The fertilizer packs are sold in quantities of 25.
Example:
Quantity 1 = 25 fertilizer packs. Quantity 4 = 100 fertilizer packs.
Quantity 20 = 500 fertilizer packs.
A slow release fertilizer pack (16/8/8) placed in the ground at the time of seedling planting. Will last for 2 years. Use one to two packs per new seedling. Shipping included.