Homemade Seaweed Fertilizer


If you live close to a body of water that is big enough to toss seaweed up on the beach, you don’t want to pass up this gift for your garden, therefore you may want to try your hand at making seaweed fertiliser on your own. The seaweed itself is rich in a variety of minerals and nutrients, all of which will contribute to the improvement of your soil and will nourish your plants. You may use the bigger pieces, which are also known as kelp, as a structured organic material to increase the porosity and moisture retention of your soil, or you can use it as a mulch to put over the top of your garden.

Seaweed Fertilizer Benefits

Your garden may get significant benefits from the incorporation of seaweed into the soil. A compost pile made with seaweed may be improved, and the seaweed itself can be brewed into a tea that can be used to nourish both the soil and the leaves of plants.

According to an article published in Garden Culture Magazine, seaweed alone has over sixty distinct chemicals that are beneficial to the growth and development of plants. These contain natural growth hormones, amino acids, minerals, vitamins, and other chemicals. Because they are low in nitrogen, potassium, and phosphorus, there is a very little chance that your garden plants may be shocked or burned. Seaweed may also be used as a disease preventive since it includes fungal disease preventatives. These preventatives are beneficial not only when seaweed is incorporated into the soil but also when seaweed is sprayed directly onto the leaves of plants.

How To Obtain Seaweed

Even while you may often discover seaweed scattered across the sand at beaches, you are not free to pick it up and take it with you. Because many coastlines are protected, it’s possible that you won’t be able to gather kelp from those particular regions. Before you make an effort to gather seaweed, it is important to first check the restrictions that apply in your region. It is common practise for beaches to allow visitors to take home modest quantities of sea plants, particularly if the plants were discovered below the high tide level or were floating in the water. You might try looking for this information online, or you could ask a lifeguard or someone working at the park office about it.

You can usually get seaweed snacks at the grocery shop, or you can utilise comparable plant life that is accessible in the aquatics area of the nearby pet store. Both options are good alternatives if you aren’t located near a beach. You may also get the natural product online, and it will often come in a dried form. However, at that point, you might as well order a seaweed-based fertiliser mix that has already been processed and is ready to be used directly or blended with water.

Both dried and brewed seaweed may be used as a fertiliser for your plant, although the two methods are the most common. Seaweed that has been dried may either be mulched into smaller pieces or pulverised into a powder that can then be applied to the ground directly. In addition, this product may be used with planting soil in order to assist contribute structure and nutrients. It is common practise to insert larger pieces of kelp at the bottom of planting holes for potatoes or tomatoes. This not only provides fertilising but also ensures adequate drainage.

Seaweed Fertilizer DIY

According to the staff at Horticult, in order to convert liquid seaweed fertiliser into an organic form, you will need to steep a significant amount of seaweed in water for a number of weeks. This process will take many weeks. Because of this, the procedure will result in an unpleasant odour; thus, you should be sure to position the bucket or tub in which the tea is steeping in a location that will not disrupt your home (or your neighbors). The smell will ultimately go away as the seaweed breaks down and dissolves into the water, and the solution that is produced will have an odour similar to that of the sea. You will want to wait until the majority of the plant material has dissolved before continuing. This will cause the water to become infused with seaweed, similar to a seaweed tea, which will include the nutrients and plant hormones brought by the seaweed.

You may strain this water, then put it to a spray bottle or your ordinary sprayer, and then spray it straight into the leaves of your plants and the soil around them. This will help nourish both the plants and the soil. After straining out the seaweed, you may put what’s left to the compost pile or allow it to dry out so that you can utilise it elsewhere in the yard.

You can strain this water and add it to a spray bottle or your regular sprayer and spray it directly onto the leaves of your plants and the surrounding soil. The seaweed remains you’ve strained out can then be added to the compost pile or dried to be used elsewhere in the garden.