The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant shallots in Zone 9a can be estimated by using the USDA zone info.

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 do ok in moderate cold which tells us that you can get them planted just a bit earlier than other frost tender plants.

The earliest that you can plant shallots in Zone 9a 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 few weeks earlier by starting your shallots indoors.

Last Frost Date

The average date of last frost is February 15 in Zone 9a. You should expect an average low temperature of 20°F in the coldest months of winter.

Keep in mind that USDA zone info for Zone 9a is just an average and the actual date of last frost is different every year. Since half of the time in Zone 9a you get a frost after February 15 be ready to protect your shallots in the event of a surprise late frost.

USDA Zone Info for Zone 9a

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 Zone 9a

You may be interested in your other planting guides for Zone 9a.