Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Oak Island you can estimate when it's a good idea to plant lobelia by checking out 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.

Lobelia do well in cold which means that you can plant them a quite a bit earlier than more sensitive plants.

The earliest that you can plant lobelia in Oak Island 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 little bit earlier.

Last Frost Date

The average date of last frost is March 15 in Oak Island. In the coldest months of winter you should expect an average low temperature of 10°F.

Since the USDA zone info for Oak Island is just an average the actual date of last frost changes from year to year. Half of the time in Oak Island you get a frost after March 15 so make sure that you are ready to protect your lobelia in the event of a surprise late frost.

USDA Zone Info for Oak Island

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Oak Island

You may be interested in your other planting guides for Oak Island.