Before planting it is a good idea to find your USDA Zone info to estimate your garden 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 Carlsbad should be figured out by checking out 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.

You can plant shallots slightly earlier in the year because they do ok in moderate cold.

The earliest that you can plant shallots in Carlsbad 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 shallots and expect a good harvest is probably August. You probably don't want to wait any later than that or else your shallots may not have a chance to really do well. Starting your shallots indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Carlsbad. You should expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Carlsbad is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Carlsbad you get surprised by a frost after March 15 be ready to cover your shallots if you have one of those late frosts.

USDA Zone Info for Carlsbad

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Carlsbad

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