Plant Lists

Best Vegetables for Containers

Container vegetable gardening is often oversold as a close equivalent to ground gardening. The honest version: most vegetables produce significantly less in containers than in the ground, and some -- corn, melons, full-size sweet potatoes -- are not practical in containers at all. The vegetables.

Tomatoes, herbs, and leafy greens growing in container pots on a patio
Photo: Unsplash on Unsplash

Container vegetable gardening is often oversold as a close equivalent to ground gardening. The honest version: most vegetables produce significantly less in containers than in the ground, and some — corn, melons, full-size sweet potatoes — are not practical in containers at all. The vegetables that succeed in containers are those with compact root systems, short growing seasons, or genuinely productive compact cultivars.

Container gardening still has real advantages: mobility (move plants to follow sun or escape frost), ability to garden on patios, decks, and balconies, and precise control of soil quality. Understanding which crops make those advantages worthwhile is the goal of this guide.

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Minimum Container Sizes

Per Penn State Extension:

CropMinimum container volume
Lettuce, herbs, radishes1–2 gallons
Peppers, eggplant5 gallons
Tomatoes (compact)5 gallons
Tomatoes (indeterminate)15+ gallons
Cucumbers5 gallons (bush type)
Squash (compact types)10+ gallons
Beans5 gallons per plant
Carrots (short types)12-inch depth minimum

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