You are currently viewing Want To Grow Better Plants? Your Quality Organic Fertilizer & Soil Amendment Guide

Want To Grow Better Plants? Your Quality Organic Fertilizer & Soil Amendment Guide

This is your complete easy to shop list of awesome organic fertilizers & soil amendments. Use these organic fertilizers indoors on your houseplants or outdoors in your garden.

Build The Organic Material In Your Soil First

Quick note about using manufactured fertilizers… even if they are organic. These should always come second to building organic material and an abundant microbiome in your soil with compost and/or vermicompost.

The first and best choice is to feed your soil with as much organic material as you possibly can. This means adding compost, well rotted manure and earth worm castings (vermicompost) in abundance to build a nutrient dense and bioactive soil to feed your plants (Learn how to make your own easy compost system here).

Supplement Where Needed

It does take time to build a great quality soil. If you are starting with a pour soil or have a limited supply of compost / vermicompost (worm castings) then you will need to consider other options to support plant growth and ensure good production.

Below is a list of several great options of other organic processed fertilizers. In most cases the items listed below are designed to feed the plant and not the soil organisms. Focus on building a great nutrient dense soil and you will significantly reduce your need to supplement additional nutrients. Use these in conjunction with building great soil not instead of. 

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A Quick Word Of Caution

Manufactured organic fertilizers provide a quick boost of nutrients to your plants and requires caution in not over doing it. Pay close attention to the N-P-K ratios listed on the package and look for the most balanced or combine several to give you the balance. DO NOT over feed with these. Read the application quantity and follow it closely. Even erring on the side of less is more.


Organic Fertilizers

Gro4 Organics Premium Earthworm Castings

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Earthworm castings are one of the most nutrient dense fertilizers you can get. The best part is it incorporates a high concentration of humus (organic material) into your soil which holds moisture well while creating a great home for microbes.

This is a great brand you can purchase online. Starting your own worm bin is super easy as well. Join my blog for tips on starting your own bin!

Jobe’s Organics All Purpose Granular Fertilizer 4-4-4

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Jobe’s is a popular organic brand that is easy to find. This water soluble is a great fertilizer with a lower (4-4-4) ratio to keep on hand if you know some plants are going to need an extra boost. 

Find it here

Gaia Green Organic All Purpose Fertilizer 4-4-4

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A popular balanced fertilizer. This is a granular formula that is mixed straight into the soil.

This is my favorite all purpose fertilizer to keep on-hand for when potted plants need a boost.

More easily found online. 

Jobe’s Organics Bone Meal Soil Additive 4-10-0

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Bone Meal is a popular additive for nitrogen and potassium. This is something that can be used to help with transplanting and root growth.

I like to add a little bit of this type of fertilizer only when planting trees.

You can find it here

Promix Organic Blood Meal Plantboost 8-0-0

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Promix is a great quality brand this is also easy to come by. Blood meal is used to increase nitrogen which is a vital piece for leaf growth and colour.

If you are planting with a lot of carbon type materials then adding a high nitrogen organic fertilizer like blood meal can bring balance to your soil.

Find it here

 Miracle-Gro Nature’s Care Organic Blood Meal 12-0-0

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This is a blood meal with a higher concentration. Higher concentrations require a little bit more caution so you don’t over do it, especially if you are growing in a container. You can easily cut the dosage amount down though and use as required.

Also a great organic fertilizer that is easily accessible at most growers or online here. 

Alaska Fish Fertilizer Concentrate 5-1-1

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Lots of plants really appreciate good fish emulsion. The nice thing with this one is the lower nitrogen with a little bit of potassium and phosphorous. One of the oldest ways additional fertilizer was added to soil was too burry a fish under a plant. Not recommended for indoor use as it does have an odour.

Alaska is a popular brand found locally and online. 

Premium Mycorrhizal Inoculant – Mycorrhizae Wallace Organic Wonder

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Our main goal in growing healthier soil is to increase microbial and mycorrhizal activity. This inoculant introduces one strain and can be very helpful in container gardening where the environment is isolate from the earth.

You can find it here. 

Gaia Green Kelp Meal – A Rich Source of Biologically Balanced Trace Minerals 1-0-3

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You can think of trace mineral like the micronutrients of your diet. Essential to building strong and health plants that produce nutrient dense foods. Use this alongside your organic fertilizers to boost plant health.

Find it here. 

MARPHYL Organic Liquid Soil Enhancer with All Natural Marine Phytoplankton

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This is a a micro algae that is full of nutrients, vitamins and minerals. It does have a strong smell that isn’t the greatest but my plants has responded to it really well! 

Find it here.

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