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 parsnip in Astoria should be determined by reviewing the USDA zone info.

Planting Calendar for Parsnip

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

Parsnip are moderately cold tolerant which tells us that you can start planting them earlier than other frost tender plants.

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

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Astoria. You should expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Astoria is not always accurate the actual date of last frost is different every year. Half of the time in Astoria last frost occurs after March 15 so always be ready to cover your parsnip in the event of one of those late frosts.

USDA Zone Info for Astoria

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 Low	15°F
Highest Expected Low	20°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 Astoria

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