Flavorful Bulbs
Produces edible onion bulbs commonly used to add flavor to a wide variety of meals.
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Onion (Allium cepa) is a popular cool-season vegetable grown for its flavorful underground bulbs and green foliage. Onions are widely used in salads, soups, sauces, stir-fries, and everyday cooking. These seeds can be grown in home vegetable gardens, raised beds, and suitable containers. With proper sunlight, well-drained soil, and consistent watering, onion plants can develop into useful garden vegetables.
Produces edible onion bulbs commonly used to add flavor to a wide variety of meals.
Suitable for cooking, salads, soups, sauces, and other everyday kitchen recipes.
Can be cultivated in vegetable gardens, raised beds, and appropriately sized containers.
Grows well during suitable cool-season conditions, depending on the onion variety and local climate.
| Scientific Name | Allium cepa |
| Common Name | Onion |
| Plant Family | Amaryllidaceae |
| Seed Type | Vegetable Seeds |
| Growth Habit | Biennial, generally grown as an annual vegetable |
| Plant Type | Edible Bulb Vegetable |
| Bulb Color | Depends on variety; commonly yellow, white, or red |
| USDA Hardiness Zones | Generally suitable across many growing zones as a seasonal crop |
| Planting Season | Fall or spring, depending on climate and variety |
| Growing Season | Cool-season growing period |
| Seed Starting | Direct sowing or indoor seed starting |
| Germination Time | Approximately 7–14 days under suitable conditions |
| Germination Temperature | Approximately 65–75°F (18–24°C) |
| Sunlight Requirements | Full sun, approximately 6–8 hours daily |
| Soil Requirements | Loose, fertile, well-drained soil |
| Watering Needs | Regular watering to maintain consistent soil moisture |
| Mature Plant Size | Varies by variety and growing conditions |
| Plant Spacing | Approximately 3–4 inches between plants for bulb production |
| Harvest Time | Approximately 90–120 days, depending on variety and growing conditions |
| Propagation | Seeds |
Add Onion Seeds to your vegetable garden and enjoy growing a versatile kitchen staple. With suitable planting conditions, regular watering, and adequate sunlight, onion plants can produce flavorful bulbs for a variety of homemade meals. Choose a variety suited to your local growing season for successful cultivation.
Find helpful answers about onion seed planting, bulb development, and harvesting.
Onions generally take around 90–120 days or longer to mature from seeds, depending on the variety, planting season, and growing conditions. Some varieties require additional time before producing mature bulbs.
Onion seeds are commonly started in late winter or early spring in colder regions. In areas with mild winters, fall planting may also be suitable. Choose short-day, intermediate-day, or long-day onion varieties according to your location and daylight conditions.
Short-day onions begin bulb formation with approximately 10–12 hours of daylight and are generally suited to southern growing regions. Long-day onions need approximately 14–16 hours of daylight and are better suited to northern regions. Intermediate-day varieties grow well in many areas between these regions.