The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Calistoga you can determine when you can plant nolana by reviewing the USDA zone info.

Planting Calendar for Nolana

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

It's probably not a good idea to plant nolana until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant nolana in Calistoga 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 nolana and expect a good harvest is probably September. If you wait any later than that and your nolana may not have a chance to fully mature. Starting your nolana indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Calistoga. It might get as low as 20°F during the coldest months of winter.

Keep in mind that USDA zone info for Calistoga is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Calistoga it frosts late in the year after February 15 be ready to protect your nolana if you have a surprise late frost.

USDA Zone Info for Calistoga

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 Calistoga

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