Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Westlake can be looked at to estimate when it's the best time to plant pentas.

Planting Calendar for Pentas

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

You should not plant pentas until after the last frost because they are not cold tolerant.

The earliest that you can plant pentas in Westlake 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 pentas and expect a good harvest is probably September. If you wait any later than that and your pentas may not have a chance to really do well. You can get started a couple of weeks earlier by starting your pentas indoors.

Last Frost Date

The average date of last frost is February 15 in Westlake. It might get as low as 20°F during the coldest months of winter.

Since the USDA zone info for Westlake is an average the actual date of last frost changes from year to year. Since half of the time in Westlake it frosts late in the year after February 15 be ready to protect your pentas if you have one of those late frosts.

USDA Zone Info for Westlake

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 Westlake

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