Tomato Planting Depth For Cold Soils. Science Shows It Comes Down To This & The TRUTH Is Shocking!

Is it worth planting your tomato deeper in cold climates? In particular in Canada where the soil can be cooler till later in the year. The answer may be surprising … it was for me. This has been my garden heartbreak of the year because my tomato planting regime was the deeper the better. To be completely honest the information on this is surprisingly murky. There are not a lot of peer-reviewed studies and even fewer when it comes to a definitive conclusion. This next part I am about to outline is going to rock the boat but this is my literary research the following is a general consensus.

1. Planting tomatoes deeper protects the roots from temperature stress in two ways.
Wild fluctuations in hot/cold soil can stress out our plants. The deeper our primary root system is the less likely it is to be exposed to rapid temperature changes
Cooler roots – Overall as we get lower in the soil profiles we see colder temperatures. These cooler temperatures in a hot environment can help the plant regulate itself in times of extreme heat.
2. Planting tomatoes deeper gives the plants more support and structure.
The depths in which the plants were included root balls, cotyledons & first true leaves… not as far as you can make it fit. The plants that were planted to a depth of the first true leaves yielded the highest number of large fruits. Whereas the root ball placed plants yielded the lowest. BUT… These studies were performed in Florida and not in a cold climate like Canada.

Learn More Here:
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A B O U T M E:
Ashley is a soil scientist who has had a passion for plants since she was a small child. In the long summers as a child, she would garden alongside her grandmother and it was then that she realized her love for greenery. With years of great studying, Ashley had begun her post-secondary education at the University of Saskatchewan.
At first, her second love, animals, was the career path she chose but while doing her undergrad she realized that her education would take her elsewhere. And with that, four years later she graduated from the University of Saskatchewan with a bachelor’s degree in science and a major in Soil Science.
Some of Ashley’s interests are YouTube, in which she posts informative videos about plants and gardening. The focus of Ashley’s YouTube channel is to bring science to gardening in a way that is informative but also helpful to others learning to garden. She also talks about the importance of having your own garden and the joys of gardening indoors. Ashley continues to study plants in her free time and hopes to expand her YouTube channel as well as her reach to up-and-coming gardeners.
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