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

The USDA zone info for Elmsford should be reviewed to estimate when you can 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 require warm weather it is important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant four-o-clock flower in Elmsford 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. If you wait 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 couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Elmsford. In the coldest months of winter you can expect an average low temperature of 0°F.

Since the USDA zone info for Elmsford may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Elmsford last frost occurs after April 15 be ready to cover your four-o-clock flower in the event of a late frost.

USDA Zone Info for Elmsford

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Elmsford

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