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.

You can estimate when you can plant millet in San Juan by reviewing the USDA zone info.

Planting Calendar for Millet

Frost tolerance for millet:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since millet require warm weather it's important to wait until after the last frost before you can plant them.

The earliest that you can plant millet in San Juan is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant millet and expect a good harvest is probably September. Any later than that and your millet may not have a chance to fully mature. Starting your millet indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in San Juan. It might get as low as 25°F during the coldest months of winter.

It's important to remember that USDA zone info for San Juan is not always accurate and the actual date of last frost is different every year. Half of the time in San Juan it frosts late in the year after February 15 so always be ready to cover your millet if you have a surprise 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.