Shimonita Negi Bunching Onion Seeds

Shimonita Negi XL Bunching Onion Seeds - Japanese Scallion/Spring Onions Heirloom Vegetable Seeds
Allium fistulosum
Listing is for 1 packet of minimum 30 seeds

Grow the Shimonita Negi, a rare and highly prized Japanese bunching onion known for its thick, juicy stalks and sweet, umami-rich flavor. Unlike typical green onions, Shimonita Negi develops a creamy, tender texture that’s perfect for grilling, stir-frying, and adding to soups. This cold-hardy and easy-to-grow variety thrives in cooler weather and is a staple in Japanese cuisine, often used in sukiyaki, miso soup, and tempura. Stalks get very big, almost like a mini leek. Hill up the soil to "blanch" the stalks just like you do when growing leeks to develope a longer white stalk portion. 

Follow me on social media because I post a lot of information on how to grow the very same seeds available in my shop. Instagram, YouTube, and TikTok: jerrasgarden. 

Ideal Growing Conditions

Sun: 8 hours of full sun

Water: Let the soil dry out a little in-between watering

Fertilizer: Regular applications of an organic granular fertilizer, like Espoma Garden-Tone, or blood meal, will help promote lush leaf growth.

When & How To Sow Seeds: Bunching onions grow well during the majority of the year. They tolerate a wide range of conditions and temperatures, from hot to cold. Start seeds 3 months in advance of whatever your target date is for transplanting them into the garden. Sow onion seeds in 72 cell seed trays, 10x20 flats, or densely in 4 inch pots, and pull them apart when it's time to transplant. Transplant when seedlings are 4-5 inches tall. Space them 3 inches apart or mix them throughout your garden and veggie crops to deter pests. 

Please watch my YouTube video on how to sow onion seeds for complete instructions: https://youtu.be/g35dF8aVDhw

Germination: 7-21 days Onions are slow to germinate

Days To Maturity: 80 days after transplanting

How & When To Harvest: Can harvest the greens at any time. Harvest a few green leaves at a time instead of pulling out the whole stalk so it will continue growing/producing. Then pull out whole stalks at the end of the season.

Common Diseases: The most common disease when growing green bunching onions is downy mildew. This fungal disease thrives in cool, damp conditions, causing pale green or yellow patches on leaves that progress to grayish-purple mold, eventually leading to leaf dieback and reduced growth. Avoid overhead watering and ensure proper spacing for good air circulation. Spray with 1 cup of hydrogen peroxide, which will kill the fungus, clean, and disinfect the leaves. 

Common Pests: The most common pests on green bunching onions are onion thrips and onion leaf miners. Thrips are tiny insects that feed on sap, causing silvery streaks and stunted growth, while leaf miners are flies whose larvae burrow into leaves, creating damaging tunnels. Treat thrips with an organic insecticidal soap or spinosad.  Leaf miners for the most part is just cosmetic damage, and are actually not so bad that it affects the plants. You can remove leaves that have their signature white trail markings if you would like.  

Do I have a YouTube video tutorial on how to grow this? Not yet

Additional Tips/Information: N/A

Terms and conditions READ THIS PLEASE:
- Seeds will be shipped with no planting instructions to keep seed costs low to the buyer. Germination and plant care information is included in the description. I encourage each gardener to research specifics on how to be successful growing them. I also have lots of information on my TikTok, Instagram and YouTube channel all under the account name jerrasgarden. I started this shop to share my love of certain seed varieties and spread the knowledge of gardening. Please contact me if you cant find information or have additional questions.

- No returns or refunds once shipped. I am not responsible for lost or damaged packages caused by USPS. Since there are so many factors that affect germination and growing success, no refunds or exchanges are allowed once seeds have shipped. These are the same seeds I use in my personal garden so I can attest to their viability. Seeds are fresh season to season.

- Availability of seed in this shop varies depending on what I have decided to grow that season. With that said, please be advised that seeds are available in limited quantities. Once sold out they may or may not be available again.