One of the first steps you take when you are getting a good idea 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.

One way of making a decision about when to plant forget-me-not is to look at the USDA zone info for San Juan.

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.

Since forget-me-not are one of those plants that can tolerate a little bit of cold weather you can plant them just 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 San Juan 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 really do well. You can get started a few weeks earlier by starting your forget-me-not indoors.

Last Frost Date

The average date of last frost is February 15 in San Juan. In the coldest months of winter you can expect an average low temperature of 25°F.

It's important to remember that USDA zone info for San Juan is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in San Juan last frost occurs after February 15 be ready to cover your forget-me-not if you have a late frost.

USDA Zone Info for San Juan

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 San Juan

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