Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Napa you can figure out when it's a good idea to plant neeps by using the USDA zone info.

Planting Calendar for Neeps

Frost tolerance for neeps:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since neeps require warm weather it is necessary to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant neeps in Napa is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant neeps and expect a good harvest is probably September. If you wait any later than that and your neeps may not have a chance to grow to maturity. You can get started a little bit earlier by starting your neeps indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Napa. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Napa is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Napa you get surprised by a frost after February 15 be ready to cover your neeps if you have a surprise late frost.

USDA Zone Info for Napa

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 Napa

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