Local and Timely High Desert Gardening Tips

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June 15th thru June 30th, 2017

Moana Nursery Teammates say, "For successful high

desert gardening, NOW is the time to ..........."   

Be on the Alert for Bugs and Diseases

  • Be on the lookout for wooly apple aphids on your apple tree.  They may not appear to be aphids at first and may even be misdiagnosed by the unpracticed eye.  Control with Bonide Eight or Systemic Insect Granules, according to the label.
  • Aphids are showing up on just about anything – deciduous and fruit trees, roses, honeysuckle and more.  Start with Lady Bugs and a hose. (See life cycle of lady bugs so that you don’t inadvertently kill off their eggs, larvae or pupae.)  If infestation is great, use Bon Neem II, Bonide Rose Rx or Bonide Tomato & Vegetable Spray.  Bonide Systemic Insecticide Granules can also be used on all ornamentals.
  • Earwigs eat at night, so you’ll only see the destruction they’ve wrought in the daylight.  Use Bonide Bug and Slug Killer or Captain Jack’s Dead Bug Brew or Garden Dust.  Be sure to use a Bonide Duster Applicator if you choose to apply the dust version of these products.
  • Powdery Mildew hit susceptible plants this spring.  Continue to monitor for reinfestation and treat accordingly with Bonide Neem Oil or Bonide Funginol.  Be sure to use a Bonide Duster Applicator if you choose to apply the dust version of these products.
  • If you suspect insect or other pest damage to your lawn, visit a plant doctor to help diagnose the cause and identify the proper course of treatment.

General Garden & Lawn Care:

  • Avoid late afternoon and evening watering to prevent leaf diseases on lawn, shrubs and especially roses.
  • Established trees, shrubs, perennials & roses must receive 1 inch of water per week throughout their root zones.
  • Water newly planted trees, shrubs, perennials & roses 3 - 4 times per week in July and August.
  • Continue to cultivate and weed. 
  • If not done yet, mulch garden beds immediately after weeding with 2 to 4 inches of organic material such as G&B Organics Soil Building Conditioner to retain moisture and keep weeds under control.
  • Inspect lawn for weeds.  Pull out annual weeds, such as crabgrass before they go to seed.  Mow high -- 2-1/2 to 3 inches.
  • Control insect pests, including aphids, mealybugs, scale, spider mites, thrips, whitefly and others with lady bugs or use Captain Jack’s Dead Bug Brew for leaf chewing insects for a safe and quick control or ask us for best controls on significant infestations.
  • Check all plants weekly to be sure they are getting adequate water.  Inspect irrigation system regularly for leaks, clogged emitters, broken/clogged head and other problems.  Adjust watering schedule as weather dictates.
  • To prevent brown patch and other lawn fungus diseases that begin to show up in June and July, spray lawn with Bonide INFUSE or Bonide Fungonil – especially if fungus was present last season.  For best results, alternate the fungicide used each year.
  • With this year’s mild winter temperatures be watchful for signs of lawns grub damage.  Consult our trained staff to determine the true cause of your patchy lawn and for the best treatment.

Tree and Shrub Care:

  • Continue to deadhead roses by cutting flowers back to the first set of five leaflets.
  • Monitor roses closely for blackspot.  Remove any leaves that show darkened circles with fuzzy margins on either side of the leaves; yellow foliage with dark spots; and any leaves that have already dropped from the plant.  Dispose of infected leaves in the trash; do not compost.  In the future, select disease resistant roses like Bailey’s Easy Elegance series.
  • If not done yet, renovate overgrown shrubs including redtwig dogwood, lilac and forsythia by removing one-third of the old, thick canes.
  • Prune out all ground-level sucker growth from crabapple, apple, plum, peach or apricot trees by cutting out growth below soil level; treat with Bonide Sucker Punch.
  • Prune out weak, green but very fast-growing water sprouts that grow vertically from branches of fruit trees, redbuds or other ornamental flowering trees. Treat with Bonide Sucker Punch.

Perennial & Annual Care:

  • Continue deadheading annuals and perennials to encourage more flowering.  When deadheading annual geraniums, remove entire stem with fading flowers.
  • Prune out longest stem of cascading petunias weekly to prevent plants from becoming scraggly.
  • Fertilize container plants every two weeks with G&B Organics Bud & Bloom Fertilizer or G&B Organics High Bloome Liquid Fertilizer but avoid applying in the heat of the day.  Always water plants before adding liquid fertilizer.
  • Hot dry weather can result in increased mite activity. Symptoms include stippling of foliage.  Remove affected foliage and treat with Bonide Rose Rx 3 in 1. Use according to the label.
  • Continue planting new perennials, ornamental grasses & roses.
  • Stake tall perennials plants, if necessary, by tying with soft Rapiclip Soft Twist Tie.
  • Continue to guide clematis & all other soft-stemmed vines to their supports and secure with Rapiclip Soft Twist Tie.
  • Continue to pinch off new growth of mums, asters and late-blooming tall sedums until mid- July.

