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

In Hammond you can determine when it's the best time to plant hardy hibiscus by referring to the USDA zone info.

Planting Calendar for Hardy Hibiscus

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

Hardy Hibiscus do well in pretty solid cold which means that you can plant them much earlier in the year than more sensitive plants.

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

Last Frost Date

The average date of last frost is April 15 in Hammond. You can expect an average low temperature of -15°F in the coldest months of winter.

Remember that USDA zone info for Hammond is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Hammond you get surprised by a frost after April 15 be ready to cover your hardy hibiscus if you have a late frost.

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.