The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to figure out when to plant four-o-clock flower by looking at the USDA zone info for Enumclaw.

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.

It's a bad idea to plant four-o-clock flower until after all chance of frost has passed because they require warm weather.

The earliest that you can plant four-o-clock flower in Enumclaw 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. You can get started a couple of weeks earlier by starting your four-o-clock flower indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Enumclaw. You can expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Enumclaw may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Enumclaw there is a last frost after April 15 so just be sure to be ready to protect your four-o-clock flower if you have a late frost.

USDA Zone Info for Enumclaw

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Enumclaw

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