The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant lobelia in Laurel should be determined 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 a lot earlier in the year than more sensitive plants.

The earliest that you can plant lobelia in Laurel 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 grow to maturity. You can get started a little bit earlier by starting your lobelia indoors.

Last Frost Date

The average date of last frost is April 15 in Laurel. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Laurel may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Laurel there is a last frost after April 15 so be sure to be ready to protect your lobelia if you have a late frost.

USDA Zone Info for Laurel

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 Laurel

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