Utilizing limited patio areas, vegetables are now being grown in upright vertical containers. Here are a few:
The vegetable tree is made of wire filled with planting mix, along an eight foot-high board with tomatoes at the bottom, cucumbers above, then radishes and carrots. Vegetable pot trees are baskets supported on a 5 x 7 foot post that has been anchored with bags of sand. There are also many types of roll-around bookcase vegetable planters being used. (See Chapter 10 for details.]
Reference: Gardening Shortcuts (Ortho Books,
Chevron Chemical Co., San Francisco, CA).
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