Neptune's Harvest 0-0-1 Seaweed Plant Food

• OMRI Listed 0-0-1 
• 1-Gallon Concentrate 
• > 60 Natural Nutrients
• Rooting, Stress Tolerance, & Alternate-Feeding 

Neptune’s Harvest 0-0-1 Seaweed Plant Food is a simple way to add ocean-sourced micronutrients and natural plant compounds to your regular feeding routine. Made from Ascophyllum nodosum seaweed harvested from the North Atlantic, it contains over 60 naturally occurring nutrients, like auxins, cytokinins, and gibberellins, that support root development, overall plant tone, and recovery through stressful weather. This 1-gallon concentrate is easy to rotate in between other fertilizers, especially fish-based feeds, when you want steady nutrition without overloading nitrogen. We recommend it for gardeners who want a flexible, organic supplement that works across vegetables, flowers, shrubs, and containers.

This seaweed plant food is also useful at the beginning of the season. Used as a seed inoculant or early feed, it can help support quicker germination and a stronger start for young plants. Once plants are established, it works as a foliar spray or soil drench during heat, drought, or late-season swings where you’re trying to keep growth consistent.

Product Specs

• Guaranteed analysis: 0-0-1 (soluble potash 1%)
• Size: 1 gallon (128 oz)
• Organic status: OMRI listed
• Primary ingredient: Ascophyllum nodosum seaweed extract

Product Tips

• Shake well and only mix what you will use that day; don’t store diluted solution.
• Alternate with a fish fertilizer for a simple feeding program that covers both macros and micros.
• Foliar feeding works best early or late in the day; wet both leaf surfaces for better coverage.
• For seedlings, keep rates gentle and focus on even moisture and drainage.
• If you’re using it outdoors, rinse your sprayer and nozzle after application to prevent residue buildup.

FAQs

What does 0-0-1 mean on this product?

It means the fertilizer analysis provides 0% nitrogen, 0% phosphorus, and 1% potassium (soluble potash). It’s primarily used for micronutrients and plant-support compounds rather than NPK feeding.

How to use Neptune’s Harvest Seaweed Plant Food 0-0-1?

Shake well, then dilute and apply as a soil drench or foliar spray. For outdoor plants, mix 1/8 cup (1 fl oz) per gallon of water and apply every 1–2 weeks. For houseplants, mix 1 tablespoon per gallon and feed on a regular schedule, avoiding leftover solution sitting in saucers.

Can it be used for seed starting?

Yes. It can be used as a seed soak at 1 teaspoon per cup of water to support quicker germination and early root development.

Should I use it alone or with another fertilizer?

It can be used alone as a supplement, but it’s commonly paired with Neptune’s Harvest Fish Fertilizer in alternating feedings for a more complete program.

What guarantee comes with it?

It’s covered by A.M. Leonard’s 30-Day Down to Earth Guarantee.

SKU:

123SWG-AML