The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Webster you can estimate when it's a good idea to plant evolvulus by using the USDA zone info.

Planting Calendar for Evolvulus

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

Since evolvulus are not cold tolerant you really should wait until after the last frost before you can plant them.

The earliest that you can plant evolvulus in Webster 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. You probably don't want to wait any later than that or else your evolvulus may not have a chance to grow to maturity. 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 Webster. You should expect an average low temperature of 20°F in the coldest months of winter.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Webster and it will vary from year to year. Half of the time in Webster there is a last frost after February 15 so make sure that you are prepared to protect your evolvulus if you have one of those late frosts.

USDA Zone Info for Webster

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 Webster

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