One of the first steps you take when you are making a decision about your gardening schedule is find your 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.

The USDA zone info for Plano should be reviewed to figure out 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 all chance of frost has passed.

You should not plant dipladenia until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant dipladenia in Plano 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. You probably don't want to wait any later than that or else your dipladenia may not have a chance to really do well. You can get started a few weeks earlier by starting your dipladenia indoors.

Last Frost Date

The average date of last frost is March 15 in Plano. It might get as low as 10°F during the coldest months of winter.

Keep in mind that USDA zone info for Plano is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Plano you get surprised by a frost after March 15 so make sure that you are prepared to protect your dipladenia if you have a surprise late frost.

USDA Zone Info for Plano

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Plano

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