One of the first steps you take when you are getting a good idea 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.

In Morgan Hill you can estimate when it's a good idea to plant rosemary by checking out the USDA zone info.

Planting Calendar for Rosemary

Frost tolerance for rosemary:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Rosemary do ok in a bit of cold which means that you can plant them a lot earlier in the year than more sensitive plants.

The earliest that you can plant rosemary in Morgan Hill 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 rosemary and expect a good harvest is probably October. Any later than that and your rosemary may not have a chance to really do well. If you are starting your rosemary indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Keep in mind that USDA zone info for Morgan Hill is an average and the actual date of last frost is different every year. Since half of the time in Morgan Hill it frosts late in the year after February 15 be ready to protect your rosemary in the event of one of those late frosts.

USDA Zone Info for Morgan Hill

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 Morgan Hill

You may be interested in your other planting guides for Morgan Hill.