The USDA Zone info is a great tool for gardeners to help us estimate 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 determine when it's a good idea to plant maltese cross in Irvine by reviewing 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.

Since maltese cross do well in moderate cold you can plant them a little bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant maltese cross in Irvine 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. If you wait any later than that and 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 is on January 31 in Irvine. In the coldest months of winter you should expect an average low temperature of 30°F.

Keep in mind that USDA zone info for Irvine is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Irvine you get a frost after January 31 be ready to protect your maltese cross in the event of one of those late frosts.

USDA Zone Info for Irvine

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 Low	30°F
Highest Expected Low	35°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 Irvine

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