One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant lisianthus in White Oak should be estimated by referring to the USDA zone info.

Planting Calendar for Lisianthus

Frost tolerance for lisianthus:	Not tolerant of frost.
When to plant:	After the last frost.

You really shouldn't plant lisianthus until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant lisianthus in White Oak is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant lisianthus and expect a good harvest is probably August. Any later than that and your lisianthus may not have a chance to really do well. If you are starting your lisianthus indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in White Oak. It might get as low as 10°F during the coldest months of winter.

It's important to remember that USDA zone info for White Oak is just an average and the actual date of last frost changes from year to year. Half of the time in White Oak you get a frost after March 15 so make sure that you are ready to cover your lisianthus in the event of a late frost.

USDA Zone Info for White Oak

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 White Oak

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