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.

It's a good idea to estimate when it's possible to plant lobelia by using the USDA zone info for Farmington.

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 a lot earlier in the year than other frost tender plants.

The earliest that you can plant lobelia in Farmington 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. Starting your lobelia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Farmington. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Farmington is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Farmington you get surprised by a frost after April 15 so just be sure to be ready to protect your lobelia in the event of one of those late frosts.

USDA Zone Info for Farmington

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Farmington

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