The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Upland you should be able to determine when you can plant coleus.

Planting Calendar for Coleus

Frost tolerance for coleus:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's a bad idea to plant coleus until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant coleus 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 coleus and expect a good harvest is probably September. You probably don't want to wait any later than that or else your coleus may not have a chance to fully mature. You can get started a few weeks earlier by starting your coleus indoors.

Last Frost Date

The average date of last frost is January 31 in Upland. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for Upland is not always accurate the actual date of last frost is different every year. Half of the time in Upland you get surprised by a frost after January 31 so be sure to be ready to protect your coleus in the event of 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.