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McKay Nursery Company

Summer Landscaping Tips

Jun 10, 2014 4:54:15 PM

Written by

McKay Staff

in Tips

summer landscaping

June is where summer makes her grand entrance, and gardeners everywhere are busy with what they love best…. gardening!  It's a great time to update an old, overgrown landscape, freshen the design with some tweaks on your existing design, or maybe you are now ready for your first new design.

  1. Summer is a great time for the addition of a good organic layer of mulch to your planting beds for weed prevention and better soil moisture retention (2-3” layer).  Be very careful not to mound the mulch up around the trunks of trees, as it can kill the tree. 
  2. Roses should be checked for aphids and other bugs and sprayed as soon as possible, or Bayer All in One Rose & Flower Care is a great systemic for prevention, but it may take a while for the active ingredient to get into the plant.
  3. Spring flowering bulbs have foliage that has now turned (or is turning) brown and drying, and this old foliage can be removed without affecting next year’s flowers.  Be sure and allow the spring bulb foliage to turn brown before removing it though, as the green leaves make food for next year’s bulbs.
  4. Spring flowering shrubs (Forsythia, Lilacs, Mockorange) can still be pruned after the flowers have finished. Some kinds of Lilacs have yet to bloom so be sure to let those Canadian Lilacs as well as the Ivory Silk and Japanese tree Lilacs bloom before pruning them. Citrus Swizzle Dwarf Forsythia_Buckley's Quill Mockorange_Lilac
  5. Prune spent flowers from perennials to keep the plants neat and many will respond with new flowers to enjoy.  Annuals too can be deadheaded and pinched back to encourage bushiness and continued flowering.  Russian sage and Autumn Joy Sedum can be sheared back by half (once they hit about 12”) to encourage these plants to bloom as shorter plants, if so desired.
  6. Maintaining good soil moisture is important – especially for new plantings.  New plantings typically take about 6 weeks to get some new roots established and watering can be less frequent and more at each application.  Ideally, a good, slow, deep watering is required about every 7-10 days for trees and shrubs after they are established.  Newly planted B&B and container plants need to be watched very carefully during that first 6 week break-in period after planting or until they have had a chance to get rooted in.  The easiest method of checking to see if a plant needs water is to stick your finger in the soil it was planted with, and if it feels dry – water it, and if it feels moist – skip watering it.  Typically sprinkler systems do not work well for establishing new plantings unless they are putting water on the roots where needed. 
  7. Maintaining a good healthy lawn will benefit greatly by raising the cutting height to at least 2” or more.  Bluegrass (which is what most lawns consist of) is best watered deeply, and then allowed to dry out in-between waterings.  This forces the roots to go down for the water.
  8. Proper maintenance of your landscape is crucial to keep it looking like it should. Ask your McKay professional if they can help you.  If you are close to our Nursery here in south central Wisconsin, we have a maintenance division that can help you maintain your perennials, trees and shrubs as well as your lawn the proper way.

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