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.

By reviewing the USDA zone info for Morro Bay you should be able to estimate when it's a good idea to plant dipladenia.

Planting Calendar for Dipladenia

Frost tolerance for dipladenia:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since dipladenia require warm weather you must wait until after the last frost before you can plant them.

The earliest that you can plant dipladenia in Morro Bay is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant dipladenia and expect a good harvest is probably September. If you wait any later than that and your dipladenia may not have a chance to fully mature. Starting your dipladenia indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Morro Bay. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Morro Bay is not always accurate the actual date of last frost will vary from year to year. Half of the time in Morro Bay you get surprised by a frost after February 15 so make sure that you are ready to cover your dipladenia in the event of a surprise late frost.

USDA Zone Info for Morro Bay

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Morro Bay

You may be interested in your other planting guides for Morro Bay.