One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Monroe can be read to figure out when to plant lobelia.

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 a lot earlier in the year because they are very cold tolerant.

The earliest that you can plant lobelia in Monroe 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 grow to maturity. You can get started a couple of weeks earlier by starting your lobelia indoors.

Last Frost Date

The average date of last frost is March 15 in Monroe. You should expect an average low temperature of 15°F in the coldest months of winter.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Monroe and it changes from year to year. Half of the time in Monroe you get a frost after March 15 so make sure that you are ready to cover your lobelia if you have a late frost.

USDA Zone Info for Monroe

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Monroe

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