{"product_id":"lettuce-seeds-zwart-duits-lactuca-sativa-butterhead","title":"Lettuce Seeds Zwart Duits Lactuca Sativa Annual Butterhead","description":"\u003ch2\u003eButterhead lettuce for tender heads in summer\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003elettuce seeds\u003c\/strong\u003e ‘Zwart Duits’ are a classic annual butterhead type grown as a leafy salad vegetable. This head lettuce variety forms a compact, softly filled heart surrounded by juicy green leaves with a lighter-colored center. The texture is characteristically smooth and delicate, which is why it is often grouped with butterhead lettuce seeds for gardeners who like mild, tender leaves.\u003c\/p\u003e\n\u003ch2\u003ePlant characteristics and garden use\u003c\/h2\u003e\n\u003cp\u003eThis \u003cem\u003eLactuca sativa\u003c\/em\u003e selection is suited to open-ground cultivation and is commonly chosen as lettuce seeds for summer growing when you want reliable heads for the kitchen garden. As a leafy salad crop, it fits well in mixed vegetable beds, raised beds, and traditional rows, and it can be harvested as a full head once mature. For best results, keep the soil evenly moist and avoid letting the bed dry out, especially during warmer periods.\u003c\/p\u003e\n\u003ch2\u003eTemperature note for more even germination\u003c\/h2\u003e\n\u003cp\u003eFor cool weather germination lettuce, a relatively moderate temperature is helpful; the source guidance notes 15–20 °C for more consistent sprouting compared with warm conditions. This makes it a practical choice for gardeners looking for lettuce seeds low temperature germination and a dependable butterhead lettuce seeds annual option for seasonal sowings.\u003c\/p\u003e","brand":"Shaphira","offers":[{"title":"Default Title","offer_id":51743840895313,"sku":"SHA-LUN-051536-6","price":4.45,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0860\/2458\/5553\/files\/SHA-LUN-051536-6_1_94acb2f6-e150-4cd1-93e6-24d58872399f.png?v=1778194790","url":"https:\/\/seedschoice.com\/products\/lettuce-seeds-zwart-duits-lactuca-sativa-butterhead","provider":"SeedsChoice","version":"1.0","type":"link"}