Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By reviewing the USDA zone info for Elmira it's possible to estimate when it's a good idea to plant alternanthera.

Planting Calendar for Alternanthera

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

Alternanthera are not cold tolerant which tells us that it is important to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant alternanthera in Elmira 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. You probably don't want to wait any later than that or else your alternanthera may not have a chance to fully mature. Starting your alternanthera indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Elmira. You should expect an average low temperature of -10°F in the coldest months of winter.

Remember that USDA zone info for Elmira may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Elmira there is a last frost after April 15 so always be ready to protect your alternanthera if you have a surprise late frost.

USDA Zone Info for Elmira

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Elmira

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