One of the first steps you take when you are determining 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 La Grange you can determine when it's the best time to plant rosemary by looking at 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.

Since rosemary do well in cold you can plant them a lot earlier in the year than more sensitive plants.

The earliest that you can plant rosemary in La Grange 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. Any later than that and your rosemary may not have a chance to fully mature. 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

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

Since the USDA zone info for La Grange is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in La Grange there is a last frost after April 15 be ready to protect your rosemary if you have one of those late frosts.

USDA Zone Info for La Grange

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 La Grange

You may be interested in your other planting guides for La Grange.