by 
The Curious Bag
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<h4 class="dechead">On One Hand: Results Not As Plentiful
Topsy Turvy, a plant apparatus, grows tomato plants upside down, causing water and nutrients to flow downward to the fruit. According to "Popular Mechanics," from lab test results, when compared to tomato plants in the ground planted the same day, the Topsy Turvy tomato plant was much shorter and produced fewer tomatoes than the in-ground plant.
On the Other: Successful Results
In another test performed by KFVS12 News in Cape Girardeau, Missouri, participants were able to successfully grow tomatoes with the Topsy Turvy, including a local gardener who had been making his own version of a Topsy Turvy and growing tomatoes, herbs and marigolds in it.
Bottom Line
Topsy Turvy results don't compare to the results from planting tomato plants in the ground, but a Topsy Turvy can be an alternative to in-ground planting that can yield sufficient results for some gardeners.
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