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Monday, Jun. 23rd 2014

Garden Calendar Week 4

June Week 4


  • Softwood cuttings can be taken from trees and shrubs as the spring flush of growth is beginning to mature.
  • Continue spraying roses with a fungicide to prevent black spot disease.
  • Tired of the same old foundation plantings? Find fresh ideas among the evergreens planted in the Dwarf Conifer collection.
  • Trees and shrubs may still be fertilized before July 4th.
  • Pruning of spring flowering trees and shrubs should be completed before the month’s end.


  • Water turf as needed to prevent drought stress.
  • Mow lawns frequently enough to remove no more than one-third the total height per mowing. There is no need to remove clippings unless excessive.
  • Gradually increase the mowing height of zoysia lawns throughout the summer. By September, the mowing height should be 2 to 2.5 inches.
  • Mow bluegrass at 2 to 3.5 inch height. Turfgrasses growing in shaded conditions should be mowed at the higher recommendations.


  • Set out transplants of Brussels sprouts started last month. These will mature for a fall harvest.
  • Soaker hoses and drip irrigation systems make the most efficient use of water during dry times.
  • To minimize diseases, water with overhead irrigation early enough in the day to allow the foliage to dry before nightfall.
  • Control corn earworms. Apply several drops of mineral oil every 3 to 7 days once silks appear. Sprays of Bt are also effective.


  • Prune and train young fruit trees to eliminate poorly positioned branches and to establish proper crotch angles.



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University of Missouri Extension Master Gardener Program