One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Ridley Park should be used to figure out when you can plant hamelia.

Planting Calendar for Hamelia

Frost tolerance for hamelia:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's a bad idea to plant hamelia until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant hamelia in Ridley Park 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. If you wait any later than that and your hamelia may not have a chance to really do well. You can get started a little bit earlier by starting your hamelia indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Ridley Park. In the coldest months of winter you can expect an average low temperature of 0°F.

Since the USDA zone info for Ridley Park is just an average the actual date of last frost will vary from year to year. Half of the time in Ridley Park you get surprised by a frost after April 15 so always be ready to cover your hamelia if you have a late frost.

USDA Zone Info for Ridley Park

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Ridley Park

You may be interested in your other planting guides for Ridley Park.