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

You can determine when it's a good idea to plant maltese cross in Campbell by looking at the USDA zone info.

Planting Calendar for Maltese Cross

Frost tolerance for maltese cross:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Maltese Cross do well in moderate cold which means that you can plant them earlier than plants that are more sensitive to the cold.

The earliest that you can plant maltese cross in Campbell is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant maltese cross and expect a good harvest is probably October. You probably don't want to wait any later than that or else your maltese cross may not have a chance to really do well. If you are starting your maltese cross indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Campbell. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Campbell is not always accurate the actual date of last frost is different every year. Half of the time in Campbell you get surprised by a frost after February 15 so make sure that you are ready to protect your maltese cross in the event of a surprise late frost.

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.