When to Plant Garden cress 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 chance to plant garden cress in Upland can be determined by checking out the USDA zone info.


Planting Calendar for Garden cress

Frost tolerance for garden cress: Not tolerant of frost.
When to plant: After all chance of frost has passed.

Garden cress are not cold tolerant which means that you must wait until it warms up after the last frost when the weather gets warmer before you can plant them.

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

The earliest that you can plant garden cress 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 garden cress and expect a good harvest is probably September. If you wait any later than that and your garden cress may not have a chance to really do well. Starting your garden cress indoors is a great way to get them started a few weeks earlier.

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.

Remember that USDA zone info for Upland is just an average and the actual date of last frost is different every year. Since half of the time in Upland you get a frost after January 31 be ready to cover your garden cress if you have one of those late frosts.

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.