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Find out the best time and how much water your trees and lawn need.

Water Your Trees and Lawn Where It Counts

September 16, 2013

Confused as to which season is ending and which one is about to begin?

The summer months delivered some heavy rains that saturated lawns with excessive water and moisture, while other regions suffered extreme heat and drought.

Unfortunately, both cases present similar symptoms on your trees and turf. No matter the extreme weather conditions you've suffered this season, knowing the differences between extremely dry and drowning roots can help you better prepare your landscape for fall.

High Heat. 

Very hot and dry weather can not only put stress on peo­ple, but also on our trees.

Excessively dry soil conditions can significantly reduce the life span of your valuable landscape trees. Be­cause they are difficult and expensive to replace, your trees need attention during and after drought periods.

Perhaps even more life-threaten­ing than anything to a tree suffering drought is an invasion by borers and disease-causing organisms that can happen as the tree is recuperating and stressed. Symptoms include wilted foliage, a sparse canopy of off-color and undersized leaves, leaf scorch, yellowing, leaf drop, and premature fall color.

Solutions include watering appro­priately--slow, deep watering every five to seven days during drought is ideal for mature trees in 75- to 85-de­gree weather and every four to six days in 95- to 105-degree weather. For young or newly planted trees, slow and deep watering every three days is a good recommendation.

Water Works.

Warm, excessively wet weather may have you seeing spots in your landscape.

The spots we're referring to are those blemishes and blights that can appear in your lawn or on your tree leaves when warm, wet weather lingers, creating the perfect conditions for diseases to form and spread. These lesions or unusual patches can ruin your lush landscape vista--not to men­tion diminish property values.

As a result of weather's impact on your lawn and landscape, renovation may be necessary this fall to get your property back in shape. Lawn renovation ser­vices, such as core aeration overseeding, and sodding can help reestablish desirable grasses and thicken turf to provide a stable, healthy base capable of better fighting weeds next spring.

So, while lengthy summer rains have kept lawns lush and green, they may have also had some negative effects, such as turf, shrub and tree diseases.

Trees recovering from a harsh winter, temporarily coping with drought stress, or lacking a seasonal substitute for an irrigation system, can benefit from subsurface water­ing.

Smart Sips.

Whether your trees and shrubs are dry and brittle from the heat, or soaked and saturated from the rains, water them where they need it most.

This "green innovation" gets to the root of the problem--and it's easy to implement. By placing water below grade, it is more efficiently distributed and less likely to run off or evaporate. The soil injection technique also bypasses slow soil infiltration rates of soils that contain high clay content, making it a viable alternative to surface watering.

Need help? One of Davey's professionally trained arborists can help you learn more about the needs of your trees, shrubs, and turf.

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