One of the best tools that you have as gardeners to help us estimate 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.

The earliest that you can plant evolvulus in Whittier should be determined by checking out the USDA zone info.

Planting Calendar for Evolvulus

Frost tolerance for evolvulus:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since evolvulus are not cold tolerant it's important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant evolvulus in Whittier 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 evolvulus and expect a good harvest is probably September. You probably don't want to wait any later than that or else your evolvulus may not have a chance to really do well. You can get started a couple of weeks earlier by starting your evolvulus indoors.

Last Frost Date

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

Just be sure to remember that USDA zone info for Whittier is just an average and the actual date of last frost will vary 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 protect your evolvulus if you have 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.