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.

The best time to plant alternanthera in Greenville can be figured out by reviewing the USDA zone info.

Planting Calendar for Alternanthera

Frost tolerance for alternanthera:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since alternanthera require warm weather you need to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant alternanthera in Greenville is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant alternanthera and expect a good harvest is probably August. Any later than that and your alternanthera may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your alternanthera indoors.

Last Frost Date

The average date of last frost is April 15 in Greenville. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Greenville is an average the actual date of last frost changes from year to year. Half of the time in Greenville there is a last frost after April 15 so make sure that you are prepared to cover your alternanthera in the event of a surprise late frost.

USDA Zone Info for Greenville

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

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

Plants to Grow in Greenville

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