When to Plant Basil in Grand Terrace, CA

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

The USDA zone info for Grand Terrace should be reviewed to estimate when it's possible to plant basil.


Planting Calendar for Basil

Frost tolerance for basil: Not tolerant of frost.
When to plant: After the last frost.

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

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant basil
Possibly ok, but a risky time to plant basil
Probably not a good time to plant basil

The earliest that you can plant basil in Grand Terrace 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 basil and expect a good harvest is probably September. You probably don't want to wait any later than that or else your basil may not have a chance to fully mature. If you are starting your basil indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Grand Terrace. You should expect an average low temperature of 25°F in the coldest months of winter.

Keep in mind that USDA zone info for Grand Terrace is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Grand Terrace there is a last frost after February 15 be ready to protect your basil in the event of a surprise late frost.

USDA Zone Info for Grand Terrace

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 Low25°F
Highest Expected Low30°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 Grand Terrace

You may be interested in your other planting guides for Grand Terrace.