Name: US Sierra Blanca F1 Seed (白洋蔥) / Johnny's Seed / USA / 10g or 25 pcs Per Pack
SKU: 63d864d7b6e38d00231d8118
Price: 48.0 HKD
Availability: InStock

US Sierra Blanca F1 Seed (白洋蔥) / Johnny's Seed / USA / 10g or 25 pcs Per Pack

Sierra Blanca (F1) Onion Seed

Big, mild white onions.

Widely adapted, day-neutral, and matures well anywhere in North America from spring sowing. Suitable for fall planting where short-day onions are normally grown. Produces uniform, large, white-skinned onions with mild flavor and thick rings.

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Description

🐝 Supplier / Place of Origin: USA

🔖 Certification: Part of the product name indicates organic, which belongs to organic certification

🌱 Manufacturer introduction:

For 50 years Johnny’s has set the standard for high seed quality, meeting or exceeding federal minimum requirements for germination rates, pathogen testing, and traceability. Johnny's does not knowingly sell genetically modified seeds; nor do we breed new varieties using genetic engineering. Our breeders use traditional, painstaking methods of natural crossing to create hybrid seeds that are healthy and safe.

🛍 Product Information :

https://www.johnnyseeds.com/

Prize：AAS (All-America Selections) Winner

LATIN NAME

Allium cepa

DAYS TO MATURITY About Quick Fact Days To Maturity

109 Days

LIFE CYCLE About Quick Fact Life Cycle

Annual

DISEASE RESISTANCE CODES About Quick Fact Disease Resistance Codes

HYBRID STATUS About Quick Fact Hybrid Status

Hybrid (F1)

Seed Introduction

CULTURE:

Onions require full sun and fertile, well-drained soil with a pH of 6.0–7.0. Sandy loam soils are ideal; in heavier soils, use raised beds or raised rows to promote soil drainage.

DIRECT SEEDING:

In April or early May, or as soon as the soil can be prepared in early spring, sow in a 2" wide band, about 2 seeds/in., 1/4– 1/2" deep, rows 12–18" apart. Thin to 1 1/2–2" apart for highest yields in fertile soil. Thin to 3-4" apart for larger onions.

TRANSPLANTING:

In short-season areas, sow seeds indoors in flats in late February to mid-March. Broadcast 1/2" apart and cover 1/4". Tops may be clipped to 5" tall. Transplant to the garden 4" apart, or sow 5 seeds in each cell of 1–1 1/2" diameter plug trays, thinning to 3 per cell. Transplant each cell 6" apart.

CULTIVATION:

Keep onions well weeded with shallow cultivation.

WATER:

Onions are shallow-rooted and grow best with at least 1" per week of rain or irrigation, especially during the bulbing phase.

DISEASES:

Adequate air circulation and crop rotation aids in reducing the risk of foliar disease.

HARVEST:

When necks become soft and tops are falling over, pull and sun-cure at least 2–7 days, depending on weather. Move to a protected location to finish drying.

STORAGE:

When dry, clip off tops and roots and store in onion bags or shallow boxes at near freezing and 65–70% humidity.

DAY LENGTH:

Onion bulbing is triggered by day length, and maximum day length during the growing season increases from south to north. Short-day onions are grown at lower latitudes in the South, while intermediate and long-day onions are grown at higher latitudes. Refer to "Adaptation" in each variety description for details.

DAYS TO MATURITY:

From direct seeding; subtract 10–15 days for days to maturity from transplant.

AVG. DIRECT SEEDING RATE:

1 oz./25', 1M/50', 5M/250', 25M/1,250', 580M/acre at 20 seeds/ft., in rows 18" apart.

TRANSPLANTS:

Avg. 1 oz./4,900 plants, 1 lb./78,750.

SIZED SEEDS:

Standard on all varieties.

Seed, the propagule peculiar to gymnosperms and angiosperms, which is formed by pollination and fertilization of ovules. Seeds are generally composed of three parts: seed coat, embryo and endosperm. Some mature seeds of plants only have two parts: seed coat and embryo. Seed formation enables young sporophytic ovules to be protected by the mother and nourished like a mammalian fetus. Seeds also have various structures suitable for spreading or resisting unfavorable conditions, creating favorable conditions for the continuation of the plant race. Therefore, in the process of plant phylogeny, seed plants can replace ferns to obtain the dominant position. The above are botanical seeds, not production seeds. Production seeds include not only the above botanical seeds, but also organs and artificial seeds that plants can use for reproduction.

Seeds are the reproductive system of seed plants and play an important role in the continuation of species. Seeds are closely related to human life. In addition to the grain, oil, and cotton necessary for daily life, some medicines (such as almonds), seasonings (such as pepper), and beverages (such as coffee and cocoa) all come from seeds. Plants, trees, flowers and plants are also reproduced from seeds. Many of the seeds are edible and are a delicious addition to the table.

