One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. 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 Middleton can be figured out by looking at the USDA zone info.

Planting Calendar for Alternanthera

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

Since alternanthera do not do well in cold weather you have to wait until after the last frost before you can plant them.

The earliest that you can plant alternanthera in Middleton 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 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 Middleton. In the coldest months of winter you should expect an average low temperature of -20°F.

It's important to remember that USDA zone info for Middleton is an average and the actual date of last frost changes from year to year. Half of the time in Middleton last frost occurs after April 15 so just be sure to be ready to protect your alternanthera in the event of a surprise late frost.

USDA Zone Info for Middleton

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 Middleton

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