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 lisianthus in Sahuarita should be determined 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 when the weather gets warmer.

You really shouldn't plant lisianthus until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant lisianthus in Sahuarita 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 really do well. You can get started a couple of weeks earlier by starting your lisianthus indoors.

Last Frost Date

In Sahuarita the average date of last frost happens on February 15. You can expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Sahuarita may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Sahuarita last frost occurs after February 15 be ready to cover your lisianthus if you have a late frost.

USDA Zone Info for Sahuarita

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Sahuarita

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