When to Plant Shallots in Upland, CA

The USDA Zone info is a great tool for gardeners to help us estimate 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 first opportunity to plant shallots in Upland can be figured out by looking at 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 are barely cold tolerant.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant shallots
Possibly ok, but a risky time to plant shallots
Probably not a good time to plant shallots

The earliest that you can plant shallots in Upland 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 grow to maturity. You can get started a little bit earlier by starting your shallots indoors.

Last Frost Date

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

Keep in mind that USDA zone info for Upland is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Upland it frosts late in the year after January 31 so always be ready to cover your shallots in the event of a surprise late frost.

USDA Zone Info for Upland

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 Low30°F
Highest Expected Low35°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 Upland

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