Spring lawn tips

Spring lawn tips

Spring lawn tips

Spring has arrived and I see many people working in their lawns. 

So, what should you be doing to your lawn and landscape to prepare for the upcoming growing season?

In early spring, you can reduce the tangle of weeds that appear in your yard, prune your trees, reduce garden pests and help your lawn become healthy and green. 

Proper care of your lawn in the spring will help promote a healthy landscape throughout the year.

Consider these tips: Core aerate your lawn, this is where small plugs are removed from the soil.

Core aeration has proven to be more beneficial to turf than power raking, which was a common yard care technique several years ago. 

Aerating allows better air, water and fertilizer penetration into the soil. It also helps reduce the thatch layer and minimizes compaction that produces unhealthy roots. It can be done any time the ground is free from snow. 

Heavily used areas and clay soils may need to be aerated twice a year, once in the spring and again in the fall. 

Normal soil types are usually fine with only one aeration in the spring, and sandy soils only need it every two years.

If a fall fertilizer was applied last year, the grass may not need it again until mid or late- May. If there was no fall application, a fertilizer high in nitrogen can be applied now. Consider using a slow release fertilizer, such as sulfur-coated urea. 

These fertilizers are more expensive, but only need to be applied every two to three months to keep the lawn looking green and lush.

You can begin mowing your grass as soon as it starts to grow, leaving it between 2 1/2 to 3 inches tall. You should begin watering when the lawn looks dry or begins to show early symptoms of water stress.

Keep your mower blades sharp and leave the grass clippings where they lay. “Grass cycling” eliminates bagging labor and adds organic matter and nitrogen to your soil, allowing you to apply 25% less nitrogen fertilizer.

Weeds, such as spurge, crabgrass and foxtail, are common in July and August and should be controlled in the spring since they are nearly impossible to remove midsummer.

Weeds germinate and are small in the spring so they go unnoticed. Nip them in the bud by applying a pre-emergent such as Galleria, Halt or Dacthal to the lawn now and then again in early June. These products must be applied before the weeds begin to germinate since they kill the young germinating annuals, not the established weeds.  

Cleaning up debris around the yard and garden will help keep pests under control. They love to hide under old dead plant material and organic matter. Controlling the first generation of most insects greatly reduces their number throughout the summer. A clean garden eliminates a breeding area or a place for insects to gather.

Pick up and discard dog droppings from turf areas. The droppings will burn grass plants if left for an extended period of time.

Mushrooms may be an eyesore but do not damage the lawn. These fungi are feeding on decaying organic matter in the soil, dead tree roots, etc. 

The fungi can be knocked or kicked apart to help dry them out. They will disappear with a return to dry conditions.

Control broadleaf weeds in early May with a broadleaf weed killer. These weeds include dandelions, clover, black medic and chickweed. They need to be treated before the weather warms to above 85 degrees.

When trimming ornamental and shade trees, remember that the tree limbs and branches will stay at the same height for the entire life of the tree. The growing point for the tree is located in the top terminal bud, and the rest of the tree will only grow in circumference. 

If the branch is four feet off the ground today, it will be four feet off the ground in 20 years.

You can safely prune most trees through the end of May. Most pruning is done before the tree leafs out because it is easier to see where to prune and easier to get into the tree. I recommend pruning in March and early April.

Do very little pruning on ornamental trees. Prune wood that is dead, diseased or injured and branches that cross (rub), grow back into the center of the tree or are out of place. Be sure to keep the natural shape of the tree intact.

Lawn over-seeding can still be done in April. Good seed to soil contact is important if the seed is to germinate and survive.

Hopefully, these tips will help you grow a functional lawn and landscape you will be proud of. For more information go to: “Keep Your Lawn Green -Mow, Water and Aerate,” by Heidi Kratsch, Horticulture Specialist; http://www.unce.unr.edu/publications/files/ho/2012/fs1227.pdf.