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.

By referring to the USDA zone info for Barstow you will be able to estimate when it's the best time to plant pansies.

Planting Calendar for Pansies

Frost tolerance for pansies:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Pansies do well in a bit of cold which means that you can plant them much earlier in the year than more sensitive plants.

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

Last Frost Date

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

Since the USDA zone info for Barstow 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 Barstow last frost occurs after February 15 be ready to cover your pansies if you have one of those late frosts.

USDA Zone Info for Barstow

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 Barstow

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