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Rose Fertilizers

10 Best Rose Fertilizers 2025 in the United States

#1

Winner

9.8 score

BioAdvanced All-In-One Rose and Flower Care, Granules, 4 lb

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BioAdvanced All-In-One Rose and Flower Care, Granules, 4 lb

BioAdvanced

9.8 score

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BioAdvanced All-In-One Rose and Flower Care is a convenient granule fertilizer designed to support healthy rose plants by promoting strong roots and vibrant blooms. This product doubles as a multi-purpose treatment by combining fertilizer with pest and disease control, making it ideal for those seeking an all-in-one solution without buying multiple products. It contains synthetic active ingredients like Imidacloprid and Tebuconazole that target common rose pests such as Japanese Beetles and Aphids, as well as fungal issues like Black Spot and Powdery Mildew.

Rating
9.8
Chosen by1,338
Type of Fertilizer
Application Frequency

Most important from
12946 reviews

Type of Fertilizer
The concentrate version outperforms the granular form, delivering noticeably better results in rose vitality and pest protection.
Application Frequency
Though a bit pricey, its long-lasting effect reduces the need for frequent applications, making it cost-effective over time.
#2
9.6 score

Jobe's Organics Granular Rose Fertilizer, Organic Plant Fertilizer for Rose, Hydrangea, Hibiscus, Azalea, and Other Flowering Shrubs, 4 lbs Bag

Jobe's Organics Granular Rose Fertilizer, Organic Plant Fertilizer for Rose, Hydrangea, Hibiscus, Azalea, and Other Flowering Shrubs, 4 lbs Bag

Jobe's Organics

9.6 score

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Jobe's Organics Granular Rose Fertilizer is a well-regarded option for gardeners looking for an organic solution to nourish their roses and other flowering shrubs. With a 3-4-3 NPK ratio, it provides a balanced supply of nitrogen, phosphorus, and potassium, which are essential for vibrant blooms and healthy foliage. Being an organic fertilizer, it is free from synthetic chemicals, making it a safer choice for the environment and for gardeners who prefer natural products.

Rating
9.6
Organic vs. Synthetic

Most important from
7326 reviews

Organic vs. Synthetic
The organic nature of the fertilizer provides peace of mind for use around pets and in eco-friendly gardening.
#3
9.3 score

BioAdvanced All-In-One Rose and Flower Care I, Granules for Insects 4 lb

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BioAdvanced All-In-One Rose and Flower Care I, Granules for Insects 4 lb

BioAdvanced

9.3 score

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The BioAdvanced All-In-One Rose and Flower Care is a well-rounded choice for those looking to enhance their rose plants' health with minimal effort. Priced for convenience, this granule-based fertilizing product also serves as an insect killer and fungicide, making it a three-in-one solution. It works by promoting strong roots and vibrant blooms thanks to its effective formulation. The fertilizer is synthetic, which ensures a quick uptake of nutrients by the plants but may not be suitable for those specifically seeking organic alternatives.

Top 10 Best Rose Fertilizers 2025 in the United States

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Gardenera

Gardenera Premium 𝐀𝐋𝐋-𝐏𝐔𝐑𝐏𝐎𝐒𝐄 𝟏𝟎-𝟏𝟎-𝟏𝟎 𝐋𝐢𝐪𝐮𝐢𝐝 𝐅𝐞𝐫𝐭𝐢𝐥𝐢𝐳𝐞𝐫 for Lawns, Plants, Vegetables, Fruits & Flowers, Liquid Plant Food 10-10-10 for Indoor/Outdoor Plants (32 OZ)

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#1

Winner

9.8 score

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BioAdvanced

BioAdvanced All-In-One Rose and Flower Care, Granules, 4 lb

Type of Fertilizer: Granules
Organic vs. Synthetic: Synthetic
Application Frequency: Up to six weeks

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20% OFF

Chosen by 1338 this week

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Gardenera

Gardenera Premium 𝐀𝐋𝐋-𝐏𝐔𝐑𝐏𝐎𝐒𝐄 𝟏𝟎-𝟏𝟎-𝟏𝟎 𝐋𝐢𝐪𝐮𝐢𝐝 𝐅𝐞𝐫𝐭𝐢𝐥𝐢𝐳𝐞𝐫 for Lawns, Plants, Vegetables, Fruits & Flowers, Liquid Plant Food 10-10-10 for Indoor/Outdoor Plants (32 OZ)

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#2

9.6 score

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Jobe's Organics

Jobe's Organics Granular Rose Fertilizer, Organic Plant Fertilizer for Rose, Hydrangea, Hibiscus, Azalea, and Other Flowering Shrubs, 4 lbs Bag

N-P-K Ratio: 3-4-3
Type of Fertilizer: Granular
Organic vs. Synthetic: Organic
Application Frequency: Every 6 weeks

