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.

By reviewing the USDA zone info for Davis it's possible to figure out when you can plant lisianthus.

Planting Calendar for Lisianthus

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

You should not plant lisianthus until after the last frost because they do not do well in cold weather.

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

The last month that you can plant lisianthus and expect a good harvest is probably September. Any later than that and your lisianthus may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your lisianthus indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Davis. You can expect an average low temperature of 25°F in the coldest months of winter.

Remember that USDA zone info for Davis is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Davis it frosts late in the year after February 15 be ready to protect your lisianthus if you have a late frost.

USDA Zone Info for Davis

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Davis

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