When to Plant Asparagus in Arlington, WA

One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. 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 Arlington should be used to estimate when to plant asparagus.


Planting Calendar for Asparagus

Frost tolerance for asparagus: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

Since asparagus do well in cold you can plant them a lot earlier in the year than other plants that might not handle the cold.

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

The earliest that you can plant asparagus in Arlington 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 asparagus and expect a good harvest is probably September. Any later than that and your asparagus may not have a chance to fully mature. You can get started a little bit earlier by starting your asparagus indoors.

Last Frost Date

The average date of last frost is March 15 in Arlington. In the coldest months of winter you should expect an average low temperature of 15°F.

Since the USDA zone info for Arlington is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Arlington last frost occurs after March 15 so just be sure to be ready to cover your asparagus if you have a late frost.

USDA Zone Info for Arlington

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 Arlington

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