The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant lobelia in Lebanon can be figured out by referring to 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 one of those plants that can tolerate quite a bit of cold weather you can plant them a lot earlier in the year than other plants that might not handle the cold.

The earliest that you can plant lobelia in Lebanon 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. If you wait any later than that and your lobelia may not have a chance to grow to maturity. You can get started a little bit earlier by starting your lobelia indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Lebanon. You should expect an average low temperature of -15°F in the coldest months of winter.

Remember that USDA zone info for Lebanon may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Lebanon you get surprised by a frost after April 15 so make sure that you are ready to cover your lobelia in the event of one of those late frosts.

USDA Zone Info for Lebanon

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 Lebanon

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