Alliums are not only delicious on their own ... Indeed, they're sometimes called "storage onions" for that very reason. Put them in a dry cupboard, pantry, or garage with decent airflow.
Allium seeds should be stored in an area that is 41 degrees Fahrenheit. Storing your seeds in a cool area ensures that the temperature keeps the seed viable and intact. Keep your seeds dry and out ...
Some alliums have rhizomes (underground stems) instead of bulbs; these look more like spring onions than dry bulbs on arrival. Plant these in autumn just below the soil surface and 10cm apart. Alliums ...