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Trees and plants

  • Gardening year begins in winter with learning, planning and shopping

    The gardening year begins in winter, with learning, planning, and shopping. Now is the time to prepare for a more beautiful garden in spring and all through the season.
  • TreeKeepers Help Local Community In The Wake Of Emerald Ash Borer

    Hopeful young oaks and hackberries are taking root in the Lincoln Hill subdivision in unincorporated Milton Township south of Glen Ellyn. They’re a sign of progress, made with help from The Morton Arboretum, toward recovery from the scourge of the emerald ash borer.
  • Arbor Day Plant Sale frequently asked questions

    Arbor Day Plant Sale 2016 frequently asked questions.
  • How to read a plant label

    Each accessioned plant has a small metal tag attached on its south side. These labels include the plant's name, location, and accession number.
  • NEWS RELEASE: MORTON ARBORETUM COMMUNITY OUTREACH VISITS HELP PROTECT NORTHERN ILLINOIS TREES

    LISLE, Ill. (February 3, 2014) – To help communities effectively plan, manage and care for trees, the Morton Arboretum’s Community Trees Program is holding a series of outreach visits in cities across northern Illinois. Over the next few months, representatives from the Community Trees Program will offer workshops and resources to more than 50 cities to help provide guidance to ensure proper planning and maintenance for area trees.
  • Getting answers at the Plant Clinic

    At any season of the year, the Plant Clinic of The Morton Arboretum is ready to help homeowners and professionals have lovely and useful gardens and healthy trees and plants.

  • Let your garden bring the glitz to winter containers

    The same pots that burst with bright annuals this summer can provide color, texture, and interest this winter, according to Abigail Rea, manager of horticulture at The Morton Arboretum. Many of the materials can be found right in your garden. Rea offers tips for interesting holiday containers.
  • String holiday lights with care

    The Morton Arboretum provides tips for safely decorating your yard with holiday lights this fall, taking care to avoid harming people or plants.
  • Keep watering new plants and evergreens

    Don’t forget to keep watering as the season draws to a close. It’s especially important to water evergreens and any trees, shrubs, or perennials planted within the last two years, says Sharon Yiesla, Plant Clinic assistant at The Morton Arboretum.
  • Plant protection: Pests and diseases to watch out for

    What’s your offensive garden strategy? For winning plants, keep an eye out for these pests and diseases this July.
  • Breeding tomorrow’s trees

    The Arboretum’s new tree breeder has his eye on the landscapes of the future.
  • Have your best garden yet

    Turn to the Plant Clinic for advice to get your garden off to a great start.
  • Look beyond spring bloom

    Think ahead in spring and plant shrubs you can enjoy all year long.
  • Choose plants to safeguard woodlands

    It’s the gardener’s prerogative to decide what to plant. But what we don’t plant is important too.
  • THE FACTS ON THE EMERALD ASH BORER

    As Chicago presents a new plan to treat its ash trees for the Emerald ash borer, The Morton Arboretum wants to remind media and homeowners of the facts about these insects.
  • Delightful and Durable

    The show-stopping bloom on new hydrangea shrubs in the Members’ Exclusive Plant Sale Catalog can’t be shut down even by harsh Chicago winters.
  • Help Your Community Help Trees

    The Community Trees Program supports towns, parks, school districts, community groups, and individuals in caring for the urban forest.
  • Dormant Pruning Tips

    Kunso Kim, head of collections and curator, suggests you consider these different approaches.
     
    Selective pruning: To shape the shrub or control its size somewhat, go branch by branch, choosing the branches you want to keep and removing those that are too long, superfluous or causing a tangle. Using sharp, clean pruners, prune just above the place where one stem branches off from another; don’t cut in the middle of a branch between joints, which will cause bristly, unsightly growth.
  • Prime Time for Pruning

    Late winter is an excellent time to prune shrubs and trees, while they are safely dormant.
  • Bringing Bloom Indoors

    Force branches of flowering shrubs indoors for an early shot of spring bloom.