Green king seaweed fertilizer, been fermented, cheated and compounded by high and new technology and craft, is a alga fertilizer which takes marine organisms as the raw materials with selected special microbial strain. It contains various rich nutritious compositions required by the growth of flowers, lawn plants and grasses. Promoting growth of lawn grass, development of root system, and turning green earlier. Making grass leaf dark green and reducing infestation of diseases. Making lawn grass more resistant to foot stepping. Promoting development of root system, obtaining stronger plants, earlier formation of flowers, bigger flower heads, extension of flower life, more fragrant flowers. Enhancing plant resistance to stresses.