Herb, Fruit & Vegetable Care:

  • Fertilize fruits and vegetables with G&B Organics Tomato, Vegetable & Herb Fertilizer or Citrus & Fruit Tree Fertilizer every 2 months or G&B Organics High Bloome Liquid Fertilizer every 2 to 4 weeks.  For those who are starting late or just want greater planting growth, one application of Gardner & Bloome Bat Guano will give a quick boost in growth for your corn, tomatoes, cucumbers and many others.
  • Spray tomato (and other vegetable) blossoms with Bonide Tomato & Blossom Set to produce larger, meatier tomatoes earlier and use G&B Organics Tomato, Vegetable & Herb Fertilizer which is rich in calcium.
  • Monitor tomatoes and ensure that they receive an even supply of moisture instead of heavy soaking and then a drought. 
  • Monitor vegetables for symptoms of fungus or blight: soft, darkened areas, yellow and dropping leaves, sunken dark spots on otherwise green foliage.
  • Monitor all plants for insects.  Hand-remove large insects such as tomato hornworms, cicadas and other caterpillars.
  • For maximum fruit size and vigor, prune out excessive fruit on trees as follows:

                        2-4” apart for plums along stem

                        3-5” apart for peaches and nectarines along stem

                        1 to 2 fruits per cluster for apples and pears

  • Continue to harvest herbs to use fresh, dry, or freeze in small batches in ice cube tray.  Pinch off developing flowers to retain essential oils and flavor in the plant’s foliage.
  • Mulch vegetable garden with 2 – 4” of G&B Organics Soil Building Conditioner or Planting Compost to retain moisture and control weeds.


  • As summer progresses, rufous hummingbirds will start showing up and will stay into the fall.
  • Add movement to birdbaths with Water Wigglers to attract more birds.
  • Continue offering WBU Suet or Suet Dough to warblers, nuthatches, wrens & woodpeckers.
  • Continue to put out oranges, grape jelly and nectar for orioles and sugar water for hummingbirds.  Be sure to change solution every few days or use a product with Nectar Defender in it to avoid spoilage.  Try to keep feeders out of direct sunlight if possible.
  • Continue to supply fresh water and change it every other day to keep it clean.  To prevent the chance of disease, clean birdbath weekly with a weak bleach solution (1 part bleach to 9 parts water) and rinse well.
  • Store bird food in a sealed container and keep in a cool dry place to prevent spoilage.
  • To ensure that bird seed is eaten quickly and stays fresh, keep feeders filled with a one or two day supply of seed.
  • Install a customized Wild Birds Unlimited bird feeding station where you can easily watch the birds it attracts.  It can be installed in the ground or on a deck.

Did you know that we can do the following for you? Call 825-0602 x134 for more information.

  • Install and maintain indoor plants – new Plant Services business features design, clean-air plants, maintenance & more
  • Plant rental service
  • Seasonal container & bedding service
  • Custom Container drop-off & pick up
  • Bulk Material Installation/Spreading
  • Design & install holiday lighting
  • Tune up your landscape and irrigation system
  • Add a water feature
  • Design and install a new landscape 
  • Upgrade an existing landscape
  • Install a driveway, patio and other hardscapes
  • Install FieldTurf artificial putting greens, lawns, dog runs & play areas 
  • Create a backyard bird habitat; have a healthier landscape this year – Make an appointment for an at-your site consultation; call our Plant Doctors:

 Jon Bruyn at 825-0602 x118 or jonb@moananursery.com

 Lisa Braginton at 825-0602 x104 or lisab@moananursery.com

 Steve Packer at 853-1319 x225 or stevep@moananursery.com

 Michelle Gilmore at 425-4300 x303 or michelleg@moananursery.com

Official Planting Guide from Moana Nursery

Moana Nursery's High Desert Vegetable Calendar

Helpful Video Showing How To Turn Your Irrigation/Sprinkler System On & Off - - View by clicking this link to Moana's You Tube Video.

Click on this link for ... Helpful Landscape Articles Written By Our Professionals For Do-It-Yourselfers.