What is Seaweed Fertilizer?

What is Seaweed Fertilizer?

Liquid seaweed is a powerhouse fertilizer. Not only is it an incredibly effective liquid lawn food, but it is also organic, comes from a sustainable source, and is safe for pets and kids. Many people don’t realize seaweed can be used as a fertilizer, but liquid seaweed fertilizer contains trace elements of magnesium, potassium, zinc, iron, and nitrogen, which are all critical for growing healthy plant life. Below we explain some of the reasons why seaweed fertilizer is one of our advanced lawn solutions to make your lawn as healthy as it can be.

Seaweed is also one of the oldest forms of natural fertilizer. Our seaweed formula contains the most studied type of seaweed, ASCOPHYLLUM NODOSUM. This specific type has been researched by Clemson University as being the most active and highest quality seaweed fertilizer. Coldwater seaweed tends to hold more deep-water nutrients and vitamins that are beneficial to plants.

How is Seaweed Fertilizer made?

The majority of seaweed-based fertilizers are made from kelp. Kelp is a large, brown algae that are typically found in highly concentrated areas called kelp forests. Kelp can grow up to 18 inches per day, and because of its dependence on photosynthesis, it’s usually found in cool, shallow waters close to shore.

In order for kelp to be turned into liquid fertilizer, it must be harvested, washed, dried, milled, and processed. This makes the seaweed into an easily digestible liquid packed with nutrients for your lawn.

Benefits of Seaweed Fertilizer

As we already mentioned, liquid seaweed is one of the best and safest fertilizers you can use for your lawn. Numerous studies have been conducted on the benefits of liquid seaweed fertilizer, and over and over again, the results show how many benefits there are from using seaweed as your preferred liquid lawn food.

Some of the benefits of using liquid seaweed fertilizer include:

  • University studies have shown that it enhances seed germination and plant growth
  • Reduction in pest infestations including red spiders, aphids, and roundworms
  • Strengthens plant immune system
  • Increases nutrient uptake from the soil
  • In comparison to animal manure used as a fertilizer, seaweed fertilizer provides equivalent amounts of nitrogen, phosphorus, potassium, and micronutrients
  • Seaweed fertilizer is economical and environmentally friendly

What do the Ingredients of a Seaweed Fertilizer do?

The benefits of seaweed fertilizer are clear, but it’s worth exploring how exactly seaweed fertilizer does all these amazing things and how it came to be one of our best-advanced lawn solutions. It has to do with the different components found in seaweed.

To start, it’s important to understand the different growth-promoting hormones in seaweed fertilizer.

  • Cytokinins

Cytokinins are plant hormones that help with numerous aspects of plant growth. They play an important role in cell division and growth, meaning they help initiate the growth process from seed to sprout to the vegetative state. Cytokinins can also help protect against environmental conditions like frost and drought, and can even help slow the aging process in plants.

  • Auxins

Auxins help promote cell division along with stem and root growth. Auxins also help plants bend towards the light. This means that auxins not only help with growth but also aid to ensure photosynthesis. 

  • Gibberellin 

Gibberellin increases a plants length, meaning it helps it grow taller. Gibberellin is responsible for cell elongation which makes the shoot or sprout grow out of the soil.

The other major component of a good fertilizer is that it has the nutrients your lawn needs to thrive. Seaweed fertilizer is full of nutrients that help your lawn reach maturity.

  • Nitrogen

Nitrogen is incredibly important for plant growth. It is responsible for protein and chlorophyll development, the chemical which makes your lawn green.

  • Phosphorus

Phosphorus is responsible for helping transfer energy from sunlight to plants. It also helps stimulate early root and plant growth.

  • Potassium  

Potassium helps increase the disease resistance of plants. Potassium also helps move the starches, sugars, and oils within plants.

Now that you know all the benefits of using seaweed fertilizer as your preferred liquid lawn food, it’s time to start using it! Head over to our store and find all the best-advanced lawn solutions to meet your needs during every season.


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