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.

By checking out the USDA zone info for Sidney you should be able to estimate when it's the best time to plant four o' clock.

Planting Calendar for Four O' Clock

Frost tolerance for four o' clock:	Not tolerant of frost.
When to plant:	After the last frost.

Since four o' clock do not do well in cold weather you really should wait until after the last frost has passed before you can plant them.

The earliest that you can plant four o' clock in Sidney is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant four o' clock and expect a good harvest is probably August. If you wait any later than that and your four o' clock may not have a chance to really do well. You can get started a few weeks earlier by starting your four o' clock indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Sidney. In the coldest months of winter you should expect an average low temperature of -20°F.

Since the USDA zone info for Sidney may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Sidney it frosts late in the year after April 15 so make sure that you are ready to protect your four o' clock in the event of a late frost.

USDA Zone Info for Sidney

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°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 -15°F.

Plants to Grow in Sidney

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