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

By checking out the USDA zone info for Pharr it's a good idea to estimate when it's the best time to plant violas.

Planting Calendar for Violas

Frost tolerance for violas:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Violas are very cold tolerant which means that you can get them planted much earlier than other frost tender plants.

The earliest that you can plant violas in Pharr is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant violas and expect a good harvest is probably October. If you wait any later than that and your violas may not have a chance to fully mature. Starting your violas indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Pharr the average date of last frost happens on February 15. It might get as low as 25°F during the coldest months of winter.

Keep in mind that USDA zone info for Pharr is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Pharr it frosts late in the year after February 15 be ready to protect your violas if you have a late frost.

USDA Zone Info for Pharr

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 Pharr

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