🍅 Epsom Salt for Tomato Plants Calculator
Calculate the exact amount of Epsom salt your tomato garden needs based on area and application method
Soil Drench
Foliar Spray
Transplanting
Broadcast
Content
Content
Max Strength
Metric
| Method | Rate (Imperial) | Rate (Metric) | Per Unit | Frequency |
|---|---|---|---|---|
| Soil Drench | 1 tbsp per gallon | 15 ml per 3.8 L | Per plant | Monthly |
| Foliar Spray | 1 tsp per gallon | 5 ml per 3.8 L | Full canopy | Bi-weekly |
| Broadcast | 1 lb per 100 sq ft | 49 g per sq m | Bed area | Seasonally |
| Transplant Hole | 1 tbsp per hole | 15 g per hole | Per plant | Once at planting |
| Heavy Deficiency | 2 tbsp per gallon | 30 ml per 3.8 L | Per plant | Every 2 weeks |
| Container Plants | 1 tbsp per gallon | 15 ml per 3.8 L | Per container | Monthly |
| Measurement | Teaspoons | Tablespoons | Ounces | Grams |
|---|---|---|---|---|
| 1 teaspoon | 1 tsp | 0.33 tbsp | 0.18 oz | 5 g |
| 1 tablespoon | 3 tsp | 1 tbsp | 0.53 oz | 15 g |
| 1/4 cup | 12 tsp | 4 tbsp | 2.12 oz | 60 g |
| 1/2 cup | 24 tsp | 8 tbsp | 4.23 oz | 120 g |
| 1 cup | 48 tsp | 16 tbsp | 8.47 oz | 240 g |
| 1 pound (lb) | 90 tsp | 30 tbsp | 16 oz | 454 g |
| Plants | Water (gal) | Epsom Salt | Metric Water | Metric Salt |
|---|---|---|---|---|
| 1 plant | 1 gal | 1 tbsp (15 g) | 3.8 L | 15 g |
| 2 plants | 2 gal | 2 tbsp (30 g) | 7.6 L | 30 g |
| 5 plants | 5 gal | 5 tbsp (75 g) | 18.9 L | 75 g |
| 10 plants | 10 gal | 10 tbsp (150 g) | 37.9 L | 150 g |
| 20 plants | 20 gal | 20 tbsp (300 g) | 75.7 L | 300 g |
| 50 plants | 50 gal | 50 tbsp (750 g) | 189.3 L | 750 g (1.65 lb) |
Epsom Salt commonly uses in gardening for Tomato Plants even so it works best only in one situation. The main element of Epsom Salt is made up of magnesium sulfate, that delivers magnesium and sulfur to the plants. Both form nourishments from the soil.
Actually, magnesium forms the central metallic ion in chlorophyll molecules, so it helps the plant convert sunlight into energy. If it lacks magnesium, a plant can yellow and grow poorly.
When to Use Epsom Salt on Tomato Plants
Magnesium strengthens the cell walls of plants and eases their absorption of nourishments. It also backs the formation of flowers and fruits in tomatoes and peppers. Especially in tomatoes, magnesium helps the uniform ripening of fruits.
If we keep magnesium at that level, that can cause more flowres, more fruits, strong plants with more deep green color and better, sweet tomatoes.
Epsom Salt can help plants more easily absorb other basic nutrients, for instance nitrogen and phosphorus. That improved absorption of nourishments matters during important phases of growth, as flowering and fruiting. One can even apply Epsom Salt solution at the end of the season too expand the output of tomatoes and peppers and to keep plants green and thick.
Here comes the difficult part. One should use Epsom Salt only when genuinely needed. Before changing the soil, do a soil test.
Too much nourishments can injure just like absences. Hear that, what does not require, simply wastes resources. When the soil already has enough magnesium, adding more will not be useful.
Too much Epsom Salt causes real problems. It raises the salt content in the soil, because chemically it is salt. Plenty of magnesium can block the absorption of calcium by the plant, what leads to decay of the blossom end.
That is the black mark on the bottom of tomato flowers. So something, what intends to help, can reduce the results if one uses too much. Common practice is to lay Epsom Salt in every planting hole during planting of tomatoes.
Too much dose right away can stop the growth of plants and block flowering.
When one already uses full fertilizer for tomatoes, adding Epsom Salt above it probably does not help. Best mix Epsom Salt with water to apply it, instead of putting it directly on the leaves. Typical way is one spoon each liter of water in a spray bottle, to wet the leaves.
Epsom Salt works genuinely only in case of magnesium absence in the soil. Outside of that, it is not the universal cure, thatone occasionally believes.
