When to Plant Hamelia in Harvey, IL

One of the first steps you take when you are figuring out 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 a good idea to figure out when it's possible to plant hamelia by checking out the USDA zone info for Harvey.


Planting Calendar for Hamelia

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

You can not plant hamelia until after the last frost when the weather gets warmer because they require warm weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant hamelia
Possibly ok, but a risky time to plant hamelia
Probably not a good time to plant hamelia

The earliest that you can plant hamelia in Harvey 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 grow to maturity. 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

In Harvey the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -15°F.

It's important to remember that USDA zone info for Harvey may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Harvey it frosts late in the year after April 15 so just be sure to be ready to protect your hamelia if you have a late frost.

USDA Zone Info for Harvey

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 Harvey

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