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Add 1–2 handfuls of crushed eggshells into the planting hole.
Mix with compost or soil to evenly distribute nutrients.
2. Eggshell Tea Fertilizer
When to apply: During growing season for a calcium boost.
Boil 10–12 crushed shells in 1 gallon of water for 10–15 minutes.
Let sit overnight, strain, and water your tomato plants with the liquid.
3. Top Dressing with Eggshell Powder
When to apply: Mid-season as plants begin to flower and fruit.
Sprinkle a thin layer of ground eggshells around the base.
Water lightly to help nutrients absorb into the root zone.
4. Composting Eggshells for Tomatoes
When to apply: Year-round in your compost bin.
Add crushed shells to your compost pile or bin.
Combine with vegetable scraps, leaves, and coffee grounds.
Turn the pile regularly to accelerate decomposition.
5. Eggshell Mulch for Pest Control
When to apply: After transplanting or during pest season.
Scatter coarse crushed shells around the tomato base.
Reapply after heavy rains or watering.
🚫 Common Mistakes to Avoid
Using Raw, Unclean Eggshells: Always wash and dry to prevent bacteria or pests.
Overapplication: Too much calcium can make soil too alkaline. Use in moderation.
Expecting Immediate Results: Crushed shells decompose slowly. For faster results, use eggshell tea or powdered shells.
Skipping Soil Testing: Check your soil’s pH and calcium levels before adding amendments.
🌱 Bonus Tomato Growing Tips
Combine with Compost: Mix eggshells with banana peels and coffee grounds for a complete organic fertilizer.
Rotate Crops: Avoid planting tomatoes in the same spot yearly to prevent nutrient depletion.
Water Consistently: Deep, regular watering prevents calcium deficiency.
Use Mulch: Straw or compost mulch helps retain moisture and reduces evaporation.
Plant Companions: Basil, marigold, and peppers boost growth and deter pests naturally.
📋 Eggshell Application Summary Table
Method When to Use How It Helps
Mixed in soil Before planting Improves calcium content, root development
Eggshell tea During growth Quick-release calcium, improves flowering
Top dressing Mid-season Slow-release calcium, boosts fruiting
Compost Anytime Improves soil biology, nutrient balance
Eggshell mulch Pest season Repels slugs and insects
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