One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of getting a good idea when it's the best time to plant myosotis is to check out the USDA zone info for Placentia.

Planting Calendar for Myosotis

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

Myosotis do well in some cold which tells us that you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant myosotis in Placentia 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 myosotis and expect a good harvest is probably October. You probably don't want to wait any later than that or else your myosotis may not have a chance to fully mature. If you are starting your myosotis indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is January 31 in Placentia. You can expect an average low temperature of 30°F in the coldest months of winter.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Placentia and it can change quite a bit from year to year. Since half of the time in Placentia there is a last frost after January 31 be ready to cover your myosotis in the event of a surprise late frost.

USDA Zone Info for Placentia

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 Placentia

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