Epsom salt or magnesium sulfate is the one salt that is definitely going to help your plants during flowering and fruiting phase of their life cycle.
This is a long kept secret ingredient of successful gardening recipe.
How does Epsom salt help gardeners
Epsom salt or magnesium sulfate contains magnesium and sulphur which along with being essential nutrients to plants also help their bloom and keeping them healthy during fruiting and flowering.
Magnesium catalyses formation of chlorophyll pigment in plants and also assists the plant for better absorption of other nutrients specially nitrogen and phosphorus.
Sulphur on the other hand is an immunity booster for the plants helping them to fight disease naturally.
Be aware that different plants obviously have different requirements of nutrients like beans and leafy vegetables,which are light feeders will happily grow in low magnesium while on the other hand your rose, tomatoes and peppers, being heavy feeders require lots of magnesium to absorb lots of nitrogen from the soil, and therefore, are more commonly watered with Epsom salt.
Overall there is no harm done to your plants when you apply this gardening trick.
How to apply Epsom salt
direct watering or foliar spray both work very well with your home garden. use of diluted solution is advisable 1 tea spoon mixed well in 1 litre of water.
How many times to apply Epsom salt
Though a soil test is the best way to do it but once or twice application of Epsom salt in your garden wont bother your green friends at all.
plants with heavy nutrient requirements like roses , tomatoes , chillies and most fruiting ones will cherish both foliar spray and direct watering since their consumption rates are quite high.
In the end gardening is one big experiment and using such tricks and tips in your garden will excel your kitchen garden productivity without relying on hazardous chemicals