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Nebuka Evergreen Bunching Onion Seeds

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Cold Tolerant
Suitable for all Regions
Nebuka Evergreen Bunching Onions
SKU: ON60-100
Country Of Origin: Japan Japan
Availability: In stock
Your price: $3.75
Bunching Onion
New Lower Price
Non Treated Seeds
Non-GMO Variety
90 days. Allium cepa. Open Pollinated. Nebuka Evergreen Bunching Onion. The plant produces excellent yields of bunching onions. It has white shanks and white skin and grows in clusters. Perfect for salads, soups, stirfries, fish, and garnishes. Used extensively in Japanese and Chinese cooking. Hardy plants winter over for spring crop. These green onions do not form bulbs and do not multiply by division. This variety is exclusively grown for green bunching onions. Cold Tolerant. An excellent choice for home gardens and market growers. A variety from Japan. Disease Resistant: PR, S, TH.

Lot No: 230204

Germination: 85%

Test Date: 06/24

Seeds Per Pound: 144,000

Plant Height: 12 to 16" tall

Planting Season: Spring

Sunlight Requirement: Full Sun

Planting Method: Direct Sow/Indoor Sow
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Onions Allium cepa

Seed DepthSoil Temp. for GerminationDays to GerminationSunlight RequirementsPlanting Time
1/4 to 1/2"50 F to 90 F 10 to 14 daysFull Sun Spring
USDA Hardiness ZoneSeed SpacingRow SpacingSpace After ThinningDays to Harvest
N/A 3 to 4"12 - 18" 4 to 6"90 - 120 days
Onion Seed Planting Information:

Onions seeds should be planted indoors 6 to 8 weeks before ground can be worked. You can also plant seeds directly in the garden. Spring planting should occur as soon as soil can be worked. Keep free from weeds. You need long sunny days to grow large onions. Shallots are very close to garlic and are very easy to grow. Plants can grow 8 to 12" tall.

Soil Requirements:

Requires fertile soil in a well drained location in the garden. Apply much and grass clippings, or straw around base of plant.

Water Requirements:

Keep seedlings and transplants consistently moist, but not waterlogged. Water well during dry and hot spells.

Fertilizer Requirements:

Use RootBlast, Vegetable Alive, and Slow Release Fertilizer when transplanting outdoors. Apply Miracle Gro every 2 weeks.

Harvest Tips:

You can harvest onion for their green stems (scallions) at anytime. Cut the green stems with garden scissors when tops are 4 - 8" tall. For bulb product, let the tops dry up themselves before digging them up. Spread bulbs on ground for 3 to 5 days to cure.

PR - Pink Rot

Scientific Name: Phoma terrestris

Type: Fungus

Pink Rot is a devastating soil borne disease that affects the growth of onions and can occasionally affect corn, peppers, spinach, and soybeans. The disease started in North Carolina and the mid-Atlantic region and continues to spread to other areas. The disease affects the roots, where they become shriveled and deteriorate, and then may disintegrate. Symptoms of wilting of the leaves may occur and the leaves turn a pale green and start to die off. Onions infected with Pink Root often show a light pink color, then becoming a darker pink color, and progressing to a purple-brown color. The plant is rarely killed by the disease, but the bulbs never matures fully. The surviving plants are stunted and the bulb size is reduced and becomes soft and non-desirable. Cold weather, drought conditions, insect spreading the disease, nutrient deficiencies, and other diseases, can cause stress to the plant which can increase the severity of the disease. Plan on using a 6 year crop rotation and avoid planting onions in the same location, year after year as the disease can survive in the soil for a long time. The best option is to use disease resistant varieties and/or use a root fungicide for soil based diseases.

S - Smut

Scientific Name: Urocystis cepulae or Urocystis colhici

Type: Fungus

Smut is a world-wide soil borne disease that affects the growth of cantaloupes & melons, leeks, onions, and shallots. Smut has not been found in chives and garlic. It is one of the most destructive disease in growing onions in northern parts of the United States. The disease infects plants only when they are seedlings, killing the plants early in the season. Symptoms of smut include black streaks, blisters, or lesions appearing on the young leaves near the bulbs. A black powdery spore mass will be released when the bulbs rupture. Cold damp weather in the spring can make the seedling acceptable to the disease. Once affected by the disease, most of the seedlings will die in 3 to 5 weeks after germination. Infected plants may survive in a weaken condition, but the plant growth will be stunted, and the plant will die slowly. The infected plants should be removed and burned on the spot to avoid further infestation. The disease is also favorable when temperatures are 61-72 F, and usually occur in the spring. If the soil temperature is above 84%, when the seedlings are susceptible to the disease, there is usually no infection. Plan on using a 3 year crop rotation and avoid planting onions in the same location, year after year, as the disease can survive in the soil for a long time, up to 15 years. The smut disease can be transmitted from one field to another by water, by wind, and by farm equipment. Once the soil is infected, only seeds treated with fungicide should be planted. The best option is to use disease resistant varieties.

TH – Thrips

Type: Insect

The onion thrips is a common insect pest of onions. The insect is present throughout the United States. It is one of the most destructive insect pests in growing onions in Washington State. Besides onions, they feed on numerous vegetables including: cabbage, potato, and tomato. Thrips damage onions by puncturing the leaves and sucking up the sap. The damage causes the leaves to dry up, wither, turn brown, and eventually cause the stalk to bend and break. If thrips are feeding on cabbage, the cabbage will be blistered, scarred, and bronzed by thrips feeding on the leaves. Where many thrips had fed, discolored brownish blister-like areas will be visible. Lacewings, lady bugs, and parasite wasps may help regulate the thrips population. Insecticides have helped in controlling thrips in the past, but its rapid resistance to insecticides has been a problem. The best option is to use thrips tolerant varieties.

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