How to Anchor a Greenhouse

Written by elizabeth knoll
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Having a greenhouse is a wonderful way to lengthen your growing season. It allows you to plant earlier and harvest later than you would be able to by just growing your plants in the ground. However, proper anchoring is essential to keep your greenhouse in place. With high winds and storms, a greenhouse can easily blow over, destroying both the greenhouse and the plants inside it. The earth anchor set is recommended for greenhouse anchoring.

Skill level:
Moderately Easy

Things you need

  • Earth anchor set
  • 1.36kg. hammer
  • Cordless drill

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  1. 1

    Take one earth anchor and place it in the ground 6 inches from the corner of the greenhouse base. Place a steel drive inside the anchor. Hammer it into the ground. The anchor is set when the cable end barely touches the corner of the greenhouse base.

  2. 2

    Pull the steel drive out of the ground. Insert it into the loop at end of the cable. Pull out the cable until it is 2 to 3 inches out of the soil. This rotates and locks the anchor into horizontal position.

  3. 3

    Insert lag bolt through the loop at the end of the cable. Your cable should be between the greenhouse base and the washers. Drill a screw lag bolt into your greenhouse base.

  4. 4

    Repeat steps 1 through 3 for the remaining three corners of the greenhouse.

Tips and warnings

  • Slightly moist ground will make installation of the earth anchors easier.
  • For best results the greenhouse base should be a wood frame construction for easy installation of the lag bolts.
  • Soil that's too wet will result in anchors possibly dislodging from the ground.
  • Consult with the greenhouse manual to ensure the foundation is proper before installing the anchoring system.

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