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  • Underhill A-DD36 Deep Drip Spikes for Palm Trees and Deeper Rooted Trees, 36-Inch
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Underhill A-DD36 Deep Drip Spikes for Palm Trees and Deeper Rooted Trees, 36-Inch

10 customer reviews
| 3 answered questions

Price: $13.49 & FREE Shipping on orders over $35. Details
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
36 Inch
  • One of the most effective devices to get water, oxygen and fertilizer to your tree's roots quickly and efficiently
  • 100% of the water directed to tree goes deep into the ground; Internal filter keeps dirt and rock from entering the device
  • Hassle-free and maintenance-free tree deep-watering; Works with garden hose, flood irrigation, or in conjunction with automatic landscape drip system
  • You can also add fertilizer into the shaft to continually direct nutrients to the root zone
  • Made of sturdy ABS and PVC
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$13.49 & FREE Shipping on orders over $35. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

Underhill A-DD36 Deep Drip Spikes for Palm Trees and Deeper Rooted Trees, 36-Inch + Yard Butler IRD-2, 30-Inch Roto Auger, 1.75-Inch Diameter
Price for both: $30.46

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Size: 36 Inch

WARNING:
CHOKING HAZARD -- Small parts. Not for children under 3 yrs.

Product Description

Size: 36 Inch

DEEP DRIP Tree Watering Stakes water and fertilize your trees at the roots, encouraging deeper roots and healthier trees . Water gets underground fast, so you can irrigate for shorter periods and save water. They also help aerate the soil and you can add fertilizer into the shaft to direct nutrients to the root zone. Built smart and easy to use. The Deep Drip's reinforced tip and cap are made from ABS and the upper is made from Schedule 40 PVC. Multiple holes in the bottom half of the spike, internally covered by a mesh filter, allow water to flow out but keep debris from entering the shaft and holds 1/4 inch drip line/emitter securely in place. By inserting a screwdriver through the two holes at the top of the upper shaft, stakes can easily be pulled up to remove/reposition, or rotated to deter root invasion. Deep rooted trees will benefit from the longer 36 inch stakes.

Product Details

Size: 36 Inch
  • Product Dimensions: 1.6 x 1.6 x 0.4 inches
  • Shipping Weight: 5 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • Origin: USA
  • ASIN: B0087OYNRM
  • Item model number: A-DD36
  • Average Customer Review: 4.1 out of 5 stars  See all reviews (10 customer reviews)
  • Amazon Best Sellers Rank: #41,934 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)

From the Manufacturer


Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

4 of 4 people found the following review helpful By Mike von R on April 30, 2014
Size: 14-1/2 Inch Verified Purchase
Given the current drought condition in Southern California, using these spikes really reduces the water evaporation to a bare minimum. Also, getting the correct amount of moisture to the roots is much more effective this way. With just a few exceptions, I have replaced all of my sprinklers with watering spikes. Although these cost a lot more than sprinkler heads, I am using less water. As water rates continue to rise, these will pay for themselves sooner.
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2 of 2 people found the following review helpful By Mr. Isotope on April 25, 2015
Size: 24-1/2 Inch Verified Purchase
These are better built than I had expected. There is a screen inner liner behind the holes, which prevents the tube from filling with dirt. I got the 2-footers as I thought that I would have trouble getting a 3-footer in the ground. Pounding them into the ground was a challenge - they went in OK, but the instructions say to pound them in with the lids on. I did so, and then I couldn't get the lids off. Sometimes with two pipe wrenches I could get the lid off while the stake remained in the ground. Other times I would have to pound them in, pull them out, put it in a vise, pull off the lid, put the lid back on, then pound it back in the ground down the same hole. Eventually I got all 8 of them in, and probably should have gone for the 3-footers. There is a convenient slot near the top where you can run a 1/4" drip hose under the lid. My system at the moment has one drip hose at the base of the tree (on top of the soil) and a second going down to the bottom of the spike. I've only had this setup for two months now but the trees are liking it so far....
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1 of 1 people found the following review helpful By Cohasset Man on June 24, 2014
Size: 36 Inch Verified Purchase
I have a number of fruit trees. I had just been watering the ground, and some of the younger ones dried up in the hot sun while I was on vacation, despite the "deep soak". These stakes, and if you have trees, get the longest one, water up to 3 feed under the trees roots. You can depostte a deep soak well under the ground surface and have no evaporation loss. The tree, just 6 month old, survived my two week vacation no problem. This is really the way to go.
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1 of 1 people found the following review helpful By Aaron Angerbrandt on May 5, 2015
Size: 36 Inch Verified Purchase
Really good for what they are meant for. Perfect product...I would suggest buying the auger with it...kinda hard if you just need to pound it into the ground. Also extremely sturdy...i thought it would break if you had to pound it in but it didn't at all.
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1 of 1 people found the following review helpful By Mike von R on October 11, 2013
Size: 36 Inch Verified Purchase
If you have a lot of clay in your soil (as I do), then you will have to use an auger to create the hole in which to place the stake.
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Underhill A-DD36 Deep Drip Spikes for Palm Trees and Deeper Rooted Trees, 36-Inch
This item: Underhill A-DD36 Deep Drip Spikes for Palm Trees and Deeper Rooted Trees, 36-Inch
Price: $13.49
Ships from and sold by Amazon.com