One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of getting a good idea when it's a good idea to plant begonias is to refer to the USDA zone info for Wasco.

Planting Calendar for Begonias

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

You really shouldn't plant begonias until after the last frost because they require warm weather.

The earliest that you can plant begonias in Wasco 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 begonias and expect a good harvest is probably September. Any later than that and your begonias may not have a chance to really do well. You can get started a couple of weeks earlier by starting your begonias indoors.

Last Frost Date

In Wasco 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.

Keep in mind that USDA zone info for Wasco may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Wasco there is a last frost after February 15 be ready to protect your begonias if you have a surprise late frost.

USDA Zone Info for Wasco

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 Wasco

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