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#3

9.3 score

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BioAdvanced

BioAdvanced All-In-One Rose and Flower Care I, Granules for Insects 4 lb

Type of Fertilizer: Granules
Organic vs. Synthetic: Synthetic
Application Frequency: Up to 6 weeks

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20% OFF
#4

9.1 score

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Great Big Plants

Great Big Roses – Soil and Rose Fertilizer Booster to Grow The Best Roses and Flowers; Rose Food Compost Extract for Rose Bush, 1 Gallon Concentrate (Makes 32 Gallons)

Type of Fertilizer: liquid concentrate
Organic vs. Synthetic: USDA organic certified
Micronutrients: compost, humic acids, chelated minerals

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#5

8.8 score

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Osmocote

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

Type of Fertilizer: granular
Organic vs. Synthetic: synthetic
Micronutrients: includes micronutrients
Application Frequency: once every six months

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9% OFF

Related Products

#6

8.6 score

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Scotts

Scotts Rose & Bloom Continuous Release Plant Food, 3 lb

N-P-K Ratio: 12-4-8
Type of Fertilizer: Granules
Organic vs. Synthetic: Synthetic
Application Frequency: Up to 2 months

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22% OFF
#7

8.3 score

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Miracle-Gro

Miracle-Gro Shake 'N Feed Rose & Bloom Plant Food, 8 lb.

Type of Fertilizer: Granules
Organic vs. Synthetic: Synthetic
Application Frequency: Up to 3 months

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#8

8.0 score

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Scotts

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

N-P-K Ratio: 12-55-6
Type of Fertilizer: Water-soluble
Organic vs. Synthetic: Synthetic
Application Frequency: Every 1-2 weeks

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15% OFF
#9

7.8 score

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Espoma

Espoma Organic Rose-Tone 4-3-2 Organic Fertilizer for All Types of Roses and Other Flowering Plants. Promotes Vigorous Green Growth and Abundant Blooms. 4 lb. Bag - Pack of 2

N-P-K Ratio: 4-3-2
Type of Fertilizer: Granules
Organic vs. Synthetic: Organic
Micronutrients: 5% calcium
Application Frequency: Monthly May to September

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13% OFF
#10

7.5 score

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Down To Earth All Natural Fertilizers

Down to Earth Organic Bone Meal Fertilizer 3-15-0, 5 lb

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6% OFF
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Buying Guide for the Best Rose Fertilizers

Choosing the right fertilizer for your roses is essential to ensure they grow healthy and produce beautiful blooms. Fertilizers provide the necessary nutrients that roses need to thrive. When selecting a fertilizer, it's important to understand the key specifications and how they impact your plants. This guide will help you navigate through the important aspects of rose fertilizers and how to choose the best one for your garden.
N-P-K RatioThe N-P-K ratio represents the percentage of Nitrogen (N), Phosphorus (P), and Potassium (K) in the fertilizer. Nitrogen promotes healthy leaf and stem growth, Phosphorus supports root development and flower production, and Potassium enhances overall plant health and disease resistance. For roses, a balanced ratio like 10-10-10 or a slightly higher Phosphorus content like 5-10-5 is often recommended. If your roses are not blooming well, a higher Phosphorus ratio can help. If the foliage looks weak, a higher Nitrogen ratio might be needed.
Type of FertilizerFertilizers come in various forms such as granular, liquid, and slow-release. Granular fertilizers are easy to apply and provide a steady release of nutrients. Liquid fertilizers are quickly absorbed and are great for a quick nutrient boost. Slow-release fertilizers provide nutrients over an extended period, reducing the need for frequent applications. Choose granular or slow-release for consistent feeding, and liquid for immediate results or to address specific deficiencies.
Organic vs. SyntheticOrganic fertilizers are made from natural materials like compost, manure, and bone meal, and they improve soil health over time. Synthetic fertilizers are chemically formulated and provide immediate nutrients. Organic options are better for long-term soil health and sustainability, while synthetic fertilizers offer quick results. If you prefer a natural approach and are patient with slower results, go for organic. If you need rapid improvement in plant health, synthetic might be the way to go.
MicronutrientsIn addition to the primary nutrients (N-P-K), roses also need micronutrients like iron, magnesium, and calcium for optimal growth. These micronutrients help with various plant functions, including chlorophyll production and enzyme activation. Check if the fertilizer includes these essential micronutrients. If your soil is deficient in any of these, a fertilizer with added micronutrients can help address specific deficiencies.
Application FrequencyDifferent fertilizers have different application frequencies. Some need to be applied every few weeks, while others can last for several months. It's important to follow the recommended application schedule to avoid over-fertilizing, which can harm your roses. Choose a fertilizer that fits your gardening routine. If you prefer less frequent maintenance, a slow-release fertilizer might be ideal. For more hands-on care, a liquid or granular fertilizer with a more frequent application schedule can be suitable.

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