One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

You will be able to estimate when you can plant osteospermum by using the USDA zone info for Enumclaw.

Planting Calendar for Osteospermum

Frost tolerance for osteospermum:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since osteospermum do well in moderate cold you can plant them a little earlier in the year than other plants that might not handle the cold.

The earliest that you can plant osteospermum in Enumclaw is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant osteospermum and expect a good harvest is probably September. Any later than that and your osteospermum may not have a chance to really do well. You can get started a little bit earlier by starting your osteospermum indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Enumclaw. In the coldest months of winter you should expect an average low temperature of 5°F.

Just be sure to remember that USDA zone info for Enumclaw is not always accurate and the actual date of last frost is different every year. Half of the time in Enumclaw you get surprised by a frost after April 15 so be sure to be ready to protect your osteospermum if you have a surprise 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.