What will grow?

This morning, the Reception discovered some small green seedlings growing in shallow mud underneath the trees. 
They were curious about what type of plant they might grow into!
They decided to help the seedlings to grow and thought about what they might need. They collected some plant pots, compost and a watering can. 
Next, they carefully picked up the seedlings and planted them in the pots. We needed to give them water and plenty of sunlight. 
What do you think our seedlings will become?

What will these grow into?