Dr. Earth Bulb Food
Best organic fertilizer for gardeners growing vibrant bulbs and tubers.
This organic blend is the gold standard for anyone serious about perennial color. By prioritizing high phosphorus and calcium, it trades quick-fix synthetic growth for the deep, structural health your bulbs need to return with vigor year after year.
$19.99
at
Chalet (online retailer)
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
Recommended Crops
All bulbs, tubers and rhizomes
Target Plant Type
Flowers, Houseplants
Know before you buy
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Ask Metto anything about the Dr. Earth Bulb Food before you decide.