When to Plant Bunching Onions in Boca Raton, FL

One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Boca Raton should be reffered to in order to determine when it's the best time to plant bunching onions.

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Planting Calendar for Bunching Onions

Frost tolerance for bunching onions: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Since bunching onions do ok in moderate cold you can plant them slightly earlier in the year than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant bunching onions
Possibly ok, but a risky time to plant bunching onions
Probably not a good time to plant bunching onions

The earliest that you can plant bunching onions in Boca Raton is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant bunching onions and expect a good harvest is probably September. You probably don't want to wait any later than that or else your bunching onions may not have a chance to really do well. You can get started a few weeks earlier by starting your bunching onions indoors.

Last Frost Date

In Boca Raton the average date of last frost happens on January 31. It might get as low as 35°F during the coldest months of winter.

Always keep in mind that USDA zone info for Boca Raton may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Boca Raton it frosts late in the year after January 31 be ready to protect your bunching onions in the event of one of those late frosts.

USDA Zone Info for Boca Raton

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low35°F
Highest Expected Low40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Boca Raton

You may be interested in your other planting guides for Boca Raton.