One of the first steps you take when you are figuring out 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.

The best time to plant myosotis in Grass Valley should be figured out by looking at the USDA zone info.

Planting Calendar for Myosotis

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

You can plant myosotis a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant myosotis in Grass Valley 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 few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Grass Valley. You should expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Grass Valley may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Grass Valley you get a frost after February 15 be ready to cover your myosotis in the event of a late frost.

USDA Zone Info for Grass Valley

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Grass Valley

You may be interested in your other planting guides for Grass Valley.