Some grape varieties do really well indoors, especially dessert grapes.
Celery
Grow celery from a leftover bottom. You’ll need to replant this in soil.
Bok Choy
You grow this one the same way you grow celery!
Scallions
These grow from their own roots! Make sure you water every day and they should grow within a week.
Lemon Grass
Using old lemongrass roots, you can grow some in about three weeks.
Basil
You can grow basil from basil cuttings.
Eggplant
Eggplants do well growing in containers, they need adequate lighting and enough space for their roots to grow.
Cayenne Peppers
Peppers grow indoors similarly to eggplants. In addition, they need to be in a warm enough temperature to really thrive.
Garlic Sprouts
Sprouts can grow from a garlic clove.
Romaine Lettuce
Keep the bottom head of an old lettuce to grow a new one! Put it in soil so the leaves grow twice the size.
Ginger Roots
This one takes more time than others but is really simple and low-key. Ginger roots grow from their old roots.
Onions
Put your old onion root into a pot of soil and watch a new onion grow.
Pineapple
You can regrow a pineapple from it’s crown!
Tomatoes
You can use either containers or deep pots for these.
Carrots
Carrots are one of the easiest to grow.