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How to Grow Tomatoes in Pots

easyGardening45-70 days to harvest10 steps

Safety Warnings

  • Avoid high-nitrogen fertilizers (like lawn fertilizer) as they delay flowering and fruiting.

Tools Needed

Pot/ContainerAt least 20 inches in diameter with drainage holes
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Drip TrayPlaced under pot to catch excess water
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Stakes or CagesStout stakes or wire cages to keep fruit off ground
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Tying MaterialCloth or tape (approx. 1 inch wide) to avoid cutting stems
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Materials

Potting MixLoose, well-draining mix with organic material(at least 12 inches deep)
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Tomato SeedlingsDeterminate, bush, dwarf, or cherry varieties(1 plant per pot)
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Organic Tomato FertilizerPhosphorus-rich or bone meal(one handful per planting hole)
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Liquid FertilizerManure tea, compost tea, or starter fertilizer(as needed)
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Steps

1
Prepare a large container (min 20" diameter) with drainage holes and fill with at least 12 inches of well-draining potting mix.
Tip: Place a tray underneath the pot to catch excess drainage.
2
Select container-friendly varieties such as determinate, bush, dwarf, or cherry tomatoes.
Tip: Varieties like 'Tiny Tim' or 'Tumbling Tom' are ideal for small spaces.
3
Pinch off a few of the lower leaves of the seedling before planting.
Tip: This prepares the plant for better root development.
4
Plant one seedling per pot. Set the root ball deep enough so bottom leaves are just above the soil surface, or plant 1 inch deeper than the original container.
Tip: Roots will develop along the buried stem.
5
Add a handful of bone meal or organic tomato fertilizer to the planting hole.
Tip: Avoid high-nitrogen fertilizers to ensure fruit production.
6
Water the plant immediately after planting and leave a slightly sunken area around the stem to hold water.
Tip: Liquid fertilizers like compost tea can be beneficial at this stage.
7
Place the pots in a location that receives at least 6 hours of sunlight per day.
Tip: Full sun is critical for fruit ripening.
8
Maintain consistent soil moisture; check daily and increase water during heat waves.
Tip: Containers dry out faster than garden soil.
9
Install stakes or cages early to keep developing fruit off the ground and prevent bending.
Tip: Stake now to avoid disturbing the roots later.
10
Harvest fruit once they reach maturity, typically 45-70 days depending on the variety.
Tip: Cherry tomatoes are often the most successful in containers.

Pro Tips

  • Use cloth or tape rather than twine to tie plants to stakes to prevent injuring soft stems.
  • If growing taller varieties, restrict them to a single stem by pinching out side shoots.
  • Prevent root rot by ensuring the potting mix remains well-draining.

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Sources

Synthesized from 6 verified sources:

Old Farmer's AlmanacView →
Gutenberg: War Gardens GuideView →
Gutenberg: Farm Gardening GuideView →
Old Farmer's AlmanacView →
Wind River Greens Plant DatabaseView →
Wind River Greens Plant DatabaseView →