One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's possible to figure out when to plant hamelia by using the USDA zone info for Allentown.

Planting Calendar for Hamelia

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

You should not plant hamelia until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant hamelia in Allentown 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 really do well. Starting your hamelia indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Since the USDA zone info for Allentown is not always accurate the actual date of last frost is different every year. Half of the time in Allentown you get a frost after April 15 so always be ready to protect your hamelia if you have one of those late frosts.

USDA Zone Info for Allentown

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 Allentown

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