Seeds are specific organs of seed plants whose main function is reproduction. The shape, size, color, surface texture, etc. of the seeds vary with different plant species. Seeds are often round, oval, kidney-shaped, oval, conical, polygonal, etc.

Sowing

1. Sowing time: it can be carried out according to the temperature of different areas where the plants grows, combined with the local meteorological data;

Generally, the suitable sowing period is from mid-September to late October, and the most suitable sowing period is mid-October. Sowing too early, on the one hand, high temperature and drought affect the emergence of seedlings, on the other hand, affected by high temperature and drought, the fleshy root bark is thick, poor quality, and low yield; too late sowing, seedling emergence, root growth, and yield are severely affected by low temperature, therefore, Sowing in mid-October after the rain is soaked, the emergence of seedlings is guaranteed, and it is easier to obtain high yields.

2. Sowing method: Sowing at the right time to improve land utilization.

Hong Kong Fruit and Vegetable Planting Schedule

Timely planting and harvesting of fruits and vegetables is very important for maximum harvest.

↓ Plant✌Harvest

crop month	1	2	3	4	5	6	7	8	9	10	11	12	number of growing days	Row spacing ( cm )
Cabbage
Kale	↓ ✌	↓ ✌	✌	✌					↓	↓ ✌	↓ ✌	↓ ✌	50-125	10-20
broccoli	✌	✌	✌						↓	↓	↓	↓ ✌	90-120	60
Cauliflower	✌	✌	✌						↓	↓	↓	↓ ✌	90-120	60
broccoli	✌	✌	✌						↓	↓	↓	↓ ✌	90	30
mustard greens	✌	✌	✌							↓	↓	↓ ✌	60-75	30-40
mustard greens			Complete	year	Can	kind							40-70	30
Chinese cabbage	↓ ✌	↓ ✌	↓ ✌	✌				↓	↓ ✌	↓ ✌	↓ ✌	↓ ✌	20-80	10-20
Choy Sum	↓ ✌	↓ ✌	↓ ✌	✌				↓	↓ ✌	↓ ✌	↓ ✌	↓ ✌	40-90	10-20
yellow teeth white	✌	✌							↓	↓	↓	↓ ✌	90	15-20
Leafy vegetables
Amaranth		↓	↓	↓ ✌	↓ ✌	↓ ✌	↓ ✌	↓ ✌	↓ ✌	✌			20-60	10-20
Tong Cai		↓	↓	↓ ✌	↓ ✌	↓ ✌	↓ ✌	↓ ✌	✌				40-70	20-30
tansai		↓	↓	↓ ✌	↓ ✌	↓ ✌	↓ ✌	↓ ✌					60	30
celery	✌	✌	✌	✌				↓	↓	↓	↓	↓ ✌	120-140	25-30
Tang Qin	↓ ✌	✌								↓	↓ ✌	↓ ✌	120-140	13
Fansi	✌	✌	✌	✌	✌				↓	↓	↓	↓	80-120	10-20
Artemisia annua	↓ ✌	↓ ✌	✌						↓	↓	↓ ✌	↓ ✌	40-60	8
spinach	↓ ✌	↓ ✌	✌						↓	↓	↓ ✌	↓ ✌	60-80	8-15
lettuce	↓ ✌	↓ ✌	↓ ✌	✌	✌			↓	↓	↓ ✌	↓ ✌	↓ ✌	40-85	30-45
Onion and garlic
onion			Complete	year	Can	kind							80-120	10-25
Chinese chives			Complete	year	Can	kind							perennial	23-30
garlic	✌	✌	✌	✌	✌				↓	↓	↓		125-150	20-25
garlic	✌	✌	✌						↓	↓	↓	↓ ✌	100	10
onion			✌	✌	✌			↓	↓				100-120	6-8
Solanaceous
chili			Complete	year	Can	kind							70-180	18
bell pepper	✌	✌	✌	✌				↓	↓	↓	↓ ✌	↓ ✌	90-160	60
tomato	↓ ✌	↓ ✌	✌	✌	✌	✌			↓	↓	↓ ✌	↓ ✌	90-120	60
Dwarf melon	✌	↓ ✌	↓ ✌	↓ ✌	↓ ✌	↓ ✌	✌	✌		↓	↓	↓ ✌	80-150	60
melons
Cucumber		↓	↓	↓✌	↓✌	↓✌	↓✌	↓✌	✌	✌			65-90	60
loofah		↓	↓	↓	↓✌	↓✌	↓✌	✌	✌	✌			80-90	90
Zucchini ( hair melon )		↓	↓	↓	↓ ✌	↓ ✌	↓ ✌	✌	✌	✌			80-120	60
winter melon		↓	↓	↓	↓ ✌	↓ ✌	↓ ✌	✌	✌	✌			100-120	152
Momordica charantia		↓	↓	↓✌	↓✌	↓✌	↓✌	↓✌	✌	✌			70-115	122
white melon		↓	↓	↓ ✌	↓ ✌	↓ ✌	✌	✌	✌				60-90	45
watermelon			↓	↓	↓ ✌	↓ ✌	↓ ✌	✌	✌				70-100	182
Cucumber		↓	↓ ✌	↓ ✌	✌	✌	↓ ✌	↓ ✌	✌	✌			45-75	60
gourd melon		↓	↓	↓ ✌	↓ ✌	↓ ✌	↓ ✌	✌	✌	✌			60-90	60
cucumber		↓	↓	↓ ✌	↓ ✌	↓ ✌	↓ ✌	↓ ✌	✌	✌			65-90	60
pumpkin			↓	↓	↓ ✌	↓ ✌	↓ ✌	↓ ✌	✌	✌			30-100	90-270
beans
beans		↓	↓	↓✌	↓✌	↓✌	↓✌	✌	✌				50-80	60
green beans						↓	↓	↓ ✌	✌	✌			70	10-30
red beans		↓	↓	↓	↓	↓ ✌	↓ ✌	↓ ✌	✌	✌			70-150	10-30
soy		↓	↓	↓	↓	↓ ✌	↓ ✌	↓ ✌	✌	✌			70-150	10-30
Jade beans	↓ ✌	✌	✌						↓ ✌	↓ ✌	↓ ✌	↓ ✌	60-80	30
snow peas	↓ ✌	✌	✌				↓	↓	↓ ✌	↓ ✌	↓ ✌	↓ ✌	60-90	15-30
broad bean	✌	✌	✌						↓	↓	↓	↓ ✌	90-100	35-50
peanut	↓ ✌	↓	↓		✌	↓ ✌	↓ ✌	↓	↓	✌	✌	✌	100-140	10-30
root vegetables
Gan Xun	↓ ✌	↓ ✌	↓ ✌	✌	✌				↓	↓	↓ ✌	↓ ✌	70-90	10-20
white radish	↓ ✌	↓ ✌	✌	✌				↓	↓	↓ ✌	↓ ✌	↓ ✌	45-70	15-30
cherry radish	↓ ✌	↓ ✌	↓ ✌	↓ ✌	✌				↓	↓ ✌	↓ ✌	↓ ✌	25-60	10
Beetroot	↓ ✌	↓ ✌	✌	✌					↓	↓	↓ ✌	↓ ✌	60-90	20
Yams
sweet potato	✌	↓ ✌	↓ ✌	↓ ✌	↓ ✌	↓ ✌	↓ ✌	↓ ✌	↓ ✌	↓ ✌	✌	✌	90-100	25
ginger		↓	↓	↓			✌	✌	✌				180	45
Potatoes / Potatoes	✌	✌	✌	✌	✌				↓	↓	↓	↓	100	30
perennial vegetables
Lu Xun			↓	↓	✌	✌	✌	✌	↓	↓			perennial	90
other
okra				↓	↓	↓ ✌	↓ ✌	↓ ✌	✌	✌	✌		70-90	60-90
corn	✌	↓	↓	✌	✌	✌			↓	↓	✌	✌	70-120	30
rice			↓	↓		↓	↓ ✌	✌		✌	✌		90-130	30

