One of the best tools that you have as gardeners to help us estimate 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 earliest that you can plant alternanthera in Red Lion can be estimated by using the USDA zone info.

Planting Calendar for Alternanthera

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

It's probably not a good idea to plant alternanthera until after the last frost has passed because they require warm weather.

The earliest that you can plant alternanthera in Red Lion 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 little bit earlier by starting your alternanthera indoors.

Last Frost Date

The average date of last frost is April 15 in Red Lion. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Red Lion is not always accurate the actual date of last frost changes from year to year. Since half of the time in Red Lion there is a last frost after April 15 be ready to cover your alternanthera if you have a surprise late frost.

USDA Zone Info for Red Lion

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Red Lion

You may be interested in your other planting guides for Red Lion.