Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Hammond you can figure out when it's possible 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 tend to make it in cold weather which tells us that you can plant them a lot earlier in the year than more sensitive plants.

The earliest that you can plant rosemary in Hammond is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant rosemary and expect a good harvest is probably September. You probably don't want to wait any later than that or else your rosemary may not have a chance to really do well. You can get started a couple of weeks earlier by starting your rosemary indoors.

Last Frost Date

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

Since the USDA zone info for Hammond is not always accurate the actual date of last frost is different every year. Since half of the time in Hammond there is a last frost after April 15 be ready to protect your rosemary in the event of one of those late frosts.

USDA Zone Info for Hammond

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Hammond

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