One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By checking out the USDA zone info for San Jose it's a good idea to determine when it's possible to 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.

Baby's Breath do ok in mild cold which tells us that you can plant them just a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant baby's breath in San Jose 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. You can get started a few weeks earlier by starting your baby's breath indoors.

Last Frost Date

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

Since the USDA zone info for San Jose may not be accurate from year to year the actual date of last frost is different every year. Half of the time in San Jose you get a frost after February 15 so make sure that you are ready to protect your baby's breath in the event of a surprise late frost.

USDA Zone Info for San Jose

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 San Jose

You may be interested in your other planting guides for San Jose.