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 Collinsville you can determine when it's a good idea to plant hamelia by using the USDA zone info.

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 you must wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant hamelia in Collinsville 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. You probably don't want to wait any later than that or else your hamelia may not have a chance to fully mature. You can get started a little bit earlier by starting your hamelia indoors.

Last Frost Date

The average date of last frost is April 15 in Collinsville. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Collinsville is not always accurate the actual date of last frost is different every year. Half of the time in Collinsville last frost occurs after April 15 so make sure that you are prepared to cover your hamelia if you have a late frost.

USDA Zone Info for Collinsville

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Collinsville

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