One of the best tools that you have as gardeners to help us figure out 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.

A way of determining when it's possible to plant baby's breath is to use the USDA zone info for Napa.

Planting Calendar for Baby's Breath

Frost tolerance for baby's breath:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant baby's breath a little bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant baby's breath in Napa 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 baby's breath and expect a good harvest is probably October. If you wait any later than that and your baby's breath may not have a chance to grow to maturity. If you are starting your baby's breath indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

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

Always keep in mind that USDA zone info for Napa is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Napa it frosts late in the year after February 15 so always be ready to cover your baby's breath in the event of one of those late frosts.

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.