One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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.

By referring to the USDA zone info for Safety Harbor it's a good idea to determine when it's possible to plant evolvulus.

Planting Calendar for Evolvulus

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

Evolvulus do not do well in cold weather which means that you must wait until it warms up after the last frost before you can plant them.

The earliest that you can plant evolvulus in Safety Harbor 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 evolvulus and expect a good harvest is probably September. Any later than that and your evolvulus may not have a chance to really do well. Starting your evolvulus indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Safety Harbor the average date of last frost happens on January 31. In the coldest months of winter you can expect an average low temperature of 30°F.

Just be sure to remember that USDA zone info for Safety Harbor is an average and the actual date of last frost will vary from year to year. Half of the time in Safety Harbor there is a last frost after January 31 so make sure that you are ready to cover your evolvulus if you have one of those late frosts.

USDA Zone Info for Safety Harbor

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Safety Harbor

You may be interested in your other planting guides for Safety Harbor.