Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant four-o-clock flower in Hollidaysburg can be figured out by using the USDA zone info.

Planting Calendar for Four-o-clock flower

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

Since four-o-clock flower require warm weather you must wait until after the last frost before you can plant them.

The earliest that you can plant four-o-clock flower in Hollidaysburg 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 flower and expect a good harvest is probably August. Any later than that and your four-o-clock flower may not have a chance to grow to maturity. Starting your four-o-clock flower indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Hollidaysburg. It might get as low as -5°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Hollidaysburg is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Hollidaysburg it frosts late in the year after April 15 be ready to cover your four-o-clock flower if you have a surprise late frost.

USDA Zone Info for Hollidaysburg

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Hollidaysburg

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