When to Plant Asparagus lettuce in Wilsonville, OR

One of the first steps you take when you are determining your gardening schedule is find your 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 best time to plant asparagus lettuce in Wilsonville should be determined by referring to the USDA zone info.


Planting Calendar for Asparagus lettuce

Frost tolerance for asparagus lettuce: Not tolerant of frost.
When to plant: After all chance of frost has passed.

Asparagus lettuce do not do well in cold weather which means that you have to wait until it warms up after all chance of frost has passed before you can plant them.

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

The earliest that you can plant asparagus lettuce in Wilsonville 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 asparagus lettuce and expect a good harvest is probably August. If you wait any later than that and your asparagus lettuce may not have a chance to really do well. Starting your asparagus lettuce indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Wilsonville. 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 not always accurate because it is based on the USDA zone info for Wilsonville and it is different every year. Half of the time in Wilsonville it frosts late in the year after March 15 so be sure to be ready to cover your asparagus lettuce if you have a surprise late frost.

USDA Zone Info for Wilsonville

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 Wilsonville

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