One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of figuring out when it's the best time to plant four o' clock is to examine the USDA zone info for Ballston Spa.

Planting Calendar for Four O' Clock

Frost tolerance for four o' clock:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since four o' clock require warm weather it's important to wait until after the last frost before you can plant them.

The earliest that you can plant four o' clock in Ballston Spa 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. 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 Ballston Spa. In the coldest months of winter you should expect an average low temperature of -20°F.

Remember that USDA zone info for Ballston Spa is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Ballston Spa last frost occurs after April 15 so just be sure to be ready to cover your four o' clock if you have one of those late frosts.

USDA Zone Info for Ballston Spa

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 Ballston Spa

You may be interested in your other planting guides for Ballston Spa.