Soil pH for Vegetables

The target soil pH for vegetables typically falls between 5.5 and 7.5, although there are a few exceptions. Your goal should be to keep your garden's pH within 0.5 of your veggies' desired range.

Ideal Soil pH for Vegetables

Vegetable Garden Soil pH Range
Artichokes
6.5 to 7.5
Asparagus
6.0 to 6.5
Beans, Bush
6.0 to 7.5
Beans, Green
6.0 to 7.5
Beans, Lima
6.5 to 7.5
Beans, Pole
6.0 to 6.8
Bean Sprouts n/a (not grown in soil)
Beets
6.0 to 7.5
Broccoli
6.0 to 7.5
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Brussels Sprouts
6.0 to 6.8
Butternut Squash
5.5 to 7.5
Cabbage
6.0 to 7.5
Carrots
5.5 to 7.0
Cauliflower
6.5 to 7.0
Celery
5.9 to 6.9
Corn
5.5 to 7.0
Cucumbers 5.5 to 7.5
Eggplant
5.5 to 7.0
Garlic
5.5 to 7.5
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Horseradish
5.5 to 6.8
Lettuce
6.0 to 7.0
Okra
6.0 to 8.0
Onions
6.0 to 7.0
Peanuts
5.5 to 7.0
Peas
6.0 to 7.5
Peppers, Bell 5.5 to 7.0
Peppers, Hot
5.5 to 7.0
Potatoes
4.5 to 6.0
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Pumpkins
5.5 to 7.0
Pumpkins, Giant
5.5 to 7.5
Radishes
6.0 to 7.0
Rhubarb
5.5 to 6.8
Shallots
6.0 to 7.0
Soybeans
6.0 to 6.8
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Spinach
6.0 to 7.0
Squash, Summer
6.0 to 7.5
Squash, Winter
5.5 to 7.5
Strawberry Plants
5 to 7, but optimum is 6.0 to 6.8
Sweet Corn
5.5 to 7.0
Sweet Potatoes 5.6 to 6.5
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Swiss Chard
6.0 to 7.5
Tomato Plants
5.5 to 7.5
Watermelon 5.5 to 7.0
Zucchini
6.0 to 7.5
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