Before planting it is a good idea to find your USDA Zone info to determine 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.

It's possible to estimate when it's the best time to plant veronica by reviewing the USDA zone info for Whittier.

Planting Calendar for Veronica

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

You can plant veronica just a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant veronica in Whittier 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 veronica and expect a good harvest is probably October. Any later than that and your veronica may not have a chance to grow to maturity. Starting your veronica indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on January 31 in Whittier. In the coldest months of winter you can expect an average low temperature of 30°F.

Since the USDA zone info for Whittier is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Whittier you get surprised by a frost after January 31 so make sure that you are prepared to cover your veronica in the event of one of those late frosts.

USDA Zone Info for Whittier

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Whittier

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