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 USDA zone info for Iowa Park can be reviewed to estimate when it's a good idea 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 tells us that you can plant them much earlier than more sensitive plants.

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

The last month that you can plant violas and expect a good harvest is probably September. If you wait any later than that and your violas may not have a chance to really do well. Starting your violas indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Iowa Park the average date of last frost happens on April 15. It might get as low as 5°F during the coldest months of winter.

Since the USDA zone info for Iowa Park is an average the actual date of last frost is different every year. Since half of the time in Iowa Park you get a frost after April 15 be ready to cover your violas if you have one of those late frosts.

USDA Zone Info for Iowa Park

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Iowa Park

You may be interested in your other planting guides for Iowa Park.