Before planting it is a good idea to find your USDA Zone info to figure out 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.

The USDA zone info for Columbus should be reviewed to determine when it's possible to plant hamelia.

Planting Calendar for Hamelia

Frost tolerance for hamelia:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since hamelia are not cold tolerant it's necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant hamelia in Columbus is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant hamelia and expect a good harvest is probably August. Any later than that and your hamelia may not have a chance to fully mature. Starting your hamelia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Columbus. You can expect an average low temperature of -15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Columbus is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Columbus there is a last frost after April 15 be ready to cover your hamelia if you have one of those late frosts.

USDA Zone Info for Columbus

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 Columbus

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