When to Plant Rhubarb in Junction City, OR

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

The USDA zone info for Junction City should be looked at to determine when it's the best time to plant rhubarb.


Planting Calendar for Rhubarb

Frost tolerance for rhubarb: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Rhubarb are moderately cold tolerant which tells us that you can plant them earlier than other plants that might not handle the cold.

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

The earliest that you can plant rhubarb in Junction City 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 rhubarb and expect a good harvest is probably September. Any later than that and your rhubarb may not have a chance to grow to maturity. Starting your rhubarb indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Junction City. It might get as low as 15°F during the coldest months of winter.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Junction City and it is different every year. Half of the time in Junction City it frosts late in the year after March 15 so be sure to be ready to protect your rhubarb if you have a surprise late frost.

USDA Zone Info for Junction City

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 Junction City

You may be interested in your other planting guides for Junction City.