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.

A common way of getting a good idea when you can plant painted tongues is to consult the USDA zone info for Upland.

Planting Calendar for Painted Tongues

Frost tolerance for painted tongues:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since painted tongues require warm weather you must wait until after the last frost before you can plant them.

The earliest that you can plant painted tongues 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 painted tongues and expect a good harvest is probably September. If you wait any later than that and your painted tongues may not have a chance to really do well. You can get started a little bit earlier by starting your painted tongues indoors.

Last Frost Date

In Upland the average date of last frost happens on January 31. You should expect an average low temperature of 30°F in the coldest months of winter.

Always keep in mind that USDA zone info for Upland is not always accurate and the actual date of last frost changes from year to year. Half of the time in Upland you get surprised by a frost after January 31 so just be sure to be ready to cover your painted tongues 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 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 Upland

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