Onion Plants Placeholder
Long-Day Onions
Intermediate-Day Onions
Short-Day Onions
- Short-Day Onions
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- Start bulbing process when day length reaches 10-12 hours
- Mature in 110 days when planted in the south during winter or early spring
- Mature in 75 days when planted in northern states in late spring
- The earlier you plant them, the larger they get
- Intermediate-Day Onions
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- Start bulbing process when day length reaches 12-14 hours
- Will produce nice-sized bulbs unless you live in far south Florida or south Texas
- Mature in 110 days when planted at the proper time
- Exceptionally sweet
- Long-Day Onions
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- Start bulbing process when day length reaches 14-16 hours
- Do extremely well in northern states
- Sweet, storage, and specialty long day varieties available
- Excellent for long storage

