Description
All Purpose Bonsai Fertilizer 18-4-10 – Slow Release Formula for Strong Growth
Give your bonsai the consistent nutrition it needs to thrive — without complicated feeding schedules.
The Bonsai Supply Slow Release Bonsai Fertilizer (18-4-10) is a high-quality, all-purpose formula designed to deliver the perfect balance of nutrients for fast, healthy, strong growth. Whether you’re caring for indoor bonsai or outdoor trees, this blend supports better vigor, greener foliage, and improved overall health.
It’s incredibly easy to use: apply just once per month and let the slow-release formula do the work.
Why You’ll Love It
- 18-4-10 formula for balanced growth and long-term plant health
- Special blend supports root growth and overall root-zone strength
- Loaded with micronutrients to keep your tree thriving
- Slow release = once-a-month feeding (simple and consistent)
- Won’t burn roots when used as directed
- Fast results with improved vigor and healthier growth
As Seen on YouTube
Featured on the YouTube channel: We Are The Bonsai Supply.
Available Sizes
- 5 oz bag
- 1.8 lb jar
Our containers are made for easy use and storage — simple to open, close, and keep fresh between applications.
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