One of the best tools that you have as gardeners to help us determine 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.

In Kirksville you can estimate when it's a good idea to plant lobelia by using the USDA zone info.

Planting Calendar for Lobelia

Frost tolerance for lobelia:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

You can plant lobelia much earlier in the year because they do well in cold.

The earliest that you can plant lobelia in Kirksville is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant lobelia and expect a good harvest is probably September. Any later than that and your lobelia may not have a chance to fully mature. Starting your lobelia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Kirksville. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Kirksville is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Kirksville last frost occurs after April 15 so make sure that you are ready to cover your lobelia if you have one of those late frosts.

USDA Zone Info for Kirksville

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 Kirksville

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