Comparison: Best Fish Emulsion For Squash (Updated | Dec 1st)

Squash benefits from a balanced nitrogen boost for foliage and a moderate phosphorus level for fruit set, so a 2-3-1 or 5-1-1 ratio works well. Ratios like 2-3-1 provide steady growth without excessive leaf growth, while 5-1-1 gives a stronger nitrogen push for vigorous vines. Choose the ratio that matches your soil test and growth stage.

Liquid concentrates, such as the 1‑gallon Alaska or Safergro Aqua Power, are easy to mix and apply directly as a soil drench or foliar spray, which is convenient for frequent feeding. Powdered formulas like the 12‑2‑2 powder offer higher concentration per weight and produce less odor, making storage and handling simpler. For squash, the liquid form allows quick nutrient uptake, while powder can be more cost‑effective for large garden beds.

Yes, strong fishy odor can be off‑putting, especially for indoor or close‑quarter gardening. Products that are deodorized (e.g., Alaska Fish Emulsion with wintergreen) or dry powders (e.g., 12‑2‑2 powder) minimize the smell. If you prefer a natural scent, choose an undiluted liquid, but be prepared for a noticeable aroma.

Organic certification, such as OMRI‑listed Safergro Aqua Power, guarantees the product meets strict organic standards and contains no synthetic additives. This can be important for gardeners following organic practices or selling produce at farmers markets. Certified products may cost a bit more, but they provide peace of mind and often include beneficial microbes.

For leafy growth on squash vines, a weaker mix (1‑2 Tbsp per gallon of water) supplies enough nitrogen without burning tender foliage. When the plants are setting fruit, you can increase to 2‑3 Tbsp per gallon to boost phosphorus and potassium. Always start with the lower rate and adjust based on plant response.

Large‑volume liquids like the 1‑gallon Alaska or 1‑gallon organic fish emulsion provide the lowest cost per ounce, ideal for extensive squash patches. Smaller 8‑oz bottles (e.g., Fish Emulsion 8 oz) are pricier per ounce but useful for trial or small container gardens. Powdered options offer high yield per pound, delivering the best value for large acreage when mixed into many gallons of water.

Yes, many fish emulsions are safe for foliar application, delivering nutrients directly to leaves for rapid uptake. The 1‑gallon organic fish emulsion (2‑3‑1 NPK) and Safergro Aqua Power are formulated for both soil drench and foliar use. Dilute according to label instructions (typically 1‑2 Tbsp per gallon) and apply in the early morning or late afternoon to avoid leaf burn.

Products that include kelp (e.g., EB Stone Fish Emulsion with Kelp) or extra amino acids and vitamins (Safergro Aqua Power) help improve soil biology and nutrient availability. These additives promote beneficial microbes, improve root development, and can increase disease resistance in squash. Choosing a formula with such extras adds value beyond basic NPK nutrition.