Gardening Methods

Where can I get tall standing plants and flowers for cheap for a makeshift garden??

I need to create a “garden” scene in an office but do not want to overspend on supplies. Where can I get cheap or even free tall, big leaf plants and flowers for this?
I need to create a “garden” scene in an office with flowers and potted tall plants but do not want to overspend on supplies. Where can I get cheap or even free tall, big leaf plants and flowers for this?

Sunflowers are huge and easy to grow from seeds.

How to Plant a Vegetable Garden : Ideas for Designing Your Vegetable Garden