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.

The first chance to plant maltese cross in Sunnyvale should be estimated 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 tend to make it in some cold which means that you can plant them a little earlier in the year than other plants that might not handle the cold.

The earliest that you can plant maltese cross in Sunnyvale is February. However, you really should wait until March 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 September. Any later than that and your maltese cross may not have a chance to fully mature. 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 has passed is on March 15 in Sunnyvale. In the coldest months of winter you can expect an average low temperature of 10°F.

Since the USDA zone info for Sunnyvale is an average the actual date of last frost will vary from year to year. Since half of the time in Sunnyvale it frosts late in the year after March 15 be ready to cover your maltese cross in the event of a surprise late frost.

USDA Zone Info for Sunnyvale

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Sunnyvale

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