People often wonder how long does it take to grow your own produce. Well that depends on what you're trying to grow. There are some items that take longer - like potatoes and onions. They will be ready closer to the end of summer. And then there are "quickies" - things that grow like weeds and ready for picking in no time. Remember when I spilled lettuce seeds?
And this is how it is today - ready to pick fully grown romaine lettuce. And daily picking for me for our dinner salad. Oddly enough these are doing far better than the ones I planted in a row. Maybe next time I should do the same :o)
Radishes are even faster! You can go from seeding to harvesting within 4 weeks if you start early in spring. But don't bother planting seeds in summer because radishes don't like heat. Instead of developing nice radish-root they'll just go into bloom and you won't have any harvest.