One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Falfurrias you can determine when it's a good idea to plant alternanthera by looking at the USDA zone info.

Planting Calendar for Alternanthera

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

Since alternanthera are not cold tolerant you really should wait until after the last frost has passed before you can plant them.

The earliest that you can plant alternanthera in Falfurrias is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant alternanthera and expect a good harvest is probably September. If you wait any later than that and 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 February 15 in Falfurrias. In the coldest months of winter you can expect an average low temperature of 25°F.

Always keep in mind that USDA zone info for Falfurrias is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Falfurrias it frosts late in the year after February 15 be ready to cover your alternanthera in the event of a surprise late frost.

USDA Zone Info for Falfurrias

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Falfurrias

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