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Trees and plants

  • 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.