One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of making a decision about when to plant alternanthera is to examine the USDA zone info for Othello.

Planting Calendar for Alternanthera

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

Since alternanthera require warm weather it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant alternanthera in Othello 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 really do well. If you are starting your alternanthera indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Othello. You can expect an average low temperature of -5°F in the coldest months of winter.

Keep in mind that USDA zone info for Othello is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Othello you get a frost after April 15 be ready to cover your alternanthera if you have a surprise late frost.

USDA Zone Info for Othello

Here is the info for USDA Zone 6b.

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

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

Plants to Grow in Othello

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