Blueberry Nutrition Facts and California Harvest Guide

A bowl of fresh blueberries next to a potted blueberry bush and gardening trowel on a kitchen counter

The word blueberry covers both nutrition and production, from the calories in a serving to the scale of California’s 2025 harvest. Understanding these details helps shoppers and home growers make informed choices about this popular fruit.1

Blueberry Nutrition Facts Table

Serving Size Calories Fat (g) Carbohydrate (g) Dietary Fiber (g) Total Sugars (g)
1/2 cup (74g) 42 0 11 2 7

Both the USDA and FDA list a 1/2 cup (74g) serving of raw blueberries as containing about 42 calories, 0g fat, 11g carbohydrate, 2g dietary fiber, and 7g total sugars.1,3

California Blueberry Harvest

California is a leading blueberry producer. In 2025, the state harvested 81.47 million pounds of blueberries.2 This large-scale harvest supports both commercial supply and home gardening efforts.

  • Spring: Plant blueberry bushes in well-drained, acidic soil.
  • Late Spring to Early Summer: Harvest begins in southern regions and progresses north.
  • Summer: Peak harvest period for most California growers.
  • Late Summer: Harvest tapers off as temperatures rise.

USDA Blueberry Standards

The USDA sets quality standards for blueberries, including requirements for size, color, and absence of defects. These standards help ensure that both commercial and home-grown blueberries meet expectations for appearance and edibility.4

Checklist for Home Growers

  • Choose varieties suited to your local climate.
  • Test soil pH and amend to 4.5–5.5 if needed.
  • Plant in full sun with good drainage.
  • Water consistently, especially during fruit set.
  • Harvest berries when fully blue and firm.

Blueberry Nutrition and Harvest at

Aspect Details
2025 California Harvest 81.47 million pounds
Standard Serving 1/2 cup (74g)
Calories per Serving 42
USDA Standards Quality, size, color, defect-free
  1. U.S. Department of Agriculture (USDA), “Blueberries – SNAP-Ed Connection,” source.
  2. California Department of Food and Agriculture (CDFA), “California Celebrates National Blueberry Day with a Sweet 2025 Harvest,” source.
  3. U.S. Food and Drug Administration (FDA), “Nutrition Information for Raw Fruits, Vegetables, and Fish,” source.
  4. U.S. Department of Agriculture (USDA), “Blueberries Grade and Standards,” source.

Frequently Asked Questions

How many calories are in a half cup of blueberries?

A 1/2 cup (74g) serving of raw blueberries contains about 42 calories, according to the USDA and FDA.

How many blueberries did California harvest in 2025?

California harvested 81.47 million pounds of blueberries in 2025.

What are the USDA standards for blueberries?

USDA standards for blueberries include requirements for size, color, and absence of defects.

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