10 bestNatural Fertilizersof December 2025
112M consumers helped this year.
1
Harris Diatomaceous Earth Food Grade, 2lb w/Free Powder Duster
HARRIS
10.0
2
MARPHYL Organic Liquid Fertilizer – Indoor & Outdoor House Plant Fertilizer - All-Purpose Nutrient-Rich Plant Food - Soil Enhancer for Garden, Flowers, Vegetables, Succulents, Bamboo, Hydroponics
MARPHYL
10.0
3
Miracle-Gro Indoor Plant Food - 236ml
Miracle-Gro
9.8
4
Slow Release Granular Lawn Fertilizer - Advanced nutrients, Turf & Lawn Fertilizer, 25-5-10 65% (20kg Bag)
Eco Solutions
9.6
5
Wood Ash, Natural Fertilizer & Compost Booster (Wood Ash)
Generic
9.3
OtherUp to 10% off
SEAFARM Organic Liquid Fertilizer with All Natural Kelp Seaweed, Nutrients for Better Growth of Indoor & Outdoor Plants (1L)
Houseplant Fertilizer & Indoor Plant Food | Self-Dissolving Tablets | Make Feeding Your Plants a Breeze | Instant Plant Food (4 Tablets)
Espoma Co. Organic Bio-Tone Starter Plus All Natural Plant Food-4 Lb Bag BTS4
Organic Sea-K for Plants Seaweed and Kelp Fertilizer Supplement Concentrated Extract Powder Nutrient
6
GAIA GREEN All Purpose ORGANIC FERTILIZER 4-4-4 10kg
Gaia Green
9.0
7
HydraGreens Indoor Plant Food & Vegetable Garden Liquid Fertilizer - NPK 3-1-2 Enriched with Sea Kelp to Stimulate Root & Plant Growth - All Purpose Plant Fertilizer use in Soil & Hydroponics - 16 oz
Cybele Labs
8.7
8
Gaia Green Organic 4-4-4 All Purpose Fertilizer 2kg
Gaia Green
8.4
9
Espoma Organic Plant-Tone 5-3-3 Natural & Organic All Purpose Plant Food; 4 lb. Bag; The Original Organic Fertilizer for All Flowers, Vegetables, Trees, and Shrubs. - Pack of 2
Espoma
8.1
7% off
10
Bonide 925 Bontone Rooting Powder, 1.25-Ounce
Bonide
7.8
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