Greenway Biotech Organic Rose & Flower Fertilizer 4-7-5
Best organic fertilizer for gardeners seeking vibrant, long-lasting floral blooms.
This premium, slow-release organic fertilizer is specifically formulated to promote vibrant blooms, deep colors, and robust health in roses and flowering plants. Featuring a 4-7-5 NPK ratio with dominant phosphorus, it encourages bud formation and flower size while preventing excessive leafy growth. The blend incorporates organic meals like Fish Bone Meal and Feather Meal, which feed beneficial soil biology over 4-6 weeks. It also includes Azomite volcanic ash, supplying over 70 trace minerals to enhance fragrance and disease resistance. This CDFA Registered formula is ideal for roses, perennials, annuals, and fruiting vegetables.
$14.99
Owner Satisfaction
4.7
/ 5
Category Rank
50
/ 4425
#50 in Fertilizers
Price vs Category Average
-76%
Below average
Who it's for
- Eco-conscious growers prioritizing long-term soil health and sustainability
- Gardeners seeking vibrant, prolific blooms for their rose bushes
- Beginner gardeners worried about accidentally burning delicate plant roots
Who should skip it
- Budget-focused shoppers looking for the most cost-effective feeding solution
- Impatient gardeners needing immediate visual results for their plants
- Homeowners sensitive to strong, earthy scents in their garden
Performance breakdown
Bloom Stimulation
High phosphorus ratio drives exceptional bud formation and larger flower heads.
Soil Health Impact
Organic meals actively cultivate beneficial microbes and earthworm populations over time.
Trace Mineral Density
Azomite inclusion provides a comprehensive spectrum of minerals for plant vitality.
Application Safety
Slow-release formula eliminates the risk of root burn for delicate transplants.
Fragrance Enhancement
Mineral-rich composition supports the metabolic processes that intensify natural floral scents.
pH Optimization
Naturally acidic profile maintains the ideal environment for healthy rose development.
Features
- High phosphorus content (7%) specifically targets bud formation and flower size.
- Feeds soil biology, supporting earthworms and beneficial microbes for long-term soil health.
- Gentle, slow-release nutrition prevents root burn or shock to transplants.
- Enriched with Azomite volcanic ash for over 70 trace minerals that boost color and fragrance.
- High calcium content helps prevent blossom end rot in flowering vegetables like tomatoes.
- Naturally creates mild soil acidity to maintain the optimal pH range for roses.
- Backed by a 90-Day Money-Back Guarantee.
What customers say
Gardeners are genuinely impressed by the quality and visible effectiveness of this organic rose and flower food. The most consistent feedback highlights dramatic improvements in plant health, leading to more abundant and vibrant blooms quickly. Users appreciate the simple, granular format, confirming the product is easy to apply and integrate into regular care routines. This fertilizer is seen as a reliable, high performance solution that delivers tangible results, justifying its value for dedicated flower enthusiasts.
Know before you buy
The higher phosphorus content (7%) is specifically designed to prioritize bud development and flower size over excessive foliage growth. This ensures your plants direct their energy toward producing vibrant, long-lasting blooms.
No, the slow-release organic formula is designed to be gentle on roots. It provides a steady stream of nutrients over 4 to 6 weeks, which eliminates the risk of fertilizer shock or root burn common with synthetic options.
While formulated for roses and flowers, it is excellent for fruiting vegetables like tomatoes. The high calcium content helps prevent blossom end rot, and the trace minerals from Azomite support overall plant health.
Azomite is a volcanic ash that provides over 70 essential trace minerals. These minerals act as a supplement for your soil, helping to enhance the natural fragrance of your flowers and increasing the plant's overall resistance to disease.
Yes, this formula naturally creates a mild soil acidity. This is particularly beneficial for roses, which thrive in slightly acidic soil conditions to better absorb nutrients.
Unlike synthetic fertilizers that only feed the plant, this organic blend feeds the soil biology. By supporting beneficial microbes and earthworms, it improves soil structure and nutrient availability over time.
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$15