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.

The earliest that you can plant geranium in Campbell can be estimated by looking at the USDA zone info.

Planting Calendar for Geranium

Frost tolerance for geranium:	Not tolerant of frost.
When to plant:	After the last frost has passed.

You really shouldn't plant geranium until after the last frost because they require warm weather.

The earliest that you can plant geranium in Campbell 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 geranium and expect a good harvest is probably September. You probably don't want to wait any later than that or else your geranium may not have a chance to really do well. Starting your geranium indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Campbell. In the coldest months of winter you can expect an average low temperature of 25°F.

It's important to remember that USDA zone info for Campbell may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Campbell last frost occurs after February 15 so just be sure to be ready to cover your geranium if you have one of those late frosts.

USDA Zone Info for Campbell

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 Campbell

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