One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant parsnip in Henderson can be determined 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.

Parsnip do well in mild cold which tells us that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant parsnip in Henderson 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. Any later than that and your parsnip may not have a chance to really do well. You can get started a couple of weeks earlier by starting your parsnip indoors.

Last Frost Date

In Henderson the average date of last frost happens on February 15. You should expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Henderson is an average the actual date of last frost will vary from year to year. Half of the time in Henderson you get surprised by a frost after February 15 so be sure to be ready to cover your parsnip if you have a surprise late frost.

USDA Zone Info for Henderson

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Henderson

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