Dr. Earth Spectacular Bulb Food 4 lb
Best organic fertilizer for gardeners growing vibrant bulbs and tubers.
Nourish your bulbs with Dr. Earth Spectacular Bulb Food, an organic granular fertilizer designed to revitalize your flowering plants. This formula boasts the highest phosphorus content to effectively recharge bulbs, tubers, and rhizomes. Derived from fish bone meal, it naturally provides essential calcium for robust growth. Ideal for all bulb varieties, this fertilizer is recommended for application in late spring and again in the fall, ensuring your plants receive optimal nutrition throughout their growth cycles. Trust this organic solution for vibrant blooms.
$19.99
Owner Satisfaction
4.7
/ 5
Category Rank
50
/ 4425
#50 in Fertilizers
Price vs Category Average
-68%
Below average
Weight
4
/ lb
Who it's for
- Serious growers focused on long-term soil health and vitality
- Eco-conscious gardeners prioritizing pet and child safety
- Flower enthusiasts seeking larger, more vibrant seasonal blooms
Who should skip it
- Budget-focused gardeners preferring lower-cost synthetic alternatives
- Gardeners needing an immediate nutrient boost for struggling plants
- Indoor gardeners or those sensitive to strong earthy smells
Performance breakdown
Bloom Stimulation
High phosphorus content drives exceptional flower production in bulb varieties.
Nutrient Density
Fish bone meal base provides a potent, natural calcium boost.
Application Convenience
Simple twice-yearly schedule makes seasonal garden maintenance effortless.
Organic Integrity
Certified organic formula ensures safe, chemical-free nourishment for your soil.
Versatility
Effective across a wide range of bulbs, tubers, and rhizomes.
Soil Integration
Granular form requires manual incorporation for optimal nutrient uptake.
Key Specs
Weight
4 lb
Type
Organic fertilizer
Form
Granular
Primary Nutrient Focus
Phosphorus
Base Material
Fish bone meal
Secondary Nutrients
Naturally high in calcium
Organic Certified
Yes
Season of Application
Spring, Fall
Features
- Organic formulation for natural gardening.
- Highest phosphorus for bulb recharging.
- Calcium-rich from fish bone meal.
- Ideal for all bulbs, tubers, rhizomes.
- Twice-yearly application for continuous care.
- Supports vibrant flower growth.
What customers say
Customers consistently praise Dr. Earth Spectacular Bulb Food for its exceptional quality, specifically highlighting the organic and natural ingredients. Reviewers frequently note the impressive effectiveness, reporting significantly healthier foliage and more vibrant, robust blooms compared to previous fertilizers. The product delivers noticeable results quickly, making it a trusted choice for serious gardeners seeking premium, chemical free nourishment for their bulbs. This high performance justifies the price point, establishing strong consumer loyalty.
Know before you buy
While specifically formulated for bulbs, tubers, and rhizomes, this product is safe for general flowering plants and houseplants. Its high phosphorus content is particularly beneficial for any plant where you want to encourage stronger root development and more vibrant blooms.
For the best results, apply the granular fertilizer twice a year: once in the late spring and again in the fall. This schedule ensures your bulbs receive the necessary nutrients during their active growth and dormant recharging phases.
No, this is a granular, non-water-soluble formula. It is designed to be worked into the soil, where it will break down gradually to provide a steady release of nutrients to the root zone.
The fish bone meal serves as a natural, organic source of phosphorus and calcium. Phosphorus is essential for bulb recharging and flower production, while the calcium supports overall plant structure and healthy root growth.
Yes, Dr. Earth Spectacular Bulb Food is an organic-certified fertilizer. It contains no synthetic chemicals, making it a suitable choice for gardeners who prioritize natural inputs in their soil.
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$20