Quick Question about Seeds

Quick Question about Seeds

How long do seeds last in those packets you can buy in many stores? I've heard a year and I've heard multiple years. Which is true? What about seeds you pick straight from the plant?
My room

My room

How quickly things turn!

How quickly things turn!

Aloe questions

Aloe questions

Let’s all eat our lawns!

Let’s all eat our lawns!

Wrinkly leaves

Wrinkly leaves

More roses making an appearance and my first lilies of the year

More roses making an appearance and my first lilies of the year