Field management

1. Replenishing seedlings in time: Adhere to the principles of early thinning, sub-thinning, and late setting of seedlings, remove miscellaneous seedlings, weak seedlings, deformed seedlings, diseased and pest seedlings, and select varieties with leaf shapes, bright green colors, and stretched leaves. Petiole and fleshy pure seedlings and shape seedlings; if there are lack of seedlings, replant them in time, try to transplant with soil when replanting, to avoid bending of the seedlings. When setting the seedlings, leave 1 plant per pond.

2. Top dressing and watering: The correct use of fertilizer and water to balance the growth of the above-ground part and the underground part is the key to high yield.

In the management, topdressing is generally 2-3 times, and the fertilizer should be mainly organic fertilizer, and phosphorus and potassium fertilizer should be added. The first top dressing is in the "breaking belly" period, that is, the period of 5-6 true leaves. After the seedlings are set, 5-6 kg of urea is used per mu and watered to lay the material foundation for the later period of fleshy roots. "Head" stage, that is, when the fleshy root diameter is 1-1.5 cm thick.

Proper leaf trimming:

When fleshy roots grow out of the surface 1/3, trim leaves, generally leave 5-6 leaves per plant, and trim the remaining old leaves, diseased leaves, and damaged leaves to make green fodder.

Harvest:

When harvesting, remove the leaves and fibrous roots and wash them with clean water.

Seed Sowing Tips and Methods Mindful Garden (Cantonese):

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