Now your well-developed tomato plant is ready to go in the ground, but if your plant looks anything like mine, digging a 2-foot-deep hole to bury the stem deeper is a little out of the question.
That’s when a method called troughing (or trenching) comes in handy.
Transplanting tomatoes in a trough involves a shallow transplant in the upper layer of soil where the richest nutrients are found, but still stimulates new roots to form along the length of stem that’s buried.
Since most of the root mass will be near the surface, water and fertilizer will reach the roots more evenly, and the warmer soil will induce plant growth.
Begin by digging a long trench (trough) about 4 to 6 inches deep, with a slightly deeper pocket on one end for the root ball.
Lay the tomato plant on its side in the trench, taking care not to damage the stem. Pinch off the lower branches. You should end up with just a top cluster of healthy leaves and several more inches of bare stem.
Cover the root ball and newly exposed stem with soil, up to the lowest branch. Fill in the areas around the rest of the plant with more soil, so that the trench is completely filled in and the soil is level. The plant will be oriented horizontally with its leaves and stem on the ground – don’t worry, this is what it’s supposed to look like for now.
Water thoroughly. Within the next sunny day or two, the plant will start to reorient itself upright and will continue to grow vertically like normal. If you anticipate cloudy days following the transplant, you can set a rock under the stem to get it started in the right direction.
Once the plant is upright, you can stake it however you wish. If you have a few tomato plants growing next to each other, try the Florida Weave trellising method — my favorite way to prop everything up easily!
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