GARDENWISE 8-4-8 Acidic Fertilizer for Azaleas & Hydrangeas, 2 Qt — Iron-Rich, Slow-Release

GARDENWISE 8-4-8 is an acidic, iron-rich granular fertilizer designed to improve color and growth in acid-loving plants like azaleas, camellias, hydrangeas, blueberries, gardenias, magnolias, rhododendrons, and evergreens.

Many shade and acid-loving garden plants show yellowing leaves, poor bloom set, or stunted growth when soil pH drifts neutral or alkaline. This 2-quart formula combines an 8-4-8 N-P-K balance with supplemental iron, magnesium, and manganese, plus a bio-solid microbial boost to support nutrient availability and healthier root zones. It’s formulated to lower surface soil pH where feeder roots explore and to release nutrients gradually so you don’t need to feed more than a few times per season.

How does this fertilizer help acid-loving plants look greener and bloom better?

GARDENWISE 8-4-8 supplies key micronutrients that address common deficiencies in azaleas, hydrangeas, and camellias—especially iron and magnesium, which reduce leaf chlorosis and restore rich foliage tones. The gradual nutrient release supports steady growth and encourages fuller flowering without repeated applications.

• Provides bioavailable iron to reduce yellowing and improve leaf color.
• Includes magnesium and manganese for balanced chlorophyll production.
• Slow-release granules feed plants over weeks, lowering application frequency.
• Formulated specifically for acid-preferring species and woody ornamentals.

What makes this product a soil acidifier and how should I apply it?

The granules include components that help safely lower soil pH at the root zone, creating a more favorable environment for acidophilic plants. Application is simple: sprinkle around the drip line, work lightly into the topsoil, and water to activate the prills. Follow label rates for plant size and avoid over-application.

• Apply 3 times per year for steady nutrition: early spring, late spring, and mid-summer.
• Evenly broadcast around the base, keeping granules off stems and foliage.
• Rake or gently mix into the upper 1–2 inches of soil, then water thoroughly.
• Use soil pH testing for best long-term results and adjustment planning.

What is the role of the bio-solid microbes in this fertilizer?

This formula contains refined bio-solid-derived microbial matter processed to be safe and free of contaminants; these live microbes help improve soil biology, break down organic material, and enhance nutrient cycling. They work alongside minerals to make nutrients more accessible to roots and to support healthier soil structure over time.

• Introduces beneficial microbes that encourage nutrient mineralization.
• Supports organic matter breakdown and improved root-soil contact.
• Produced via heating, drying, and prilling to remove toxins and heavy metals.
• Complements rather than replaces good soil management practices.

How often will I need to feed and is this product cost-effective?

Thanks to its slow-release formula, most gardeners will fertilize only three times per year, making it economical for seasonal care. The sustained-release prills reduce the need for frequent touch-ups while delivering consistent nutrition across the growing season.

• Recommended feeding schedule: early spring, late spring, mid-summer.
• Slow-release action minimizes leaching and frequent reapplication.
• Suitable for containers and in-ground plantings when used at adjusted rates.
• One 2-quart container treats several shrubs depending on size—check label for specifics.

Who is this for? GARDENWISE 8-4-8 is aimed at home gardeners, landscapers, and hobby growers caring for acid-loving shrubs, flowering shrubs, and small fruit bushes that struggle in neutral or alkaline soils. If you grow azaleas, hydrangeas, camellias, rhododendrons, gardenias, blueberries, or magnolias and want a straightforward granular fertilizer that combines micronutrients, slow-release feeding, and a microbial soil boost, this product offers a practical, economical option to support healthier foliage and more reliable blooms.

Ingredients

Nitrogen (N): 8% - Essential for leaf growth and green foliage. Phosphorus (P): 4% - Important for root development and flower blooming. Potassium (K): 8% - Crucial for overall plant health and resistance to disease. Additionally, the fertilizer is enriched with essential micronutrients like magnesium, iron, and manganese, which are important for plant health, particularly in acid-loving plants.