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Tuesday, Jun. 17th 2014

Garden Calendar Week 3

June Week 3

 Ornamentals

  • Plant tropical water lilies when water temperatures rise above 70 degrees.
  • When night temperatures stay above 50 degrees, bring houseplants outdoors for the summer.
  • Apply a balanced rose fertilizer after the first show of blooms is past.
  • Rhizomatous begonias are not just for shade. Many varieties, especially those with bronze foliage, do well in full sun if given plenty of water and a well-drained site.
  • Most houseplants brought outside prefer a bright spot shaded from afternoon sun. Check soil moisture daily during hot weather.
  • Apply organic mulches as the soil warms. These will conserve moisture, discourage weeds, and enrich the soil as they decay.
  • Apply a second spray for borer control on hardwood trees.
  • 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.

Lawns

  • 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.

Vegetables

  • 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.
  • Start seedlings of broccoli, cabbage and cauliflower. These will provide transplants for the fall garden.
  • Control corn earworms. Apply several drops of mineral oil every 3 to 7 days once silks appear. Sprays of Bt are also effective.
  • To maximize top growth on asparagus, apply 2 pounds of 12-12-12 fertilizer per l00 sq. ft., water well and renew mulches to conserve moisture.

Fruits

  • Renovate strawberries after harvest. Mow the rows; thin out excess plants; remove weeds; fertilize and apply a mulch for weed control.
  • Summer fruiting raspberries are ripening now.
  • Begin control for apple maggot flies. Red painted balls that have been coated with tanglefoot may be hung in apple trees to trap egg-laying females.
  • Spray trunks of peach trees and other stone fruits for peach tree borers.
  • 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