One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. 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 coleus in Roseburg can be estimated by looking at the USDA zone info.

Planting Calendar for Coleus

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

Since coleus are not cold tolerant it's important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant coleus in Roseburg 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 coleus and expect a good harvest is probably September. If you wait any later than that and your coleus may not have a chance to fully mature. Starting your coleus indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on February 15 in Roseburg. You should expect an average low temperature of 20°F in the coldest months of winter.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Roseburg and it will vary from year to year. Half of the time in Roseburg last frost occurs after February 15 so always be ready to cover your coleus if you have a late frost.

USDA Zone Info for Roseburg

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Roseburg

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