One of the first steps you take when you are making a decision about 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.

The USDA zone info for Elgin can be looked at to determine when it's possible to plant four-o-clock flower.

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 are not cold tolerant you have to wait until after the last frost has passed before you can plant them.

The earliest that you can plant four-o-clock flower in Elgin 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. You probably don't want to wait any later than that or else your four-o-clock flower may not have a chance to fully mature. You can get started a few weeks earlier by starting your four-o-clock flower indoors.

Last Frost Date

The average date of last frost is March 15 in Elgin. You can expect an average low temperature of 15°F in the coldest months of winter.

Always keep in mind that USDA zone info for Elgin is not always accurate and the actual date of last frost changes from year to year. Half of the time in Elgin there is a last frost after March 15 so make sure that you are ready to cover your four-o-clock flower in the event of a late frost.

USDA Zone Info for Elgin

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Elgin

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