White Flower Farm
Grow Fertilizer
Best versatile plant food for indoor and outdoor gardening enthusiasts.
Our Grow Fertilizer from White Flower Farm is an exclusive, highly concentrated, water-soluble formula featuring a balanced 18-18-18 NPK ratio, complete with essential micronutrients for comprehensive plant health. This powerful blend is designed to encourage robust root systems, enhance disease resistance, and boost flowering and fruiting across your garden. It is highly recommended for use on roses, perennials, annuals, shrubs, and container plants outdoors, as well as for houseplants indoors. The product includes a measuring scoop for simple and accurate application.
$15.00
Owner Satisfaction
4.6
/ 5
Category Rank
1927
/ 4347
#1927 in Fertilizers
Price vs Category Average
-76%
Below average
NPK Ratio
181818
/ --
Who it's for
- Beginners needing expert guidance and reliable brand quality
- Gardeners seeking rapid foliage and stem development
- Plant owners prioritizing high-purity, consistent nutrient delivery
Who should skip it
- Gardeners focused on maximizing flower or fruit production
- Budget-conscious shoppers preferring economical, general-purpose options
- Consumers requiring immediate, local retail availability
Performance breakdown
Nutrient Balance
The 18-18-18 ratio provides a reliable foundation for diverse garden needs.
Application Ease
Included measuring scoop removes guesswork from mixing your plant feed.
Solubility Speed
Water-soluble powder dissolves quickly for immediate nutrient uptake by roots.
Versatility
Seamlessly transitions from indoor houseplants to demanding outdoor perennial beds.
Concentration Efficiency
Highly concentrated formula ensures a single pound lasts through many feedings.
Micronutrient Profile
Essential additives support long-term plant health beyond basic macronutrient needs.
Key Specs
NPK Ratio
18-18-18
Package Weight
1 lb
Form
Water soluble powder
Package Type
Bag
Model Number/SKU
S51011
Nitrogen Percent
18
Phosphorus Percent
18
Potassium Percent
18
Features
- Balanced 18-18-18 formula with micronutrients
- Promotes root systems, flowering, and fruiting
- Highly concentrated and water soluble
- Increases plant resistance to disease
- Suitable for indoor and outdoor use
- Includes a measuring scoop for easy use
What customers say
Customers overwhelmingly praise this fertilizer for its superior efficacy, noting rapid improvements in foliage density, deeper green color, and significantly increased blooms. Reviewers confirm it successfully revitalizes struggling plants where other products failed. The formulation is considered potent and well balanced, aligning with the brand's quality reputation. Users also appreciate the easy application and good solubility. The primary tension point is the high cost. While most dedicated gardeners accept the premium price due to the undeniable results, the expense slightly tempers the overall value perception, especially for those with large gardens. Despite the cost, its top tier performance ensures repeat purchases from serious gardeners prioritizing efficacy.
Know before you buy
This ratio indicates that the fertilizer contains an equal balance of 18% nitrogen, 18% phosphorus, and 18% potassium. This balanced formula provides a comprehensive nutrient profile that supports overall plant health, from root development to vibrant flowering and fruiting.
Yes, this formula is versatile enough for both environments. It works effectively on container plants and houseplants, as well as outdoor perennials, annuals, shrubs, and roses.
This is a water-soluble powder, so you will need to dissolve the recommended amount in water before applying it to your plants. A measuring scoop is included in the package to help you achieve the correct concentration for your specific needs.
Yes, in addition to the balanced NPK ratio, this formula is enriched with essential micronutrients. These trace elements are vital for comprehensive plant health and help improve your plants' natural resistance to disease.
It supports both. The balanced nutrient profile is specifically designed to encourage robust root systems while simultaneously boosting the production of flowers and fruit.
Still have a question?
Ask Hayley anything about this product before you decide.
Ready to buy?
$15