The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of determining when to plant dipladenia is to use the USDA zone info for Blythe.

Planting Calendar for Dipladenia

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

It's probably not a good idea to plant dipladenia until after the last frost because they are not cold tolerant.

The earliest that you can plant dipladenia in Blythe 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. Any later than that and your dipladenia may not have a chance to fully mature. You can get started a little bit earlier by starting your dipladenia indoors.

Last Frost Date

On average the last frost is on February 15 in Blythe. In the coldest months of winter you should expect an average low temperature of 25°F.

Just be sure to remember that USDA zone info for Blythe is just an average and the actual date of last frost is different every year. Since half of the time in Blythe it frosts late in the year after February 15 be ready to cover your dipladenia in the event of one of those late frosts.

USDA Zone Info for Blythe

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 Blythe

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