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.

You will be able to estimate when it's the best time to plant peanut by looking at the USDA zone info for Roseburg.

Planting Calendar for Peanut

Frost tolerance for peanut:	Not tolerant of frost.
When to plant:	After the last frost.

It's not a good idea to plant peanut until after the last frost because they are not cold tolerant.

The earliest that you can plant peanut 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 peanut and expect a good harvest is probably September. If you wait any later than that and your peanut may not have a chance to grow to maturity. If you are starting your peanut indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Roseburg. In the coldest months of winter you can expect an average low temperature of 20°F.

Since the USDA zone info for Roseburg is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Roseburg there is a last frost after February 15 be ready to protect your peanut if you have a surprise 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.