserving, and restoring Maryland's native plants and habitats. Includes meetings, field trips, restoration projects, and a list of native plant suppliers.
网站简介：America's oldest living botanical garden features an 18th century farmstead, native plants, wildflower meadow, and wetland. Located in Philadelphia.
网站简介：Features one of the most diverse plant collections in the United States, famous for its rare and endangered species. Information about collections, education, events, mission, and history.
网站简介：Offers information, professional registration and training programs.
网站简介：International society for gardeners in Mediterranean climates. History, membership information, journal contents, news, and event listing.
网站简介：Four community gardens in Boulder (Colorado) offering members an opportunity to garden their own plot. Youth programs, composting project, community food project.
网站简介：Oregon-based organization promoting the growing of fruit at home. Membership information, excerpts from the organization's journal and links to other fruit-interest sites.
网站简介：Information about Missouri's landscape worthy native plants and how to use them to create garden landscapes.
网站简介：A British society with details of membership, shows, and information on cultivation and classification.
网站简介：Gardens and natural areas in Boothbay include fern, wetlands, and native plant shoreland gardens, a collection of rhododendrons, and a trail lined with mosses, lichens, heaths and ferns. Information about the garden, events, and membership.