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

One way of figuring out when to plant alternanthera is to look at the USDA zone info for Perry.

Planting Calendar for Alternanthera

Frost tolerance for alternanthera:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since alternanthera are not cold tolerant it's necessary to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant alternanthera in Perry 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. If you wait any later than that and your alternanthera may not have a chance to really do well. Starting your alternanthera indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Perry. In the coldest months of winter you should expect an average low temperature of -20°F.

Since the USDA zone info for Perry is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Perry there is a last frost after April 15 so make sure that you are ready to cover your alternanthera in the event of one of those late frosts.

USDA Zone Info for Perry

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Perry

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