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.

A common way of getting a good idea when it's a good idea to plant evolvulus is to examine the USDA zone info for Saratoga.

Planting Calendar for Evolvulus

Frost tolerance for evolvulus:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since evolvulus require warm weather you must wait until after the last frost before you can plant them.

The earliest that you can plant evolvulus in Saratoga 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 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 couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Saratoga is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Saratoga you get surprised by a frost after February 15 so just be sure to be ready to protect your evolvulus if you have one of those late frosts.

USDA Zone Info for Saratoga

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 Saratoga

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