One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Galena Park you will be able to figure out when it's possible to plant mimulus.

Planting Calendar for Mimulus

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

It's probably a bad idea to plant mimulus until after the last frost because they require warm weather.

The earliest that you can plant mimulus in Galena Park 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 mimulus and expect a good harvest is probably September. If you wait any later than that and your mimulus may not have a chance to fully mature. Starting your mimulus indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Galena Park. In the coldest months of winter you should expect an average low temperature of 20°F.

Since the USDA zone info for Galena Park may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Galena Park it frosts late in the year after February 15 be ready to cover your mimulus if you have a surprise late frost.

USDA Zone Info for Galena Park

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Galena Park

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