Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for San Luis should be reffered to in order to determine when it's possible 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.

You can plant forget-me-not a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant forget-me-not in San Luis 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. If you wait any later than that and your forget-me-not may not have a chance to really do well. Starting your forget-me-not indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In San Luis the average date of last frost happens on January 31. You can expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for San Luis may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in San Luis last frost occurs after January 31 so make sure that you are ready to cover your forget-me-not if you have a late frost.

USDA Zone Info for San Luis

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 San Luis

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