One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

By checking out the USDA zone info for Rosemead it's possible to estimate when you can plant shallots.

Planting Calendar for Shallots

Frost tolerance for shallots:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Shallots tend to make it in some cold which means that you can plant them just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant shallots in Rosemead is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant shallots and expect a good harvest is probably September. If you wait any later than that and your shallots may not have a chance to really do well. You can get started a couple of weeks earlier by starting your shallots indoors.

Last Frost Date

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

Since the USDA zone info for Rosemead is just an average the actual date of last frost changes from year to year. Half of the time in Rosemead you get surprised by a frost after January 31 so just be sure to be ready to protect your shallots in the event of one of those late frosts.

USDA Zone Info for Rosemead

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 Rosemead

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