The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to determine when you can plant four o' clock by looking at the USDA zone info for Salinas.

Planting Calendar for Four O' Clock

Frost tolerance for four o' clock:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Four O' Clock do not do well in cold weather which means that you must wait until it warms up after the last frost before you can plant them.

The earliest that you can plant four o' clock in Salinas 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 four o' clock and expect a good harvest is probably September. If you wait any later than that and your four o' clock may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your four o' clock indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Salinas. It might get as low as 25°F during the coldest months of winter.

It's important to remember that USDA zone info for Salinas is just an average and the actual date of last frost is different every year. Since half of the time in Salinas it frosts late in the year after February 15 be ready to protect your four o' clock in the event of a surprise late frost.

USDA Zone Info for Salinas

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 Low	25°F
Highest Expected Low	30°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 Salinas

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