Christmas Trees & Wreaths are in-stock!

The Holiday season is now in full swing! Denison has all of your Christmas decorating needs from beautiful freshly cut trees to custom hand made wreaths.  Stop by today and find that perfect tree!

UPDATE: We hope you and your family had a wonderful Holiday Season.  Look for Christmas Trees and Wreaths at the Denison… Read more »

First Pics of the new Green Denison Landscaping Truck!

Just unveiled at the GIE+EXPO (Green Industry and Equipment), the new Rouche Clean Tech Ford f250s with 5.4 liter propane conversion kit looks stunning.  They also are environmentally friendly to help reduce our carbon footprint.  This is part of our commitment to keep the planet green and beautiful!

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Denison goes green with Propane

On October 14th 2011 Denison Landscaping took possession of two Rouche Clean Tech Ford f250s with 5.4 liter propane conversion kits. These two trucks are the next step of a continued green initiative at Denison Landscaping.

Denison is proud to be the first landscape contractor in the DC Metro area to convert to the Rouche “Clean Tech” system.

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Planting Trees & Shrubs 101

1. Dig a hole 2 to 2.5 times greater than the diameter of the root ball. Do not dig the planting hole any deeper than the root ball since the soil that you disturb will eventually settle causing the plant to settle too deep. Prepare the hole 1”–2” too shallow. This will ensure that your… Read more »