Find the cost per viable plant from a seed packet.
Only the germination-adjusted seeds are worth counting, so the cost per plant divides the packet price by the viable seed count. Comparing this per-plant cost to transplants reveals when starting from seed is worth it and when it is not.
Seed Packet Cost
Cost per plant = packet price ÷ (seeds x germination)
Cost per plant = packet price ÷ (seeds x germination) Only the germination-adjusted seeds are worth counting, so the cost per plant divides the packet price by the viable seed count.
Comparing this per-plant cost to transplants reveals when starting from seed is worth it and when it is not.
This calculator takes 4 inputs: Packet price, Seeds per packet, Germination rate, Plants planned. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.