8-3-5 Organic All-Purpose Fertilizer | OMRI Certified

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8-3-5 Organic All-Purpose Fertilizer | OMRI Certified

8-3-5 Organic All-Purpose Fertilizer | OMRI Certified

8-3-5 Organic All-Purpose Fertilizer

Description

8-3-5 Organic All-Purpose Fertilizer is a balanced, organic fertilizer formulated to support healthy plant growth across a wide range of applications. It delivers essential nitrogen, phosphorus, and potassium, along with added calcium, sulfur, and magnesium, to support overall plant health and development.

This fertilizer is OMRI Certified and CDFA Organic Certified, making it approved for use in certified organic production. Its granulated, homogenized formula allows for easy application and even nutrient distribution, with a low-odor formulation that contains no manure.

Designed for versatility, it can be used on vegetables, herbs, flowers, ornamentals, shrubs, fruit trees, containers, potted plants, and lawns in all growing regions. As a true organic fertilizer, it feeds both soil life and plant life while improving long-term soil health.

8-3-5 Origin Label PDF

Key Benefits

  • Balanced 8-3-5 N-P-K for all-purpose plant nutrition
  • OMRI Certified and CDFA Organic Certified
  • Includes calcium, sulfur, and magnesium
  • Helps reduce blossom end rot in tomatoes
  • Feeds soil biology and plants simultaneously
  • Low-odor formula with no manure
  • Safe for people, pets, and pollinators
  • Eco-friendly packaging made from 100% recycled and recyclable materials
  • Made in the USA and supports an American small business

Size Options & Coverage

  • Available Size: 4 lb bag
  • Coverage varies by application rate and use

Application Information

When to Apply

  • Plants: Apply pre-plant
  • Vegetable & Flower Gardens: Apply monthly during active growth
  • Trees & Shrubs: Apply in spring and fall during active growth
  • Containers & Potted Plants: Apply monthly during active growth
  • Lawns: Apply every 5–6 weeks during the growing season

How to Apply

  • Plants: Apply evenly and incorporate to a depth of 3–5 inches
  • Vegetable & Flower Gardens: Surface apply and lightly incorporate, avoiding root disturbance
  • Trees & Shrubs: Surface apply along and within the dripline
  • Containers & Potted Plants: Surface apply and lightly incorporate
  • Lawns: Evenly apply across the lawn

Application Rates

  • Plants: 2 cups per 10 sq ft
  • Vegetable & Flower Gardens: 1 cup per 10 sq ft
  • Trees & Shrubs: 2 cups per inch of trunk diameter
  • Containers & Potted Plants: 1/2 tablespoon per 6 inches of pot diameter
  • Lawns: 11.25 lbs per 1,000 sq ft
  • Water deeply following application

Product Specs

  • N-P-K Analysis: 8-3-5
  • Nitrogen: 8%
  • Additional Nutrition: Calcium, sulfur, magnesium
  • Coverage: Varies by application rate
  • Water-In Requirements: Water deeply following application
  • Product Type: Granular organic fertilizer

Frequently Asked Questions

Why choose 8-3-5?
If you haven’t soil tested yet, this is a great all-purpose fertilizer that can serve as the starting point for gardens, flower beds, shrubs, trees, and containers. It also serves as a great starter fertilizer for lawn establishment and repair.

What types of plants is an 8-3-5 fertilizer good for?
An 8-3-5 organic blend is commonly used as an all‑purpose fertilizer for lawns, landscape ornamentals, flowers, vegetable gardens, and containers because it supports foliage, root, stem, and flower growth without excessive burn risk.

What are the main benefits of using an 8-3-5 organic fertilizer instead of synthetic?
An 8-3-5 organic fertilizer provides slow-release nitrogen for sustained green color, supplies phosphorus and potassium for roots and stress tolerance, and contributes organic materials that can improve soil structure and microbial activity over time.

How does this organic fertilizer help reduce blossom end rot in tomatoes?
It contains added calcium, which helps support healthy fruit development and can reduce the likelihood of blossom end rot.

How does this granulated organic fertilizer improve soil health?
The organic ingredients feed soil life while providing plant-available nutrients, supporting long-term soil health and fertility.

Shipping & Support

Shipping Costs Free to most states within the U.S.
P.O. Boxes Not supported
State Restrictions Alaska (AK), Florida (FL), and Hawaii (HI)
Typical Delivery Time 4–7 business days
Returns / Exchanges / Cancellations All sales are final; no cancellations, returns, or exchanges.
Learn more
Customer Support Contact Yard Mastery Support

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