Kale recalls and leafy greens safety: what you need to know

In July 2025, a single recall event covered 30 different produce items across four states and Washington, D.C. The list included kale, bok choy, collard greens, cilantro, dill, lettuce, parsley, spinach, and more. It was a vivid demonstration that leafy green contamination is not limited to one crop. It is a category-wide vulnerability driven by how these crops are grown, processed, and distributed.

Leafy greens as a group are the most frequently recalled produce category in the United States. The BRCGS 2025 recall review found that fruits and vegetables accounted for nearly 40% of all microbiological recalls, with leafy greens being the biggest driver in the U.S. For households that eat salads, stir-fries, or smoothies with greens, understanding this pattern and knowing the alternatives matters.

This article covers the 2025 multi-produce recall, why leafy greens face systemic risk, which specific greens are most affected, and how growing 20+ leafy green varieties at home in an indoor hydroponic system eliminates the contamination pathways entirely.

Key takeaways

• The July 2025 UNFI/General Produce recall covered 30 produce items in a single event, including kale, bok choy, collard greens, cilantro, dill, lettuce, parsley, spinach, cabbage, and Swiss chard.
• Leafy greens are the most frequently recalled produce category in the U.S., driven by ground-level growth, heavy irrigation, large surface area, and shared processing facilities.
• Curly mustard greens were recalled separately in 2024 after testing positive for Listeria monocytogenes.
• Gardyn grows 20+ leafy green and Asian green yCube varieties including kale, bok choy, collards, Swiss chard, tatsoi, mustard greens, watercress, arugula, and Tokyo bekana.
• Every contamination pathway responsible for leafy green recalls (field irrigation, soil contact, processing facility, supply chain) is absent from indoor Hybriponic growing.

The 2025 multi-produce recall: 30 items in one event

The UNFI/General Produce recall in July 2025 was classified as a Class II event (potential for temporary or reversible adverse health effects) and affected products distributed to Maryland, New Jersey, New York, Pennsylvania, and Washington, D.C.

The breadth of this single recall illustrates a critical point: when contamination occurs at the distribution level, it affects everything that passed through the same facility. The source was not a single crop but a shared handling environment.

Why leafy greens are disproportionately affected

Ground-level growth

Most leafy greens grow at or near soil level, putting the edible leaves in direct contact with soil, irrigation water runoff, and any pathogens in the field environment. This contrasts with tree fruits or trellised crops that have distance from potential soil-borne contamination.

Large, absorbent leaf surfaces

Leafy greens have large surface-area-to-mass ratios with textures (crinkles, veins, trichomes) that trap bacteria and resist removal by washing. Research shows that E. coli and Listeria can become internalized in leaf tissue through stomata, making surface washing ineffective.

Heavy irrigation in arid regions

The Salinas Valley in California and the Yuma region in Arizona produce the majority of U.S. leafy greens. Both are arid regions dependent on irrigation systems that have been repeatedly linked to contamination events, particularly from wildlife and adjacent livestock operations.

Shared processing and bagging facilities

Multiple brands of leafy greens are often processed in the same facilities. A contamination event affecting one product line can spread to others through shared washing water, conveyor systems, and packaging equipment. This is why a single incident can trigger recalls across brands that appear unrelated to consumers.

Minimal cooking

Unlike root vegetables or grains, leafy greens are predominantly consumed raw. There is no universal cooking step that would serve as a kill step for pathogens.

Beyond kale: bok choy, collards, and Asian greens at risk

The 2025 recall specifically included bok choy, collard greens, and green chard alongside kale and lettuce. Separately, Baker Farms recalled curly mustard greens in 2024 after Listeria testing. These are not isolated incidents. The same structural vulnerabilities that affect lettuce and spinach apply to every leafy green grown in commercial field conditions.

Asian greens (bok choy, tatsoi, mizuna, Tokyo bekana) face an additional complication: they are less commonly grown domestically than lettuce or spinach, meaning a higher proportion is imported, adding supply chain complexity and traceability challenges.

Growing leafy greens indoors year-round

Gardyn grows 20+ leafy green and Asian green varieties in the Hybriponic™ system. Every contamination pathway identified above is structurally absent.

All of these grow in a Gardyn Home (30 plants) or Gardyn Studio (16 plants) with continuous cut-and-come-again harvesting. The Gardyn Home produces 8 to 10 pounds of produce per month, which is enough to replace most or all leafy green grocery purchases for a household.

Further reading

FDA Recalls, Market Withdrawals & Safety Alerts

BRCGS: Recalls, A Review of 2025

U.S. PIRG: Food for Thought 2025

Frequently asked questions

Is kale safe to eat right now?

Check the FDA recall database for active recalls. Outside of active recall events, commercially sold kale is considered safe. Growing kale indoors eliminates the recall question entirely.

Why are so many different greens recalled at once?

Multiple leafy greens are often processed in the same facilities and distributed through the same networks. When contamination occurs at the distribution or processing level rather than the field level, it affects everything that passed through that shared environment, which is why a single recall can cover 30+ produce items.

Are Asian greens like bok choy safer than lettuce?

No. Asian greens share the same structural vulnerabilities as lettuce and spinach: ground-level growth, large leaf surfaces, heavy irrigation requirements, and shared processing facilities. They may face additional risk from higher import rates, which add supply chain length and complexity.

Can I grow bok choy and tatsoi indoors?

Yes. Gardyn offers bok choy, red tatsoi, green tatsoi, and many other Asian greens as yCubes. They grow quickly in the Hybriponic™ system and are ready to harvest in weeks.

How many different greens can I grow at one time?

A Gardyn Home holds 30 plants simultaneously, and a Gardyn Studio holds 16. You can mix leafy greens, herbs, and fruiting plants in the same system.

Lindsay Springer, Ph.D.

Director of Plants, Nutrition & Digital Agriculture at Gardyn

Lindsay leads Gardyn's Plant Health and Nutrition Team, driving plant-based product development, technological advancements, and nutrition initiatives. She holds a Ph.D. in Food Science from Cornell University, has published peer-reviewed research, and brings over a decade of growing expertise to every article.

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