Onions
Onions is a Biennial Vegetable that thrives in USDA Zones 3β11. It requires full_sun and takes around 90β120 days to mature.
π US Planting Timing
π‘οΈ Temps & Growth (Fahrenheit)
| Minimum | 35Β°F |
| Optimal | 60β75Β°F |
| Minimum | 20Β°F |
| Optimal | 55β75Β°F |
| Minimum | 40Β°F |
| Optimal | 65β85Β°F |
π Garden Spacing & Soil
Spacing (Inches)
| Plant Depth | 1" (in) |
| Plant Spacing | 4" (in) |
| Row Spacing | 12" (in) |
| Square Foot (SFG) | 9 plants per sq. ft. |
Soil & Water
| pH Range | 6.00 β 6.80 |
| Drainage | Well Drained |
| Water/Week | 1 β 1.5" inches |
| Soil Types | LoamSandySilty |
πͺ΄ Container Gardening
This plant is highly suitable for growing in pots, grow bags, or urban balconies.
π US State Planting Forecast
Where can you plant Onions right now? Based on current weather, soil temperature & frost calendar for each state.
π Personal Planting Timeline
Your personalized schedule based on frost dates and current soil temperature. Showing default Zone 7 β set your location for exact dates.
π§ Watering Forecast
Need: 1.25" / week Β· based on forecast rain & evaporation
Enter your city or ZIP above to see a personalized 5-day watering schedule.
π‘οΈ Plant Stress Forecast
5-day temperature stress outlook for this plant
Enter your city or ZIP above to see if your plant will experience heat or cold stress this week.
π‘οΈ Growth Prediction
GDD-based harvest forecast Β· 2200 GDD needed
Enter your location and when you planted to get a personalized harvest prediction based on real temperature data.
π€ Companion Planting
β Plant Near
- Beets
- Brassicas
- Carrots
- Chamomile
- Lettuce
- Strawberries
- Tomatoes
β Keep Away From
- Asparagus
- Beans
- Peas
- Sage