The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of determining when you can plant bunching onions is to check out the USDA zone info for Miami.

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.

You can plant bunching onions just a tiny bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant bunching onions in Miami is January. However, you really should wait until February 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 November. If you wait any later than that and your bunching onions may not have a chance to grow to maturity. Starting your bunching onions indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Miami it never frosts. In the coldest months of winter you should expect an average low temperature of 40°F.

Since the USDA zone info for Miami is an average the actual date of last frost is different every year. Since it never frosts in Miami you do not have to be ready to protect your bunching onions if you have one of those late frosts.

USDA Zone Info for Miami

Here is the info for USDA Zone 11a.

Average Date of Last Frost (spring)	Never
Average Date of First Frost (fall)	Never
Lowest Expected Low	40°F
Highest Expected Low	45°F

This means that on a really cold year, the coldest it will get is 40°F. On most years you should be prepared to experience lows near 45°F.

Plants to Grow in Miami

You may be interested in your other planting guides for Miami.