The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to figure out when you can plant mimulus by using the USDA zone info for Humble.

Planting Calendar for Mimulus

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

Mimulus do not do well in cold weather which means that it is necessary to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant mimulus in Humble 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. You probably don't want to wait any later than that or else your mimulus may not have a chance to really do well. Starting your mimulus indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Humble the average date of last frost happens on February 15. You should expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Humble is just an average the actual date of last frost changes from year to year. Half of the time in Humble last frost occurs after February 15 so just be sure to be ready to protect your mimulus in the event of a late frost.

USDA Zone Info for Humble

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 Humble

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