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.

In Lewisville you can determine when it's the best time to plant mimulus by referring to the USDA zone info.

Planting Calendar for Mimulus

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

Since mimulus are not cold tolerant you have to wait until after the last frost before you can plant them.

The earliest that you can plant mimulus in Lewisville 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. If you wait any later than that and your mimulus may not have a chance to really do well. You can get started a little bit earlier by starting your mimulus indoors.

Last Frost Date

In Lewisville the average date of last frost happens on March 15. You can expect an average low temperature of 10°F in the coldest months of winter.

Keep in mind that USDA zone info for Lewisville is not always accurate and the actual date of last frost changes from year to year. Half of the time in Lewisville there is a last frost after March 15 so make sure that you are prepared to protect your mimulus if you have one of those late frosts.

USDA Zone Info for Lewisville

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 Lewisville

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