Trench Tomato Planting

The secret to great tomatoes is all in the roots.

May 18, 2011

The secret to great tomatoes is all in the roots. Plants with big root systems need less water and can stand up—literally—to summer storms. So what can you do to encourage your tomatoes to put down robust roots? Start by taking a look at the stems of your tomato seedlings. The fine "hairs" lining the stem develop into roots when they come into contact with soil. Burying a large portion of the stem at planting time effectively doubles the size of the plant's root system and encourages productive plants.

Continue reading for step-by-step instructions.


Trench Planting:

Step 1

Dig a 4-to-6-inch-deep trench that is as long as your tomato seedling is tall.


Trench Planting:

Step 2

Remove the seedling from its pot and gently massage the rootball apart. Snip off the leaves on the lower portion of the stem, leaving two to four sets of leaves at the top of the stem to ensure enough leaf surface for photosynthesis.


Trench Planting:

Step 3

Lay the plant horizontally in the trench. Backfill with soil, gently bending the stem of the tomato upward so the leaves remain above ground. Don't worry, your "Leaning Tower of Pisa" will straighten as it grows.


Trench Planting:

Step 4

Place a cage around the plant or stake it immediately after planting. If you wait until later, you may disturb your tomato's growing root system.

For more information on growing tomatoes, see our Tomato Growing Guide.

Or watch a video about planting tomatoes.

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