Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to figure out when to plant dipladenia by reviewing the USDA zone info for Ogallala.

Planting Calendar for Dipladenia

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

It's not a good idea to plant dipladenia until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant dipladenia in Ogallala 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. Any later than that and your dipladenia may not have a chance to grow to maturity. Starting your dipladenia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Ogallala the average date of last frost happens on April 15. You can expect an average low temperature of -15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Ogallala is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Ogallala there is a last frost after April 15 be ready to cover your dipladenia if you have one of those late frosts.

USDA Zone Info for Ogallala

Here is the info for USDA Zone 5b.

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

Plants to Grow in Ogallala

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