We Use CookiesWe use cookies to enhance the security, performance, functionality and for analytical and promotional activities. By continuing to browse this site you are agreeing to our privacy policy

All Categories

Patio, Lawn & Garden

Gardening & Lawn Care

Perennial Fertilizer

Best Perennial Fertilizer

Name: Osmocote Smart-Release Plant Food Plus Outdoor & Indoor, 1 lb.
Brand: Osmocote
Price: 8.59 USD
Availability: InStock

From leading brands and best sellers available on the web.

Sponsored

Humboldts Secret

Humboldts Secret Golden Tree: World's Best Fertilizer (2.5 Gallon)

View on Amazon

Miracle-Gro

23%OFF

Miracle-Gro Shake 'N Feed Rose & Bloom Plant Food

10.0

score

View on Amazon

Jobe's Organics

Jobe’s Organics All Purpose Fertilizer Spikes, Easy Plant Care Fertilizer for Vegetables, Flowers, Shrubs, Trees, and Plants, 50 Count

10.0

score

View on Amazon

Espoma

8%OFF

Espoma Organic Grow! Liquid Concentrate Plant Food - All Purpose Fertilizer for Indoor & Outdoor Plants. for Organic Gardening. 16oz Bottle Pack of one

9.9

score

View on Amazon

Espoma

Espoma Organic Holly-tone 4-3-4 Evergreen & Azalea Plant Food; 4 lb. Bag; The Original & Best Organic Fertilizer for all Acid Loving Plants including Azaleas, Rhododendrons & Hydrangeas. Pack of 2

9.9

score

View on Amazon

Osmocote

9%OFF

Osmocote Smart-Release Plant Food Plus Outdoor & Indoor₁, Granular Fertilizer with 11 Essential Nutrients, 2 lbs.

9.8

score

View on Amazon

Espoma

Espoma Organic Bulb-Tone 3-5-3 Natural & Organic Fertilizer and Plant Food for All Spring and Fall Bulbs. 4 lb. Bag. Use for Planting & Feeding to Promote Vibrant Blooms

9.7

score

View on Amazon

Scotts

28%OFF

Scotts Super Bloom Water Soluble Plant Food, 2 lb - NPK 12-55-6 - Fertilizer for Outdoor Flowers, Fruiting Plants, Containers and Bed Areas - Feeds Plants Instantly

9.6

score

View on Amazon

Dr. Earth

Dr. Earth Acid Lovers Azalea, Camellia, Rhododendron & Maple Fertilizer 4 lb

Espoma

Espoma Organic Flower-Tone 3-4-5 Natural & Organic Plant Food; 4 lb. Bag; Organic Fertilizer for Flowers, Annuals, Perennials & Hanging Baskets. Blossom Booster

9.3

score

View on Amazon

How do we rank products for you?

Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.

Buying Guide for the Best Perennial Fertilizer

Choosing the right perennial fertilizer is crucial for the health and growth of your perennial plants. Perennials are plants that live for more than two years, and they require specific nutrients to thrive year after year. When selecting a fertilizer, it's important to understand the key specifications and how they align with the needs of your plants. This guide will help you navigate through the essential specs to consider, ensuring you pick the best fertilizer for your perennial garden.

N-P-K RatioThe N-P-K ratio stands for Nitrogen (N), Phosphorus (P), and Potassium (K), which are the primary nutrients in fertilizers. Nitrogen promotes leafy growth, phosphorus supports root development and flowering, and potassium enhances overall plant health and disease resistance. For perennials, a balanced N-P-K ratio like 10-10-10 is often recommended, but the specific needs can vary depending on the plant type. If your perennials are primarily foliage plants, a higher nitrogen content may be beneficial. For flowering perennials, a higher phosphorus content can promote more blooms.

Slow-Release vs. Quick-ReleaseFertilizers can be slow-release or quick-release. Slow-release fertilizers gradually release nutrients over time, providing a steady supply to the plants and reducing the risk of over-fertilization. Quick-release fertilizers provide an immediate nutrient boost but need to be applied more frequently. For perennials, slow-release fertilizers are generally preferred as they ensure consistent nutrient availability throughout the growing season. However, if your plants show signs of nutrient deficiency, a quick-release fertilizer can provide an immediate remedy.

Organic vs. SyntheticOrganic fertilizers are made from natural materials like compost, manure, or bone meal, and they improve soil health by adding organic matter. Synthetic fertilizers are chemically manufactured and provide precise nutrient ratios. Organic fertilizers are beneficial for long-term soil health and sustainability, while synthetic fertilizers offer more immediate and targeted nutrient delivery. If you prefer a more natural approach and want to improve soil structure, organic fertilizers are a good choice. If you need precise control over nutrient application, synthetic fertilizers might be more suitable.

MicronutrientsIn addition to the primary nutrients (N-P-K), plants also need micronutrients like iron, manganese, zinc, copper, and boron in smaller amounts. These micronutrients are essential for various physiological functions and overall plant health. Some fertilizers include these micronutrients, while others do not. If your soil is deficient in specific micronutrients, choosing a fertilizer that includes them can help address these deficiencies and promote healthier plant growth.

Soil pH CompatibilitySoil pH affects nutrient availability to plants. Some fertilizers are formulated to work best within specific pH ranges. It's important to test your soil pH and choose a fertilizer that is compatible with it. Most perennials prefer a slightly acidic to neutral pH (6.0-7.0). If your soil pH is outside this range, you may need to adjust it or choose a fertilizer that helps balance the pH.

Best Perennial Fertilizer

Related Products

Recommended lists

Buying Guide for the Best Perennial Fertilizer