The USDA Zone info is a great tool for gardeners to help us determine 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.

In Mount Pleasant you can determine when it's the best time to plant onions 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 ok in pretty solid cold which tells us that you can plant them quite a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant onions in Mount Pleasant 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 really do well. You can get started a few weeks earlier by starting your onions indoors.

Last Frost Date

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

Remember that USDA zone info for Mount Pleasant may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Mount Pleasant last frost occurs after March 15 be ready to protect your onions if you have a surprise late frost.

USDA Zone Info for Mount Pleasant

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 Mount Pleasant

You may be interested in your other planting guides for Mount Pleasant.