Indoor strawberry grower Oishii has more than doubled its U.S. retail footprint in 2026, reaching 500-plus locations across 25 states by year-end — adding Walmart, The Fresh Market, and Giant Food as first-time retail partners while expanding its Sprouts Farmers Market presence from 20 to 65 stores, a 225% increase.
The expansion is operationally significant for buyers and category managers watching premium produce compete for shelf space against conventional berry suppliers. Oishii's rollout is not a test-and-learn pilot: it covers 78 Walmart stores across New Jersey and Pennsylvania, 84 Fresh Market locations spanning five new Southern states, and 30 Giant Food doors across Maryland and Virginia.
The Production Engine
The distribution push is backed by hard supply-chain numbers. Since January 2026, Oishii increased Nikko Berry production by 282%, improved sellable yield per plant by 100%, and grew total robotic-harvested berry volume by 50%. Without those farm-level gains, adding Walmart — a retailer that demands consistent volume at scale — would not have been viable. Upgrades to Smart Farm conveyance systems and expanded R&D operations in both the U.S. and Japan are credited with enabling the throughput jump.
For produce buyers evaluating vertical farming suppliers, this is the operational proof point the category has needed. Scaling indoor ag from specialty boutique to mass retail requires yield reliability and logistics infrastructure that few vertical farms have demonstrated publicly.
Packaging as a Distribution Strategy
The vehicle for mass-market entry is the Premium Grade Nikko Berry, priced at a $7.99 MSRP for a 7.5-ounce package — a deliberately accessible tier relative to Oishii's Reserve and Connoisseur Grade offerings. The Nikko Berry ships in new Stay-Fresh top-seal packaging that uses 80% less plastic than traditional clamshell formats and extends shelf life by 33%. That shelf-life gain is not incidental: it directly expands Oishii's viable shipping radius and makes Southeast and Mid-Atlantic distribution economically feasible.
For procurement teams and packaging vendors, the move signals that sustainability-aligned packaging is increasingly a retail-readiness requirement rather than a brand differentiator. Retailers adding premium produce SKUs are evaluating waste credentials alongside turns and margin contribution.
What Operators and Buyers Should Watch
Oishii's trajectory is a useful benchmark for any branded produce or specialty ingredient supplier building toward mass retail. The company's tiered SKU architecture — three berry varieties organized across three grade levels — gives retail partners flexibility to position the product across different departments and price bands without cannibalizing the premium halo. Rita Hudetz, Oishii's Chief Commercial Officer, framed the Nikko Berry as a tool for turning occasional Oishii purchasers into habitual grocery shoppers, which is the language of a brand thinking about basket behavior, not just trial.
For foodservice distributors and specialty grocery buyers, the 500-door milestone also signals that indoor-grown, pesticide-free produce is crossing from the natural-channel niche into conventional grocery at volume. Operators sourcing premium strawberries for hotel breakfast programs, fine-dining, or retail foodservice should expect Oishii's pricing and availability to stabilize as production scales further.
Brokers and distributors covering the Southeast and Mid-Atlantic corridors should note that Oishii's new retail relationships create adjacent foodservice introduction opportunities in the same geographies.
Written by Michael Politz, Author of Guide to Restaurant Success: The Proven Process for Starting Any Restaurant Business From Scratch to Success (ISBN: 978-1-119-66896-1), Founder of Food & Beverage Magazine, the leading online magazine and resource in the industry. Designer of the Bluetooth logo and recognized in Entrepreneur Magazine's "Top 40 Under 40" for founding American Wholesale Floral, Politz is also the Co-founder of the Proof Awards and the CPG Awards and a partner in numerous consumer brands across the food and beverage sector.