Effective Microorganism (EM) - Activated

Organic Gardener's Pantry

  • $10.81
    Unit price per 

Taking Receipt

Activated EM™ contains effective microorganisms to boost growth in your soil and plants. Developed in Victoria, BC, these affordable liquid products contain live probiotics that support successful seed germination, nutrient uptake, water and soil quality, and much more. This multi-functional solution can help to reduce disease and improve overall plant health. 

Manufacturer-suggested application rate is between 1/3 cup and 1/2 cup per 1000 square feet. Mix at least 100 times as much water for soil applications and 250 times as much water when applying to foliage. Learn more by visiting the manufacturer's website. All YukonGrow blends of living soil contain Activated EM™.

Available in 4 L, 1 L, and 500 mL format.

CONTACT US for a Quote on your larger order needs such as full pallets.

IngredientsLiquid concentrate (activated) of beneficial microorganisms, featuring enhanced levels of Phototrophic, Purple Non-Sulfur Bacteria (PNSB), which have the ability to thrive in any environment—aerobic or anaerobic.
Certified Organic?

no, but mother culture is certified OMRI

Other Certification?no

Soil application: 1:100 in water

10 mL (2 tsp) per L

40 mL (just under 3 tbsp) per gal (4 L)

1 L per 25 gal (100 L)

1 gal (4 L) per 100 gal (400 L)

Foliar aplication on outdoors, mature plants: 1:250 in water

4 mL (just under 1 tsp) per L

16 mL (just over 1 tbsp) per gal (4 L)

1 L per 62.5 gal (250 L)

1 gal (4 L) per 250 gal (1,000 L)

Foliar application on houseplants or in a greenhouse: 1:1000 in water

1 mL (a few drops) per L

4 mL (just under 1 tsp) per 1 gal (4 L)

10 mL (2 tsp) per 2.5 gal (10 L)

1 L per 250 gal (1,000 L)

1 gal (4 L) per 1,000 gal (4,000 L)



Activated EM may continue to off-gas, especially after transport and during warm weather. Loosen cap to relieve pressure in bottle as needed, then close tightly again. 

Yeasty-white particles floating at the surface of the product is normal and does not affect quality.

Avoid spraying on blossoms and very young, tender seelings/plant tissues 

Store product undiluted, tightly seeled, and protected from direct sunlight, heat, and frost. Mix only what you need that day -diluted mixed product does not keep long.

Learn More

See Manufacturer's Website’ e.g. Uses, Benefits, Features, Directions, Application Rate, Handling Safety, Content Analysis

For products, simply place your order in and at checkout select how (pickup, delivery, shipping) and when to take receipt of your order.
For services, place your order in and at checkout select ''shipping'' and we will get back to you with details, for instance any visit date and fees.
For gift cards, place it in your cart and you will be directly taken to checkout.

YukonGrow primarily is an online store and at this time no brick-and-mortar or storefront exists to shop from ‒although this might change in the future; stay tuned! Visit the FAQ section for more info.