Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to estimate when it's the best time to plant vinca vine by referring to the USDA zone info for Humble.

Planting Calendar for Vinca Vine

Frost tolerance for vinca vine:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant vinca vine a bit earlier in the year because they do well in moderate cold.

The earliest that you can plant vinca vine in Humble is January. However, you really should wait until February if you don't want to take any chances.

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

Last Frost Date

On average all chance of frost has passed is on February 15 in Humble. It might get as low as 20°F during the coldest months of winter.

Keep in mind that USDA zone info for Humble is just an average and the actual date of last frost changes from year to year. Half of the time in Humble you get surprised by a frost after February 15 so make sure that you are ready to protect your vinca vine if you have 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.