Mar 19, 2019

Posted by | Comments Off on Bugs to look for in Late April

Bugs to look for in Late April

Bugs to look for in Late April

Late April

Household Insects

Ants:  Foraging ants in homes are common until temperatures allow them to seek food outdoors.

Tree/Shrub Insects

Cooley spruce gall:  Insects continue development and usually begin to produce egg sack in late April.

Lilac/ash borer: Flights of adult moths may begin.

Poplar twiggall fly: Adults emerge and begin to lay eggs in emerging aspen shoots.

Spider mites on pines:  Populations may increase rapidly on ponderosa and other susceptible pines

Spiny elm caterpillar:  Small colonies of these caterpillars may be seen on willow, hackberry, aspen, elm and other trees.

Douglas-fir beetle:  In forested areas, adult emergence, flights and tree attacks may begin.

Brownheaded ash sawfly:  Adults may lay eggs during warm days following bud break.

Zimmerman pine moth:  Approximate treatment timing for overwintered larvae. 

Lawns

Turfgrass mites:  Clover mites continue to feed on lawns and enter homes in nuisance migrations.

Nightcrawlers: Tunneling activities and associated lawn lumps continue.

Midges: Non-biting midges emerge from ponds and mating swarms may be observed over lawns.

Garden

Spinach leafminer: Egg laying and tunneling begins in older spinach foliage.

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Feb 5, 2019

Posted by | Comments Off on Winter Watering

Winter Watering

Watering of trees, shrubs, lawns, and perennials during prolonged dry fall and winter periods prevents root damage that affects the health of the entire plant. Colorado’s’ dry air, low precipitation, little soil moisture, and fluctuating temperatures and just the characteristics of fall and winter can be hard on trees and shrubs and requires winter tree watering. There often can be little or no snow cover to provide soil moisture, particularly from October through March.

Trees, shrubs, perennials and lawns can be damaged if they do not receive supplemental water. The result of long, dry periods during fall and winter is injury or death to parts of plant root systems. Affected plants may appear perfectly normal and resume growth in the spring using stored food energy. Plants may be weakened and all or parts may die in late spring or summer when temperatures rise. Weakened plants also may be subject to insect and disease problems.

Newly established lawns, whether seed or sod, are especially susceptible to damage. Susceptibility increases for lawns with south or west exposures. Contact JVJ Lawn Care & Sprinkler Co., at 303-805-3927 today for a free estimate and landscape evaluation.

Tree, Shrub & Lawn Watering Basics

  • Winter watering should be done from October through March.
  • Water only when air temperatures are above 40 degrees F.
  • Apply water at mid-day so it will have time to soak in before possible freezing at night.
  • Monitor weather conditions and water during extended dry periods without snow cover—one to three times per month.
  • Trees obtain water best when it is allowed to soak into the soil slowly to a depth of 12 inches.
  • Methods of watering trees include: sprinklers, deep-root fork or needle, soaker hose or soft spray wand.
  • Apply water to many locations under the dripline and beyond if possible.
  • If you use a deep-root fork or needle, insert no deeper than 8 inches into the soil.
  • As a general survival rule, apply 10-20 gallons of water for each diameter inch of the tree.
  • Newly planted shrubs require more water than established shrubs that have been planted for at least one year.
  • Apply 5 gallons two times per month for a newly planted shrub.
  • Small established shrubs (less than 3 feet tall) should receive 5 gallons monthly.
  • Large established shrubs (more than 6 feet) require 18 gallons on a monthly basis.
  • Decrease amounts to account for precipitation.

Read more published information from Colorado State University at the link below.

Winter watering …Note: this link will take you away from our website… see you soon!

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Sep 20, 2018

Posted by | Comments Off on Current Specials

Current Specials

“Green Thumb” Fertilizer Package!  Everything You Need For a Green Lawn Starting at only $180.

Includes 4 applications of fertilizer, scheduled 6 to 8 weeks apart. Includes spring pre-emergent and fall winterization.

Receive 10% discount for prepayment of package.

Expires 6-1-19. New customers only. Some restrictions apply

“Take Back Your Weekend” Weekly Mowing Package!  Starting at only $45

Includes sprinkler activation, aeration, fertilizer, weekly mowing, trimming and edging, and fall sprinkler blowout!

Expires 4-29-19. New customers only. Some restrictions apply.

Sprinkler Activation (residential customers)  $65 Up to 6 zones (Additional zones = $5 each)

Includes turning on water, programming clock, running each zone and performing minor adjustments.

Repairs & Major adjustments extra. Expires 6-1-19. New customers only

Sprinkler Activation (commercial customers)  $95 Up to 6 zones (Additional zones = $10 each)

Includes turning on water, programming clock, running each zone and performing minor adjustments.

Repairs & Major adjustments extra. Expires 6-1-19. New customers only

Sprinkler De-Activation (Residential Customers)  $85** Up to 6 zones (Additional zones = $5 each)

**Saturdays, first & late appointments are $10 extra. Additional backflows & multiple time-clocks count as additional service. Crawl Spaces & man hole covers incur minimum $25 charge.

