When to Plant Maltese Cross in San Jose, CA

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

In San Jose you can figure out when you can plant maltese cross 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 are one of those plants that can tolerate a little bit of cold weather which means that you can get them planted earlier than more sensitive plants.

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

The earliest that you can plant maltese cross in San Jose 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 fully mature. Starting your maltese cross indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In San Jose the average date of last frost happens on February 15. It might get as low as 25°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for San Jose and it will vary from year to year. Since half of the time in San Jose there is a last frost after February 15 be ready to cover your maltese cross in the event of a surprise late frost.

USDA Zone Info for San Jose

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 San Jose

You may be interested in your other planting guides for San Jose.