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.

A common way of determining when it's the best time to plant mimulus is to consult the USDA zone info for Celina.

Planting Calendar for Mimulus

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

You should not plant mimulus until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant mimulus in Celina 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 mimulus and expect a good harvest is probably August. You probably don't want to wait any later than that or else your mimulus may not have a chance to grow to maturity. You can get started a little bit earlier by starting your mimulus indoors.

Last Frost Date

In Celina the average date of last frost happens on March 15. In the coldest months of winter you should expect an average low temperature of 10°F.

Since the USDA zone info for Celina is not always accurate the actual date of last frost changes from year to year. Since half of the time in Celina it frosts late in the year after March 15 be ready to cover your mimulus if you have one of those late frosts.

USDA Zone Info for Celina

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Celina

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