GreenFuse BLOOM Stimulator Overview GreenFuse Bloom is based on natural plant extracts that will maximise the potential of the plant to produce large, colourful flowers. It can be used throughout the flowering cycle. GreenFuse Stimulators are manufactured in a laboratory in Holland, and are carefully blended from highly concentrated natural plant extracts. GreenFise BLOOM Stimulators have been subject to intensive testing with commercial crops and have proved to have extra-ordinary effects on plant growth. GreenFuse Stimulators are 100% organic and have no negative residual effect on plants, people or the environment, and can be used safely and with confidence in the garden, the greenhouse or the indoor grow room. GreenFuse Bloom is highly concentrated and helps to deliver stunning flowering performance to plants.