When to Plant Peanut in Hillsboro, OR

The USDA Zone info is a great tool for gardeners to help us determine 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 earliest that you can plant peanut in Hillsboro can be determined by looking at the USDA zone info.


Planting Calendar for Peanut

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

Peanut are not cold tolerant which tells us that you really should wait until it warms up after the last frost has passed before you can plant them.

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

The earliest that you can plant peanut in Hillsboro is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant peanut and expect a good harvest is probably August. Any later than that and your peanut may not have a chance to fully mature. Starting your peanut indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Hillsboro the average date of last frost happens on March 15. It might get as low as 15°F during the coldest months of winter.

Just be sure to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Hillsboro and it is different every year. Half of the time in Hillsboro you get surprised by a frost after March 15 so make sure that you are ready to protect your peanut if you have a late frost.

USDA Zone Info for Hillsboro

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)March 15
Average Date of First Frost (fall)November 15
Lowest Expected Low15°F
Highest Expected Low20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Hillsboro

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