Includes shutting off water in basement and draining pet cock valve, blowing out entire system through the backflow valve with a commercial diesel compressor with continuous air flow at the

correct air pressure, opening the drain valves in the manifold boxes, and making sure all shut off valves are closed correctly at 45 degree angles. Expires 10-26-19. New customers only.

Sprinkler De-Activation (Commercial Customers)  $95** Up to 6 zones (Additional zones = $10 each)

**Saturdays, first & late appointments are $10 extra. Additional backflows & multiple time-clocks count as additional service. Crawl Spaces & man hole covers incur minimum $45 charge.

Includes shutting off water and draining pet cock valve, blowing out entire system through the backflow valve with a commercial diesel compressor with continuous air flow at the correct air pressure, opening the drain valves in the manifold boxes, and making sure all shut off valves are closed correctly at 45 degree angles. Expires 10-26-19. New customers only.

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Sep 19, 2018

Posted by | Comments Off on Time to prepare your lawn for winter!

Time to prepare your lawn for winter!

In the next few weeks you should fertilize your turf  for the 4th time this season with winterizer  fertilizer.  If you have brown spots at this time look for rabbit droppings in those areas or have your sprinkler system tested for proper coverage.  Soon it will also be time to have your sprinkler system blown out  (aka, sprinkler winterization or sprinkler deactivation) properly before it drops below 32 degrees.  There are some who believe their system is self draining or some who believe they do not need to have their system blown out…However they do not realize that the pipes in the ground still have water in them and that they will expand & contract every time they freeze and thaw causing the pipes to eventually crack and thus causing expensive repairs overtime or the need for a complete new system.  Feel free to call us if you have any questions or comments regarding this process.

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Aug 23, 2018

Posted by | Comments Off on Pest & Disease Control

Pest & Disease Control

Spider Mites

Necrotic Ring Spot (NRS)

Ascochyta

Fairy Ring

Grub Worm

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Feb 16, 2015

Posted by | Comments Off on Ascochyta

Ascochyta

Ascochyta

Quick Facts…

  • Ascochyta is a fungus that is usually just an aesthetic problem on Kentucky bluegrass lawns in Colorado.  It may also occur on tall fescue and perennial ryegrass.
  • Leaves usually start dying back from the tips & severe areas of affected turf will turn straw-colored however your turf is not dead.
  • Ascochyta can occur throughout the growing season, but is more prevalent in the spring when there are extended wet periods symptoms may develop throughout the growing season but are more common when cool rainy conditions are followed immediately by hot dry conditions. The overall appearance of the disease may resemble drought stress, except that the symptoms of Asochyta blight appear quickly (i.e. sometimes overnight).

Treatment for Ascochyta!

  • Reduce thatch and promote water penetration through the soil by aerating.
  • Sharpen blades & maintain grass height between 2 ½ and 3 inches. Avoid mowing during wet weather.
  • Although the fungus can be spread from one location to another on grass clippings it is unlikely to contribute significantly to disease development because the fungus is already present throughout every lawn.
  • Maintain a balanced fertilizationprogram.
  • Try to maintain uniform soil moisture. Check your sprinkler system to make sure all sprinkler heads are working properly and that water is being distributed uniformly to avoid drought stress. On the other hand excessive irrigation and poorly drained soils may also promote disease development.
  • The damage usually takes several weeks to disappear.
  • If you can’t wait, a fungicide can speed up the healing process especially on more severely damaged lawns…Call us for a free evaluation!

Bleached leaf tips and banding are characteristic of Ascochyta leaf blight.

Ascochyta leaf blight on Kentucky Bluegrass

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Feb 14, 2015

Posted by | Comments Off on Grub Worm

Grub Worm

Quick Facts…

We see Grub damage way less often than other turf damages such as spider mites.

Grubs are a root-feeding immature (larval) stage of beetles, which include the following: Japanese beetle, European chafer, masked chafer, Oriental beetle, green June beetle and the Asiatic garden beetle.

The beetles lay their eggs 1 to 2 inches deep in the soil and the eggs hatch in 2 to 4 weeks.  The young grubs begin feeding on grass roots immediately.  They grow to full size within 3 to 4 weeks.  This is their most damaging time to the turf.  The grubs move deep in the soil for hibernation just before winter arrives.  They come back to the root zone and start eating again in the spring.

Around May, depending on your location, the grub transforms into pupae and a few weeks later they emerge as adult beetles.

Their most visible damage can be seen in the late summer months when the turf is most stressed.

Severe infestations may see numbers of up to 50 grubs per square foot.  Your turf will roll back like carpet & your lawn will yellow and die quickly.

Treatment for Grub Worms!

Usually grub worms are not that large in numbers to severely damage your lawn, so just let nature take its course.

If there are large numbers, insecticides may be necessary to control them. Applications should be done when they are close to the soil surface and before they have damaged the lawn.

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