Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of figuring out when you can plant parsnip is to consult the USDA zone info for Campbell.

Planting Calendar for Parsnip

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

Since parsnip do well in moderate cold you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant parsnip in Campbell 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. You probably don't want to wait any later than that or else your parsnip may not have a chance to really do well. You can get started a few weeks earlier by starting your parsnip indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Campbell. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Campbell is an average the actual date of last frost will vary from year to year. Since half of the time in Campbell there is a last frost after April 15 be ready to cover your parsnip if you have a late frost.

USDA Zone Info for Campbell

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Campbell

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