When to Plant Pentas in Lafayette, CA

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.

In Lafayette you can figure out when it's possible to plant pentas by referring to the USDA zone info.


Planting Calendar for Pentas

Frost tolerance for pentas: Not tolerant of frost.
When to plant: After the last frost.

It's probably not a good idea to plant pentas until after the last frost when the weather gets warmer because they do not do well in cold weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant pentas
Possibly ok, but a risky time to plant pentas
Probably not a good time to plant pentas

The earliest that you can plant pentas in Lafayette 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. You probably don't want to wait any later than that or else your pentas may not have a chance to really do well. You can get started a little bit earlier by starting your pentas indoors.

Last Frost Date

In Lafayette the average date of last frost happens on February 15. You should expect an average low temperature of 25°F in the coldest months of winter.

Remember that USDA zone info for Lafayette may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Lafayette you get a frost after February 15 be ready to protect your pentas if you have a surprise late frost.

USDA Zone Info for Lafayette

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low25°F
Highest Expected Low30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Lafayette

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