The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can determine when it's possible to plant onions in Mauldin by looking at the USDA zone info.

Planting Calendar for Onions

Frost tolerance for onions:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Onions do well in cold which tells us that you can plant them much earlier than other frost tender plants.

The earliest that you can plant onions in Mauldin 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 onions and expect a good harvest is probably September. If you wait any later than that and your onions may not have a chance to fully mature. You can get started a little bit earlier by starting your onions indoors.

Last Frost Date

The average date of last frost is March 15 in Mauldin. You can expect an average low temperature of 10°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Mauldin is an average and the actual date of last frost will vary from year to year. Half of the time in Mauldin last frost occurs after March 15 so always be ready to protect your onions in the event of a surprise late frost.

USDA Zone Info for Mauldin

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Mauldin

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