When to Plant Four O' Clock in Fremont, CA

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can figure out when it's possible to plant four o' clock in Fremont by referring to the USDA zone info.


Planting Calendar for Four O' Clock

Frost tolerance for four o' clock: Not tolerant of frost.
When to plant: After the last frost.

It's probably a bad idea to plant four o' clock until after the last frost has passed because they do not do well in cold weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant four o' clock
Possibly ok, but a risky time to plant four o' clock
Probably not a good time to plant four o' clock

The earliest that you can plant four o' clock in Fremont 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 four o' clock and expect a good harvest is probably September. You probably don't want to wait any later than that or else your four o' clock may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your four o' clock indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in Fremont. You can expect an average low temperature of 30°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Fremont is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Fremont there is a last frost after January 31 so always be ready to protect your four o' clock if you have one of those late frosts.

USDA Zone Info for Fremont

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 Low30°F
Highest Expected Low35°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 Fremont

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