When to Plant Bidens in Fairview, OR

The USDA Zone info is a great tool for gardeners to help us figure out 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 bidens in Fairview should be figured out by looking at the USDA zone info.

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Planting Calendar for Bidens

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

Since bidens require warm weather it's important to wait until after the last frost when the weather gets warmer before you can plant them.

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

The earliest that you can plant bidens in Fairview 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 bidens and expect a good harvest is probably August. You probably don't want to wait any later than that or else your bidens may not have a chance to fully mature. If you are starting your bidens indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on March 15 in Fairview. It might get as low as 15°F during the coldest months of winter.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Fairview and it can change quite a bit from year to year. Since half of the time in Fairview you get surprised by a frost after March 15 be ready to protect your bidens if you have a late frost.

USDA Zone Info for Fairview

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 Fairview

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