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

The USDA zone info for Mill Valley can be used to determine when you can plant baby's breath.

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 bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant baby's breath in Mill Valley 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. You probably don't want to wait any later than that or else your baby's breath may not have a chance to really do well. 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

On average the last frost when the weather gets warmer is on January 31 in Mill Valley. You should expect an average low temperature of 30°F in the coldest months of winter.

Always keep in mind that USDA zone info for Mill Valley is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Mill Valley last frost occurs after January 31 be ready to cover your baby's breath if you have a surprise late frost.

USDA Zone Info for Mill Valley

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Mill Valley

You may be interested in your other planting guides for Mill Valley.