One of the first steps you take when you are making a decision about 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.

In Campbell you can determine when it's the best time to plant parsnip by referring to 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.

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

The earliest that you can plant parsnip in Campbell is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant parsnip and expect a good harvest is probably October. If you wait any later than that and your parsnip may not have a chance to fully mature. You can get started a few weeks earlier by starting your parsnip indoors.

Last Frost Date

The average date of last frost is February 15 in Campbell. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Campbell is not always accurate the actual date of last frost is different every year. Since half of the time in Campbell you get surprised by a frost after February 15 be ready to protect your parsnip in the event of a surprise late frost.

USDA Zone Info for Campbell

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Campbell

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