The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant hamelia in Isanti can be estimated 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.

It's probably not a good idea to 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 Isanti is May. However, you really should wait until June 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. Starting your hamelia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Isanti the average date of last frost happens on May 15. You can expect an average low temperature of -30°F in the coldest months of winter.

Since the USDA zone info for Isanti may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Isanti you get surprised by a frost after May 15 so be sure to be ready to cover your hamelia in the event of a late frost.

USDA Zone Info for Isanti

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Isanti

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