Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Ozark you can estimate when you can 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.

Since lobelia are very cold tolerant you can plant them earlier in the year than other frost tender plants.

The earliest that you can plant lobelia in Ozark 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. You probably don't want to wait any later than that or else your lobelia may not have a chance to really do well. Starting your lobelia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Ozark. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Ozark is just an average the actual date of last frost is different every year. Since half of the time in Ozark there is a last frost after April 15 be ready to protect your lobelia in the event of a surprise late frost.

USDA Zone Info for Ozark

Here is the info for USDA Zone 6b.

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

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

Plants to Grow in Ozark

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