One of the first steps you take when you are getting a good idea 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.

By reviewing the USDA zone info for Port Angeles you will be able to figure out when to plant dipladenia.

Planting Calendar for Dipladenia

Frost tolerance for dipladenia:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since dipladenia do not do well in cold weather it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant dipladenia in Port Angeles 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 dipladenia and expect a good harvest is probably August. If you wait any later than that and your dipladenia may not have a chance to grow to maturity. If you are starting your dipladenia indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on March 15 in Port Angeles. In the coldest months of winter you can expect an average low temperature of 15°F.

Since the USDA zone info for Port Angeles is an average the actual date of last frost will vary from year to year. Half of the time in Port Angeles it frosts late in the year after March 15 so just be sure to be ready to protect your dipladenia in the event of one of those late frosts.

USDA Zone Info for Port Angeles

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 Port Angeles

You may be interested in your other planting guides for Port Angeles.