One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By checking out the USDA zone info for Emeryville you will be able to determine when it's the best time to plant verbena.

Planting Calendar for Verbena

Frost tolerance for verbena:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Verbena tend to make it in very little cold which means that you can plant them slightly earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant verbena in Emeryville is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant verbena and expect a good harvest is probably September. Any later than that and your verbena may not have a chance to really do well. You can get started a couple of weeks earlier by starting your verbena indoors.

Last Frost Date

In Emeryville the average date of last frost happens on January 31. You should expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for Emeryville is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Emeryville you get surprised by a frost after January 31 be ready to cover your verbena in the event of one of those late frosts.

USDA Zone Info for Emeryville

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 Emeryville

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