{"product_id":"heirloom-long-day-walla-walla-onion-plants","title":"(Heirloom, Long Day) Walla Walla Onion Plants","description":"\u003cp dir=\"auto\"\u003e\u003cem\u003eBundle contains ~ 75 plants.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eWalla Walla\u003c\/strong\u003e is the legendary sweet onion of the Pacific Northwest, tracing its roots to 1900 when French soldier Peter Pieri brought seeds from the Mediterranean island of Corsica to the Walla Walla Valley—where generations of careful selection by Italian immigrant farmers like the Arbini and Locati families transformed it into the ultra-mild, jumbo sensation we know today.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThis long-day variety thrives in cool northern summers, producing flattened golden bulbs with ultra-juicy, translucent white flesh that's famously sweet enough to eat raw like an apple, earning it the title of Washington's official state vegetable in 2007 after a spirited student-led campaign. Each bundle contains approximately 75 healthy, premium, non-GMO plants grown with natural and regenerative practices. \u003cem\u003eUse fresh; not a storage onion.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eKey Details at a Glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eDay length\u003c\/strong\u003e: Long-Day (best in zones \u003cstrong\u003e3–6\u003c\/strong\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDays to maturity\u003c\/strong\u003e: \u003cstrong\u003e90–100\u003c\/strong\u003e from transplant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMature bulb size\u003c\/strong\u003e: 4–6+ inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage life\u003c\/strong\u003e: 1–2 months (best eaten fresh)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBundle size\u003c\/strong\u003e: Approximately 75 bare-root plants\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eWhy Grow Walla Walla?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eSweetest onion available\u003c\/strong\u003e – Virtually no bite; kid-approved raw, thanks to low-sulfur valley soil.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNorthwest icon\u003c\/strong\u003e – Official vegetable of Washington state; a true heirloom with Corsican heritage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEarly harvest\u003c\/strong\u003e – Ready before most long-day types; hand-harvest for delicate texture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrilling star\u003c\/strong\u003e – Caramelizes beautifully; high water content yields deep, warm flavors when cooked.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eGrowing Tips\u003c\/strong\u003e Direct-transplant as soon as soil can be worked in early spring (soil ≥40°F). Space 4–6″ apart in rows 12–18″ apart. Provide full sun, consistent moisture (1″ weekly), and occasional nitrogen boosts. Mulch to retain moisture and suppress weeds. Harvest when 50–70% of tops yellow and fall over; cure in a dry, airy spot for 2–3 weeks.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eStandard Information\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlant type\u003c\/strong\u003e: Bulbing onion (\u003cem\u003eAllium cepa\u003c\/em\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSun\u003c\/strong\u003e: Full sun (6–8+ hours)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoil\u003c\/strong\u003e: Well-drained, fertile loam; pH 6.0–7.0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater\u003c\/strong\u003e: Consistent, especially during bulb formation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardiness zones\u003c\/strong\u003e: 3–9 (bulbs form best in long-day regions)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eOrigin \u0026amp; Quality\u003c\/strong\u003e All plants are grown and shipped as \u003cstrong\u003ebare-root, dormant starts in biodegradable wrap from Sunbelt Transplants\u003c\/strong\u003e, a trusted leader in premium onion transplants based in the heart of U.S. onion country.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eDisclaimer\u003c\/strong\u003e Although these onions are grown by farms that are certified organic, we are not allowed to say it is Certified due to the rule 7 CFR § 205.2. The Farm On Central is in the process of becoming a Certified Handler for the 2026 season. All product provided for the 2026 season will be certified.\u003c\/p\u003e","brand":"The Farm On Central","offers":[{"title":"March","offer_id":44966049546448,"sku":"LPWALLA1MARFS","price":24.99,"currency_code":"USD","in_stock":false},{"title":"April","offer_id":44966049579216,"sku":"LPWALLA1APRFS","price":24.99,"currency_code":"USD","in_stock":false},{"title":"May","offer_id":44966049611984,"sku":"LPWALLA1MAYFS","price":24.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/8331\/3360\/files\/Walla_Walla.png?v=1774034639","url":"https:\/\/wattersgardencenter.com\/products\/heirloom-long-day-walla-walla-onion-plants","provider":"Watters Garden Center","version":"1.0","type":"link"}