Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By reviewing the USDA zone info for Suisun City you will be able to figure out when to plant forget-me-not.

Planting Calendar for Forget-Me-Not

Frost tolerance for forget-me-not:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Forget-Me-Not do ok in a little bit of cold which tells us that you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant forget-me-not in Suisun City 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 forget-me-not and expect a good harvest is probably October. Any later than that and your forget-me-not may not have a chance to fully mature. If you are starting your forget-me-not 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 Suisun City. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Suisun City is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Suisun City you get a frost after February 15 be ready to protect your forget-me-not in the event of a late frost.

USDA Zone Info for Suisun City

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 Suisun City

You may be interested in your other planting guides for Suisun City.