One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of determining when it's the best time to plant hamelia is to consult the USDA zone info for Romulus.

Planting Calendar for Hamelia

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

It's probably 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 Romulus 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 fully mature. If you are starting your hamelia indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Romulus. It might get as low as -10°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Romulus may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Romulus last frost occurs after April 15 so always be ready to cover your hamelia in the event of one of those late frosts.

USDA Zone Info for Romulus

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Romulus

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