Professional slow release fertilizer for flowering Bonsai. Bloom Boost!

  • $19.99


The Bonsai Supply Slow Release Bonsai Fertilizer. Bloom Boost!

This bloom boost fertilizer will give your tree the essential nutrients in order for it to produce flowers!

6-8-10 is a high quality Bonsai fertilizer that delivers the perfect amount of much needed nutrients to your Bonsai for vibrant and healthy flowers and fruits.

What is NPK?

Nitrogen (N) – Nitrogen is responsible for leave, branch and trunk growth. 

Phosphorus (P) – Phosphorus is responsible for root, flower and fruit growth.

Potassium (K) – Potassium is a nutrient that helps the overall functions and health of the plant.


Easy Seal Container.

Our containers are designed for easy use, open and close and storage.  2.4 Lbs Jars

How to apply?

Measure your Bonsai pot in length and use 1 teaspoon for every 4 inches of bonsai pot in length. An 8" Bonsai pot would receive 2 teaspoons. Scatter the fertilizer evenly on top of the soil surface and water immediately. Apply once a month from April - October.

How often to apply?

At The Bonsai Supply, we use this fertilizer every month from April until about October for all types of flowering and fruiting Bonsais. 


Do NOT Use On Newly Re-Potted Trees. Wait 1 Month.
  • 100% MONEY BACK GUARANTEE - If you are not 100% happy with this product, we will refund you in full.