Look for ways to extend your crop. Lettuce and green onions.

Two simple ways to make your vertical garden more productive. No need to harvest the entire plant...try giving your lettuce a haircut, it will grow back within 2-3 weeks! When you harvest green onions replant one of them for a new bunch in 3 weeks!
You can continue to do things like this until the plants start to slow down.
I've been doing this with my onions for well over a year now.

One quick example: It takes about 50-60 days for lettuce to mature fully from seed. If you harvest like I did in this video you can enjoy another harvest in about 20 days! One simple way to double your production and save even more money.

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