The USDA Zone info is a great tool for gardeners to help us determine 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.

It's possible to figure out when it's possible to plant lobelia by checking out the USDA zone info for Clifton.

Planting Calendar for Lobelia

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

Lobelia do well in pretty solid cold which tells us that you can plant them much earlier in the year than other frost tender plants.

The earliest that you can plant lobelia in Clifton 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 fully mature. If you are starting your lobelia indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Clifton. In the coldest months of winter you can expect an average low temperature of 0°F.

Remember that USDA zone info for Clifton is just an average and the actual date of last frost changes from year to year. Half of the time in Clifton it frosts late in the year after April 15 so always be ready to protect your lobelia in the event of a surprise late frost.

USDA Zone Info for Clifton

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Clifton

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